#3754
Expresii
Definim o expresie ca fiind un șir de caractere e
care respectă una dintre următoarele:
e = "x";
e
reprezintă un număr natural (constantă); (ex. e ∊ {"1", "2"; "200"; ...}
)e = "[e1,e2]"
sau e = "(e1,e2)"
, unde e1
, e2
sunt (sub-)expresii. Aici, (•, •)
semnifică cel mai mare[•,•]
semnifică cel mai mic multiplu comun a două numere. De exemplu, avem că (6, 8) = 2
, [6, 8] = 24
.Dându-se o expresie e
și două numere naturale a
, b
, să se calculeze eval(e, a) + eval(e, a+1) + ... + eval(e, b)
. Rezultatul se va afișa modulo 1.000.000.007
.
ONSEPI, 2021, clasa a X-a
Problema | Expresii | Operații I/O |
expresii.in /expresii.out
|
---|---|---|---|
Limita timp | 0.5 secunde | Limita memorie |
Total: 256 MB
/
Stivă 8 MB
|
Id soluție | #43041742 | Utilizator | |
Fișier | expresii.cpp | Dimensiune | 640 B |
Data încărcării | 28 Martie 2023, 16:29 | Scor / rezultat | Eroare de compilare |
expresii.cpp: In function 'int main()': expresii.cpp:32:9: error: conflicting declaