Detalii evaluare #36344710

Rezumat problemă

O imprimantă circulară are litere mari ale alfabetului englezesc dispuse circular de la A la Z. Imprimanta are un indicator care inițial este plasat la litera A. Imprimanta tipărește literele în două culori roșu sau albastru. Unele litere se tipăresc cu cerneală roșie, restul cu cerneală albastră. Pentru simplitate le vom numi litere roșii și litere albastre. Fiind date un șir de litere albastre nu neapărat distincte și mulțimea literelor roșii ale imprimantei, să se calculeze:

  • Care este timpul pentru tipărirea la imprimantă circulară a șirului de litere albastre.
  • Să se insereze între oricare două litere albastre aflate pe poziții consecutive câte o literă roșie astfel încât să se obțină timpul minim pentru tipărire și să se afișeze: timpul minim, numărul de șiruri distincte care sunt tipărite cu timp minim, șirul minim lexicografic dintre toate șirurile ce sunt tipărite în acest timp

Detalii

Problema circular1 Operații I/O circular.in/circular.out
Limita timp 1 secunde Limita memorie Total: 128 MB / Stivă 64 MB
Id soluție #36344710 Utilizator Campean Rares (Eraseru)
Fișier circular1.cpp Dimensiune 1.67 KB
Data încărcării 19 Aprilie 2022, 22:08 Scor / rezultat Eroare de compilare

Evaluare


Mesaj compilare

circular1.cpp: In function 'int main()':
circular1.cpp:14:9: error: cannot bind 'std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}' lvalue to 'std::basic_istream<char>&&'
     fin >> c >> a >> r;

         ^
In file included from /usr/include/c++/4.8/sstream:38:0,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/istream:872:5: error:   initializing argument 1 of 'std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&&, _Tp&) [with _CharT = char; _Traits = std::char_traits<char>; _Tp = std::vector<std::basic_string<char> >]'
     operator>>(basic_istream<_CharT, _Traits>&& __is, _Tp& __x)
     ^
circular1.cpp:24:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(i = 0; i < a.size(); i++)

                               ^
circular1.cpp:26:36: error: no match for 'operator-' (operand types are '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' and 'char')
             t += d[aux - 'A'][a[i] - 'A'];

                                    ^
circular1.cpp:26:36: note: candidates are:
In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/4.8/bits/char_traits.h:39,
                 from /usr/include/c++/4.8/ios:40,
                 from /usr/include/c++/4.8/istream:38,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_iterator.h:327:5: note: template<class _Iterator> typename std::reverse_iterator<_Iterator>::difference_type std::operator-(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)
     operator-(const reverse_iterator<_Iterator>& __x,
     ^
/usr/include/c++/4.8/bits/stl_iterator.h:327:5: note:   template argument deduction/substitution failed:
circular1.cpp:26:38: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::reverse_iterator<_Iterator>'
             t += d[aux - 'A'][a[i] - 'A'];

                                      ^
In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/4.8/bits/char_traits.h:39,
                 from /usr/include/c++/4.8/ios:40,
                 from /usr/include/c++/4.8/istream:38,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_iterator.h:379:5: note: template<class _IteratorL, class _IteratorR> decltype ((__y.base() - __x.base())) std::operator-(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)
     operator-(const reverse_iterator<_IteratorL>& __x,
     ^
/usr/include/c++/4.8/bits/stl_iterator.h:379:5: note:   template argument deduction/substitution failed:
circular1.cpp:26:38: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::reverse_iterator<_Iterator>'
             t += d[aux - 'A'][a[i] - 'A'];

                                      ^
In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/4.8/bits/char_traits.h:39,
                 from /usr/include/c++/4.8/ios:40,
                 from /usr/include/c++/4.8/istream:38,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_iterator.h:1104:5: note: template<class _IteratorL, class _IteratorR> decltype ((__x.base() - __y.base())) std::operator-(const std::move_iterator<_Iterator>&, const std::move_iterator<_IteratorR>&)
     operator-(const move_iterator<_IteratorL>& __x,
     ^
/usr/include/c++/4.8/bits/stl_iterator.h:1104:5: note:   template argument deduction/substitution failed:
circular1.cpp:26:38: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::move_iterator<_Iterator>'
             t += d[aux - 'A'][a[i] - 'A'];

                                      ^
In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/4.8/bits/char_traits.h:39,
                 from /usr/include/c++/4.8/ios:40,
                 from /usr/include/c++/4.8/istream:38,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_iterator.h:1111:5: note: template<class _Iterator> decltype ((__x.base() - __y.base())) std::operator-(const std::move_iterator<_Iterator>&, const std::move_iterator<_Iterator>&)
     operator-(const move_iterator<_Iterator>& __x,
     ^
/usr/include/c++/4.8/bits/stl_iterator.h:1111:5: note:   template argument deduction/substitution failed:
circular1.cpp:26:38: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::move_iterator<_Iterator>'
             t += d[aux - 'A'][a[i] - 'A'];

                                      ^
In file included from /usr/include/c++/4.8/ccomplex:38:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/complex:354:5: note: template<class _Tp> std::complex<_Tp> std::operator-(const std::complex<_Tp>&, const std::complex<_Tp>&)
     operator-(const complex<_Tp>& __x, const complex<_Tp>& __y)
     ^
/usr/include/c++/4.8/complex:354:5: note:   template argument deduction/substitution failed:
circular1.cpp:26:38: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::complex<_Tp>'
             t += d[aux - 'A'][a[i] - 'A'];

                                      ^
In file included from /usr/include/c++/4.8/ccomplex:38:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/complex:363:5: note: template<class _Tp> std::complex<_Tp> std::operator-(const std::complex<_Tp>&, const _Tp&)
     operator-(const complex<_Tp>& __x, const _Tp& __y)
     ^
/usr/include/c++/4.8/complex:363:5: note:   template argument deduction/substitution failed:
circular1.cpp:26:38: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::complex<_Tp>'
             t += d[aux - 'A'][a[i] - 'A'];

                                      ^
In file included from /usr/include/c++/4.8/ccomplex:38:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/complex:372:5: note: template<class _Tp> std::complex<_Tp> std::operator-(const _Tp&, const std::complex<_Tp>&)
     operator-(const _Tp& __x, const complex<_Tp>& __y)
     ^
/usr/include/c++/4.8/complex:372:5: note:   template argument deduction/substitution failed:
circular1.cpp:26:38: note:   mismatched types 'const std::complex<_Tp>' and 'char'
             t += d[aux - 'A'][a[i] - 'A'];

                                      ^
In file included from /usr/include/c++/4.8/ccomplex:38:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/complex:449:5: note: template<class _Tp> std::complex<_Tp> std::operator-(const std::complex<_Tp>&)
     operator-(const complex<_Tp>& __x)
     ^
/usr/include/c++/4.8/complex:449:5: note:   template argument deduction/substitution failed:
circular1.cpp:26:38: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::complex<_Tp>'
             t += d[aux - 'A'][a[i] - 'A'];

                                      ^
In file included from /usr/include/c++/4.8/vector:65:0,
                 from /usr/include/c++/4.8/bits/random.h:34,
                 from /usr/include/c++/4.8/random:50,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_bvector.h:208:3: note: std::ptrdiff_t std::operator-(const std::_Bit_iterator_base&, const std::_Bit_iterator_base&)
   operator-(const _Bit_iterator_base& __x, const _Bit_iterator_base& __y)
   ^
/usr/include/c++/4.8/bits/stl_bvector.h:208:3: note:   no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' to 'const std::_Bit_iterator_base&'
In file included from /usr/include/c++/4.8/deque:64:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:67,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_deque.h:331:5: note: template<class _Tp, class _Ref, class _Ptr> typename std::_Deque_iterator<_Tp, _Ref, _Ptr>::difference_type std::operator-(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _Ref, _Ptr>&)
     operator-(const _Deque_iterator<_Tp, _Ref, _Ptr>& __x,
     ^
/usr/include/c++/4.8/bits/stl_deque.h:331:5: note:   template argument deduction/substitution failed:
circular1.cpp:26:38: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::_Deque_iterator<_Tp, _Ref, _Ptr>'
             t += d[aux - 'A'][a[i] - 'A'];

                                      ^
In file included from /usr/include/c++/4.8/deque:64:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:67,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_deque.h:343:5: note: template<class _Tp, class _RefL, class _PtrL, class _RefR, class _PtrR> typename std::_Deque_iterator<_Tp, _Ref, _Ptr>::difference_type std::operator-(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _RefR, _PtrR>&)
     operator-(const _Deque_iterator<_Tp, _RefL, _PtrL>& __x,
     ^
/usr/include/c++/4.8/bits/stl_deque.h:343:5: note:   template argument deduction/substitution failed:
circular1.cpp:26:38: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::_Deque_iterator<_Tp, _Ref, _Ptr>'
             t += d[aux - 'A'][a[i] - 'A'];

                                      ^
In file included from /usr/include/c++/4.8/valarray:587:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:94,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note: template<class _Dom1, class _Dom2> std::_Expr<std::_BinClos<std::__minus, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)
     _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
     ^
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note:   template argument deduction/substitution failed:
circular1.cpp:26:38: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
             t += d[aux - 'A'][a[i] - 'A'];

                                      ^
In file included from /usr/include/c++/4.8/valarray:587:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:94,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note: template<class _Dom> std::_Expr<std::_BinClos<std::__minus, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)
     _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
     ^
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note:   template argument deduction/substitution failed:
circular1.cpp:26:38: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
             t += d[aux - 'A'][a[i] - 'A'];

                                      ^
In file included from /usr/include/c++/4.8/valarray:587:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:94,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note: template<class _Dom> std::_Expr<std::_BinClos<std::__minus, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)
     _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
     ^
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note:   template argument deduction/substitution failed:
circular1.cpp:26:38: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'char'
             t += d[aux - 'A'][a[i] - 'A'];

                                      ^
In file included from /usr/include/c++/4.8/valarray:587:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:94,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note: template<class _Dom> std::_Expr<std::_BinClos<std::__minus, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray<typename _Dom::value_type>&)
     _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
     ^
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note:   template argument deduction/substitution failed:
circular1.cpp:26:38: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
             t += d[aux - 'A'][a[i] - 'A'];

                                      ^
In file included from /usr/include/c++/4.8/valarray:587:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:94,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note: template<class _Dom> std::_Expr<std::_BinClos<std::__minus, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::valarray<typename _Dom::value_type>&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)
     _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
     ^
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note:   template argument deduction/substitution failed:
circular1.cpp:26:38: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::valarray<typename _Dom::value_type>'
             t += d[aux - 'A'][a[i] - 'A'];

                                      ^
In file included from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:94:0,
                 from circular1.cpp:1:
/usr/include/c++/4.8/valarray:1168:1: note: template<class _Tp> std::_Expr<std::_BinClos<std::__minus, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const std::valarray<_Tp>&, const std::valarray<_Tp>&)
 _DEFINE_BINARY_OPERATOR(-, __minus)
 ^
/usr/include/c++/4.8/valarray:1168:1: note:   template argument deduction/substitution failed:
circular1.cpp:26:38: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::valarray<_Tp>'
             t += d[aux - 'A'][a[i] - 'A'];

                                      ^
In file included from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:94:0,
                 from circular1.cpp:1:
/usr/include/c++/4.8/valarray:1168:1: note: template<class _Tp> std::_Expr<std::_BinClos<std::__minus, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const std::valarray<_Tp>&, const _Tp&)
 _DEFINE_BINARY_OPERATOR(-, __minus)
 ^
/usr/include/c++/4.8/valarray:1168:1: note:   template argument deduction/substitution failed:
circular1.cpp:26:38: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::valarray<_Tp>'
             t += d[aux - 'A'][a[i] - 'A'];

                                      ^
In file included from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:94:0,
                 from circular1.cpp:1:
/usr/include/c++/4.8/valarray:1168:1: note: template<class _Tp> std::_Expr<std::_BinClos<std::__minus, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const _Tp&, const std::valarray<_Tp>&)
 _DEFINE_BINARY_OPERATOR(-, __minus)
 ^
/usr/include/c++/4.8/valarray:1168:1: note:   template argument deduction/substitution failed:
circular1.cpp:26:38: note:   mismatched types 'const std::valarray<_Tp>' and 'char'
             t += d[aux - 'A'][a[i] - 'A'];

                                      ^
In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/4.8/bits/char_traits.h:39,
                 from /usr/include/c++/4.8/ios:40,
                 from /usr/include/c++/4.8/istream:38,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_iterator.h:896:5: note: template<class _Iterator, class _Container> typename __gnu_cxx::__normal_iterator<_Iterator, _Container>::difference_type __gnu_cxx::operator-(const __gnu_cxx::__normal_iterator<_Iterator, _Container>&, const __gnu_cxx::__normal_iterator<_Iterator, _Container>&)
     operator-(const __normal_iterator<_Iterator, _Container>& __lhs,
     ^
/usr/include/c++/4.8/bits/stl_iterator.h:896:5: note:   template argument deduction/substitution failed:
circular1.cpp:26:38: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const __gnu_cxx::__normal_iterator<_Iterator, _Container>'
             t += d[aux - 'A'][a[i] - 'A'];

                                      ^
In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/4.8/bits/char_traits.h:39,
                 from /usr/include/c++/4.8/ios:40,
                 from /usr/include/c++/4.8/istream:38,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_iterator.h:884:5: note: template<class _IteratorL, class _IteratorR, class _Container> decltype ((__lhs.base() - __rhs.base())) __gnu_cxx::operator-(const __gnu_cxx::__normal_iterator<_IteratorL, _Container>&, const __gnu_cxx::__normal_iterator<_IteratorR, _Container>&)
     operator-(const __normal_iterator<_IteratorL, _Container>& __lhs,
     ^
/usr/include/c++/4.8/bits/stl_iterator.h:884:5: note:   template argument deduction/substitution failed:
circular1.cpp:26:38: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const __gnu_cxx::__normal_iterator<_IteratorL, _Container>'
             t += d[aux - 'A'][a[i] - 'A'];

                                      ^
circular1.cpp:27:17: error: cannot convert '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' to 'int' in assignment
             aux = a[i];

                 ^
circular1.cpp:33:23: error: no match for 'operator-' (operand types are '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' and 'char')
         tim += d[a[0] - 'A'][0];

                       ^
circular1.cpp:33:23: note: candidates are:
In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/4.8/bits/char_traits.h:39,
                 from /usr/include/c++/4.8/ios:40,
                 from /usr/include/c++/4.8/istream:38,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_iterator.h:327:5: note: template<class _Iterator> typename std::reverse_iterator<_Iterator>::difference_type std::operator-(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)
     operator-(const reverse_iterator<_Iterator>& __x,
     ^
/usr/include/c++/4.8/bits/stl_iterator.h:327:5: note:   template argument deduction/substitution failed:
circular1.cpp:33:25: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::reverse_iterator<_Iterator>'
         tim += d[a[0] - 'A'][0];

                         ^
In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/4.8/bits/char_traits.h:39,
                 from /usr/include/c++/4.8/ios:40,
                 from /usr/include/c++/4.8/istream:38,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_iterator.h:379:5: note: template<class _IteratorL, class _IteratorR> decltype ((__y.base() - __x.base())) std::operator-(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)
     operator-(const reverse_iterator<_IteratorL>& __x,
     ^
/usr/include/c++/4.8/bits/stl_iterator.h:379:5: note:   template argument deduction/substitution failed:
circular1.cpp:33:25: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::reverse_iterator<_Iterator>'
         tim += d[a[0] - 'A'][0];

                         ^
In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/4.8/bits/char_traits.h:39,
                 from /usr/include/c++/4.8/ios:40,
                 from /usr/include/c++/4.8/istream:38,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_iterator.h:1104:5: note: template<class _IteratorL, class _IteratorR> decltype ((__x.base() - __y.base())) std::operator-(const std::move_iterator<_Iterator>&, const std::move_iterator<_IteratorR>&)
     operator-(const move_iterator<_IteratorL>& __x,
     ^
/usr/include/c++/4.8/bits/stl_iterator.h:1104:5: note:   template argument deduction/substitution failed:
circular1.cpp:33:25: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::move_iterator<_Iterator>'
         tim += d[a[0] - 'A'][0];

                         ^
In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/4.8/bits/char_traits.h:39,
                 from /usr/include/c++/4.8/ios:40,
                 from /usr/include/c++/4.8/istream:38,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_iterator.h:1111:5: note: template<class _Iterator> decltype ((__x.base() - __y.base())) std::operator-(const std::move_iterator<_Iterator>&, const std::move_iterator<_Iterator>&)
     operator-(const move_iterator<_Iterator>& __x,
     ^
/usr/include/c++/4.8/bits/stl_iterator.h:1111:5: note:   template argument deduction/substitution failed:
circular1.cpp:33:25: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::move_iterator<_Iterator>'
         tim += d[a[0] - 'A'][0];

                         ^
In file included from /usr/include/c++/4.8/ccomplex:38:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/complex:354:5: note: template<class _Tp> std::complex<_Tp> std::operator-(const std::complex<_Tp>&, const std::complex<_Tp>&)
     operator-(const complex<_Tp>& __x, const complex<_Tp>& __y)
     ^
/usr/include/c++/4.8/complex:354:5: note:   template argument deduction/substitution failed:
circular1.cpp:33:25: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::complex<_Tp>'
         tim += d[a[0] - 'A'][0];

                         ^
In file included from /usr/include/c++/4.8/ccomplex:38:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/complex:363:5: note: template<class _Tp> std::complex<_Tp> std::operator-(const std::complex<_Tp>&, const _Tp&)
     operator-(const complex<_Tp>& __x, const _Tp& __y)
     ^
/usr/include/c++/4.8/complex:363:5: note:   template argument deduction/substitution failed:
circular1.cpp:33:25: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::complex<_Tp>'
         tim += d[a[0] - 'A'][0];

                         ^
In file included from /usr/include/c++/4.8/ccomplex:38:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/complex:372:5: note: template<class _Tp> std::complex<_Tp> std::operator-(const _Tp&, const std::complex<_Tp>&)
     operator-(const _Tp& __x, const complex<_Tp>& __y)
     ^
/usr/include/c++/4.8/complex:372:5: note:   template argument deduction/substitution failed:
circular1.cpp:33:25: note:   mismatched types 'const std::complex<_Tp>' and 'char'
         tim += d[a[0] - 'A'][0];

                         ^
In file included from /usr/include/c++/4.8/ccomplex:38:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/complex:449:5: note: template<class _Tp> std::complex<_Tp> std::operator-(const std::complex<_Tp>&)
     operator-(const complex<_Tp>& __x)
     ^
/usr/include/c++/4.8/complex:449:5: note:   template argument deduction/substitution failed:
circular1.cpp:33:25: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::complex<_Tp>'
         tim += d[a[0] - 'A'][0];

                         ^
In file included from /usr/include/c++/4.8/vector:65:0,
                 from /usr/include/c++/4.8/bits/random.h:34,
                 from /usr/include/c++/4.8/random:50,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_bvector.h:208:3: note: std::ptrdiff_t std::operator-(const std::_Bit_iterator_base&, const std::_Bit_iterator_base&)
   operator-(const _Bit_iterator_base& __x, const _Bit_iterator_base& __y)
   ^
/usr/include/c++/4.8/bits/stl_bvector.h:208:3: note:   no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' to 'const std::_Bit_iterator_base&'
In file included from /usr/include/c++/4.8/deque:64:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:67,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_deque.h:331:5: note: template<class _Tp, class _Ref, class _Ptr> typename std::_Deque_iterator<_Tp, _Ref, _Ptr>::difference_type std::operator-(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _Ref, _Ptr>&)
     operator-(const _Deque_iterator<_Tp, _Ref, _Ptr>& __x,
     ^
/usr/include/c++/4.8/bits/stl_deque.h:331:5: note:   template argument deduction/substitution failed:
circular1.cpp:33:25: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::_Deque_iterator<_Tp, _Ref, _Ptr>'
         tim += d[a[0] - 'A'][0];

                         ^
In file included from /usr/include/c++/4.8/deque:64:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:67,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_deque.h:343:5: note: template<class _Tp, class _RefL, class _PtrL, class _RefR, class _PtrR> typename std::_Deque_iterator<_Tp, _Ref, _Ptr>::difference_type std::operator-(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _RefR, _PtrR>&)
     operator-(const _Deque_iterator<_Tp, _RefL, _PtrL>& __x,
     ^
/usr/include/c++/4.8/bits/stl_deque.h:343:5: note:   template argument deduction/substitution failed:
circular1.cpp:33:25: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::_Deque_iterator<_Tp, _Ref, _Ptr>'
         tim += d[a[0] - 'A'][0];

                         ^
In file included from /usr/include/c++/4.8/valarray:587:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:94,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note: template<class _Dom1, class _Dom2> std::_Expr<std::_BinClos<std::__minus, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)
     _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
     ^
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note:   template argument deduction/substitution failed:
circular1.cpp:33:25: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
         tim += d[a[0] - 'A'][0];

                         ^
In file included from /usr/include/c++/4.8/valarray:587:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:94,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note: template<class _Dom> std::_Expr<std::_BinClos<std::__minus, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)
     _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
     ^
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note:   template argument deduction/substitution failed:
circular1.cpp:33:25: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
         tim += d[a[0] - 'A'][0];

                         ^
In file included from /usr/include/c++/4.8/valarray:587:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:94,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note: template<class _Dom> std::_Expr<std::_BinClos<std::__minus, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)
     _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
     ^
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note:   template argument deduction/substitution failed:
circular1.cpp:33:25: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'char'
         tim += d[a[0] - 'A'][0];

                         ^
In file included from /usr/include/c++/4.8/valarray:587:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:94,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note: template<class _Dom> std::_Expr<std::_BinClos<std::__minus, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray<typename _Dom::value_type>&)
     _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
     ^
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note:   template argument deduction/substitution failed:
circular1.cpp:33:25: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
         tim += d[a[0] - 'A'][0];

                         ^
In file included from /usr/include/c++/4.8/valarray:587:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:94,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note: template<class _Dom> std::_Expr<std::_BinClos<std::__minus, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::valarray<typename _Dom::value_type>&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)
     _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
     ^
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note:   template argument deduction/substitution failed:
circular1.cpp:33:25: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::valarray<typename _Dom::value_type>'
         tim += d[a[0] - 'A'][0];

                         ^
In file included from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:94:0,
                 from circular1.cpp:1:
/usr/include/c++/4.8/valarray:1168:1: note: template<class _Tp> std::_Expr<std::_BinClos<std::__minus, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const std::valarray<_Tp>&, const std::valarray<_Tp>&)
 _DEFINE_BINARY_OPERATOR(-, __minus)
 ^
/usr/include/c++/4.8/valarray:1168:1: note:   template argument deduction/substitution failed:
circular1.cpp:33:25: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::valarray<_Tp>'
         tim += d[a[0] - 'A'][0];

                         ^
In file included from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:94:0,
                 from circular1.cpp:1:
/usr/include/c++/4.8/valarray:1168:1: note: template<class _Tp> std::_Expr<std::_BinClos<std::__minus, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const std::valarray<_Tp>&, const _Tp&)
 _DEFINE_BINARY_OPERATOR(-, __minus)
 ^
/usr/include/c++/4.8/valarray:1168:1: note:   template argument deduction/substitution failed:
circular1.cpp:33:25: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::valarray<_Tp>'
         tim += d[a[0] - 'A'][0];

                         ^
In file included from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:94:0,
                 from circular1.cpp:1:
/usr/include/c++/4.8/valarray:1168:1: note: template<class _Tp> std::_Expr<std::_BinClos<std::__minus, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const _Tp&, const std::valarray<_Tp>&)
 _DEFINE_BINARY_OPERATOR(-, __minus)
 ^
/usr/include/c++/4.8/valarray:1168:1: note:   template argument deduction/substitution failed:
circular1.cpp:33:25: note:   mismatched types 'const std::valarray<_Tp>' and 'char'
         tim += d[a[0] - 'A'][0];

                         ^
In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/4.8/bits/char_traits.h:39,
                 from /usr/include/c++/4.8/ios:40,
                 from /usr/include/c++/4.8/istream:38,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_iterator.h:896:5: note: template<class _Iterator, class _Container> typename __gnu_cxx::__normal_iterator<_Iterator, _Container>::difference_type __gnu_cxx::operator-(const __gnu_cxx::__normal_iterator<_Iterator, _Container>&, const __gnu_cxx::__normal_iterator<_Iterator, _Container>&)
     operator-(const __normal_iterator<_Iterator, _Container>& __lhs,
     ^
/usr/include/c++/4.8/bits/stl_iterator.h:896:5: note:   template argument deduction/substitution failed:
circular1.cpp:33:25: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const __gnu_cxx::__normal_iterator<_Iterator, _Container>'
         tim += d[a[0] - 'A'][0];

                         ^
In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/4.8/bits/char_traits.h:39,
                 from /usr/include/c++/4.8/ios:40,
                 from /usr/include/c++/4.8/istream:38,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_iterator.h:884:5: note: template<class _IteratorL, class _IteratorR, class _Container> decltype ((__lhs.base() - __rhs.base())) __gnu_cxx::operator-(const __gnu_cxx::__normal_iterator<_IteratorL, _Container>&, const __gnu_cxx::__normal_iterator<_IteratorR, _Container>&)
     operator-(const __normal_iterator<_IteratorL, _Container>& __lhs,
     ^
/usr/include/c++/4.8/bits/stl_iterator.h:884:5: note:   template argument deduction/substitution failed:
circular1.cpp:33:25: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const __gnu_cxx::__normal_iterator<_IteratorL, _Container>'
         tim += d[a[0] - 'A'][0];

                         ^
circular1.cpp:34:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(i = 0; i < a.size() - 1; i += 2)

                                   ^
circular1.cpp:38:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(j = 0; j < strlen(r); j++)

                                    ^
circular1.cpp:40:29: error: no match for 'operator-' (operand types are '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' and 'char')
                 d1 = d[a[i] - 'A'][r[j] - 'A'];

                             ^
circular1.cpp:40:29: note: candidates are:
In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/4.8/bits/char_traits.h:39,
                 from /usr/include/c++/4.8/ios:40,
                 from /usr/include/c++/4.8/istream:38,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_iterator.h:327:5: note: template<class _Iterator> typename std::reverse_iterator<_Iterator>::difference_type std::operator-(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)
     operator-(const reverse_iterator<_Iterator>& __x,
     ^
/usr/include/c++/4.8/bits/stl_iterator.h:327:5: note:   template argument deduction/substitution failed:
circular1.cpp:40:31: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::reverse_iterator<_Iterator>'
                 d1 = d[a[i] - 'A'][r[j] - 'A'];

                               ^
In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/4.8/bits/char_traits.h:39,
                 from /usr/include/c++/4.8/ios:40,
                 from /usr/include/c++/4.8/istream:38,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_iterator.h:379:5: note: template<class _IteratorL, class _IteratorR> decltype ((__y.base() - __x.base())) std::operator-(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)
     operator-(const reverse_iterator<_IteratorL>& __x,
     ^
/usr/include/c++/4.8/bits/stl_iterator.h:379:5: note:   template argument deduction/substitution failed:
circular1.cpp:40:31: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::reverse_iterator<_Iterator>'
                 d1 = d[a[i] - 'A'][r[j] - 'A'];

                               ^
In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/4.8/bits/char_traits.h:39,
                 from /usr/include/c++/4.8/ios:40,
                 from /usr/include/c++/4.8/istream:38,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_iterator.h:1104:5: note: template<class _IteratorL, class _IteratorR> decltype ((__x.base() - __y.base())) std::operator-(const std::move_iterator<_Iterator>&, const std::move_iterator<_IteratorR>&)
     operator-(const move_iterator<_IteratorL>& __x,
     ^
/usr/include/c++/4.8/bits/stl_iterator.h:1104:5: note:   template argument deduction/substitution failed:
circular1.cpp:40:31: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::move_iterator<_Iterator>'
                 d1 = d[a[i] - 'A'][r[j] - 'A'];

                               ^
In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/4.8/bits/char_traits.h:39,
                 from /usr/include/c++/4.8/ios:40,
                 from /usr/include/c++/4.8/istream:38,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_iterator.h:1111:5: note: template<class _Iterator> decltype ((__x.base() - __y.base())) std::operator-(const std::move_iterator<_Iterator>&, const std::move_iterator<_Iterator>&)
     operator-(const move_iterator<_Iterator>& __x,
     ^
/usr/include/c++/4.8/bits/stl_iterator.h:1111:5: note:   template argument deduction/substitution failed:
circular1.cpp:40:31: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::move_iterator<_Iterator>'
                 d1 = d[a[i] - 'A'][r[j] - 'A'];

                               ^
In file included from /usr/include/c++/4.8/ccomplex:38:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/complex:354:5: note: template<class _Tp> std::complex<_Tp> std::operator-(const std::complex<_Tp>&, const std::complex<_Tp>&)
     operator-(const complex<_Tp>& __x, const complex<_Tp>& __y)
     ^
/usr/include/c++/4.8/complex:354:5: note:   template argument deduction/substitution failed:
circular1.cpp:40:31: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::complex<_Tp>'
                 d1 = d[a[i] - 'A'][r[j] - 'A'];

                               ^
In file included from /usr/include/c++/4.8/ccomplex:38:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/complex:363:5: note: template<class _Tp> std::complex<_Tp> std::operator-(const std::complex<_Tp>&, const _Tp&)
     operator-(const complex<_Tp>& __x, const _Tp& __y)
     ^
/usr/include/c++/4.8/complex:363:5: note:   template argument deduction/substitution failed:
circular1.cpp:40:31: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::complex<_Tp>'
                 d1 = d[a[i] - 'A'][r[j] - 'A'];

                               ^
In file included from /usr/include/c++/4.8/ccomplex:38:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/complex:372:5: note: template<class _Tp> std::complex<_Tp> std::operator-(const _Tp&, const std::complex<_Tp>&)
     operator-(const _Tp& __x, const complex<_Tp>& __y)
     ^
/usr/include/c++/4.8/complex:372:5: note:   template argument deduction/substitution failed:
circular1.cpp:40:31: note:   mismatched types 'const std::complex<_Tp>' and 'char'
                 d1 = d[a[i] - 'A'][r[j] - 'A'];

                               ^
In file included from /usr/include/c++/4.8/ccomplex:38:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/complex:449:5: note: template<class _Tp> std::complex<_Tp> std::operator-(const std::complex<_Tp>&)
     operator-(const complex<_Tp>& __x)
     ^
/usr/include/c++/4.8/complex:449:5: note:   template argument deduction/substitution failed:
circular1.cpp:40:31: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::complex<_Tp>'
                 d1 = d[a[i] - 'A'][r[j] - 'A'];

                               ^
In file included from /usr/include/c++/4.8/vector:65:0,
                 from /usr/include/c++/4.8/bits/random.h:34,
                 from /usr/include/c++/4.8/random:50,
                 from /usr/include/c++/4.8/bits/stl_algo.h:65,
                 from /usr/include/c++/4.8/algorithm:62,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_bvector.h:208:3: note: std::ptrdiff_t std::operator-(const std::_Bit_iterator_base&, const std::_Bit_iterator_base&)
   operator-(const _Bit_iterator_base& __x, const _Bit_iterator_base& __y)
   ^
/usr/include/c++/4.8/bits/stl_bvector.h:208:3: note:   no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' to 'const std::_Bit_iterator_base&'
In file included from /usr/include/c++/4.8/deque:64:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:67,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_deque.h:331:5: note: template<class _Tp, class _Ref, class _Ptr> typename std::_Deque_iterator<_Tp, _Ref, _Ptr>::difference_type std::operator-(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _Ref, _Ptr>&)
     operator-(const _Deque_iterator<_Tp, _Ref, _Ptr>& __x,
     ^
/usr/include/c++/4.8/bits/stl_deque.h:331:5: note:   template argument deduction/substitution failed:
circular1.cpp:40:31: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::_Deque_iterator<_Tp, _Ref, _Ptr>'
                 d1 = d[a[i] - 'A'][r[j] - 'A'];

                               ^
In file included from /usr/include/c++/4.8/deque:64:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:67,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_deque.h:343:5: note: template<class _Tp, class _RefL, class _PtrL, class _RefR, class _PtrR> typename std::_Deque_iterator<_Tp, _Ref, _Ptr>::difference_type std::operator-(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _RefR, _PtrR>&)
     operator-(const _Deque_iterator<_Tp, _RefL, _PtrL>& __x,
     ^
/usr/include/c++/4.8/bits/stl_deque.h:343:5: note:   template argument deduction/substitution failed:
circular1.cpp:40:31: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::_Deque_iterator<_Tp, _Ref, _Ptr>'
                 d1 = d[a[i] - 'A'][r[j] - 'A'];

                               ^
In file included from /usr/include/c++/4.8/valarray:587:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:94,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note: template<class _Dom1, class _Dom2> std::_Expr<std::_BinClos<std::__minus, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)
     _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
     ^
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note:   template argument deduction/substitution failed:
circular1.cpp:40:31: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
                 d1 = d[a[i] - 'A'][r[j] - 'A'];

                               ^
In file included from /usr/include/c++/4.8/valarray:587:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:94,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note: template<class _Dom> std::_Expr<std::_BinClos<std::__minus, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)
     _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
     ^
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note:   template argument deduction/substitution failed:
circular1.cpp:40:31: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
                 d1 = d[a[i] - 'A'][r[j] - 'A'];

                               ^
In file included from /usr/include/c++/4.8/valarray:587:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:94,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note: template<class _Dom> std::_Expr<std::_BinClos<std::__minus, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)
     _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
     ^
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note:   template argument deduction/substitution failed:
circular1.cpp:40:31: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'char'
                 d1 = d[a[i] - 'A'][r[j] - 'A'];

                               ^
In file included from /usr/include/c++/4.8/valarray:587:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:94,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note: template<class _Dom> std::_Expr<std::_BinClos<std::__minus, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray<typename _Dom::value_type>&)
     _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
     ^
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note:   template argument deduction/substitution failed:
circular1.cpp:40:31: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
                 d1 = d[a[i] - 'A'][r[j] - 'A'];

                               ^
In file included from /usr/include/c++/4.8/valarray:587:0,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:94,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note: template<class _Dom> std::_Expr<std::_BinClos<std::__minus, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::valarray<typename _Dom::value_type>&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)
     _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
     ^
/usr/include/c++/4.8/bits/valarray_after.h:403:5: note:   template argument deduction/substitution failed:
circular1.cpp:40:31: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::valarray<typename _Dom::value_type>'
                 d1 = d[a[i] - 'A'][r[j] - 'A'];

                               ^
In file included from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:94:0,
                 from circular1.cpp:1:
/usr/include/c++/4.8/valarray:1168:1: note: template<class _Tp> std::_Expr<std::_BinClos<std::__minus, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const std::valarray<_Tp>&, const std::valarray<_Tp>&)
 _DEFINE_BINARY_OPERATOR(-, __minus)
 ^
/usr/include/c++/4.8/valarray:1168:1: note:   template argument deduction/substitution failed:
circular1.cpp:40:31: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::valarray<_Tp>'
                 d1 = d[a[i] - 'A'][r[j] - 'A'];

                               ^
In file included from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:94:0,
                 from circular1.cpp:1:
/usr/include/c++/4.8/valarray:1168:1: note: template<class _Tp> std::_Expr<std::_BinClos<std::__minus, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const std::valarray<_Tp>&, const _Tp&)
 _DEFINE_BINARY_OPERATOR(-, __minus)
 ^
/usr/include/c++/4.8/valarray:1168:1: note:   template argument deduction/substitution failed:
circular1.cpp:40:31: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::valarray<_Tp>'
                 d1 = d[a[i] - 'A'][r[j] - 'A'];

                               ^
In file included from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:94:0,
                 from circular1.cpp:1:
/usr/include/c++/4.8/valarray:1168:1: note: template<class _Tp> std::_Expr<std::_BinClos<std::__minus, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const _Tp&, const std::valarray<_Tp>&)
 _DEFINE_BINARY_OPERATOR(-, __minus)
 ^
/usr/include/c++/4.8/valarray:1168:1: note:   template argument deduction/substitution failed:
circular1.cpp:40:31: note:   mismatched types 'const std::valarray<_Tp>' and 'char'
                 d1 = d[a[i] - 'A'][r[j] - 'A'];

                               ^
In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/4.8/bits/char_traits.h:39,
                 from /usr/include/c++/4.8/ios:40,
                 from /usr/include/c++/4.8/istream:38,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_iterator.h:896:5: note: template<class _Iterator, class _Container> typename __gnu_cxx::__normal_iterator<_Iterator, _Container>::difference_type __gnu_cxx::operator-(const __gnu_cxx::__normal_iterator<_Iterator, _Container>&, const __gnu_cxx::__normal_iterator<_Iterator, _Container>&)
     operator-(const __normal_iterator<_Iterator, _Container>& __lhs,
     ^
/usr/include/c++/4.8/bits/stl_iterator.h:896:5: note:   template argument deduction/substitution failed:
circular1.cpp:40:31: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const __gnu_cxx::__normal_iterator<_Iterator, _Container>'
                 d1 = d[a[i] - 'A'][r[j] - 'A'];

                               ^
In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/4.8/bits/char_traits.h:39,
                 from /usr/include/c++/4.8/ios:40,
                 from /usr/include/c++/4.8/istream:38,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_iterator.h:884:5: note: template<class _IteratorL, class _IteratorR, class _Container> decltype ((__lhs.base() - __rhs.base())) __gnu_cxx::operator-(const __gnu_cxx::__normal_iterator<_IteratorL, _Container>&, const __gnu_cxx::__normal_iterator<_IteratorR, _Container>&)
     operator-(const __normal_iterator<_IteratorL, _Container>& __lhs,
     ^
/usr/include/c++/4.8/bits/stl_iterator.h:884:5: note:   template argument deduction/substitution failed:
circular1.cpp:40:31: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const __gnu_cxx::__normal_iterator<_IteratorL, _Container>'
                 d1 = d[a[i] - 'A'][r[j] - 'A'];

                               ^
circular1.cpp:41:33: error: no match for 'operator-' (operand types are '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' and 'char')
                 d2 = d[a[i + 1] - 'A'][r[j] - 'A'];

                                 ^
circular1.cpp:41:33: note: candidates are:
In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/4.8/bits/char_traits.h:39,
                 from /usr/include/c++/4.8/ios:40,
                 from /usr/include/c++/4.8/istream:38,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_iterator.h:327:5: note: template<class _Iterator> typename std::reverse_iterator<_Iterator>::difference_type std::operator-(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)
     operator-(const reverse_iterator<_Iterator>& __x,
     ^
/usr/include/c++/4.8/bits/stl_iterator.h:327:5: note:   template argument deduction/substitution failed:
circular1.cpp:41:35: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::reverse_iterator<_Iterator>'
                 d2 = d[a[i + 1] - 'A'][r[j] - 'A'];

                                   ^
In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/4.8/bits/char_traits.h:39,
                 from /usr/include/c++/4.8/ios:40,
                 from /usr/include/c++/4.8/istream:38,
                 from /usr/include/c++/4.8/sstream:38,
                 from /usr/include/c++/4.8/complex:45,
                 from /usr/include/c++/4.8/ccomplex:38,
                 from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:52,
                 from circular1.cpp:1:
/usr/include/c++/4.8/bits/stl_iterator.h:379:5: note: template<class _IteratorL, class _IteratorR> decltype ((__y.base() - __x.base())) std::operator-(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)
     operator-(const reverse_iterator<_IteratorL>& __x,
     ^
/usr/include/c++/4.8/bits/stl_iterator.h:379:5: note:   template argument deduction/substitution failed:
circular1.cpp:41:35: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::basic_string<char> > >::value_type {aka std::basic_string<char>}' is not derived from 'const std::reverse_iterator<_Iterator>'
                 d2 = d[a[i + 1] - 'A'][r[j] - 'A'];

                                   ^
In file included from /usr/include/c++/4.8/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/4.8/bits/char_traits.h:39,
                 from /usr/include/c++/4.8/ios:40,
                 from /usr/include/c++/4.8/istream:38,
                 from /usr/include/c++/4.8/sstream:38,
                 from

Cum funcționează evaluarea?

www.pbinfo.ro permite evaluarea a două tipuri de probleme:

  • probleme la care rezolvarea presupune scrierea unui program complet
  • probleme la care rezolvarea presupune scrierea unei secvențe de program - câteva instrucțiuni, o listă de declarații, una sau mai multe funcții, etc.

Problema circular1 face parte din prima categorie. Soluția propusă de tine va fi evaluată astfel:

  • Programul sursă este compilat folosind compilatorul corespunzător. Dacă în urma compilării se obțin erori sau avertismente, acestea sunt afișate în această pagină.
  • Dacă programul a fost compilat, executabilul obținut va fi rulat, furnizându-i-se unul sau mai multe seturi de date de intrare, în concordanță cu restricțiile specifice problemei. Pentru fiecare set de date se obține un anumit punctaj, în raport cu corectitudinea soluției tale.

Suma punctajelor acordate pe testele utilizate pentru verificare este 100. Astfel, soluția ta poate obține cel mult 100 de puncte, caz în care se poate considera corectă.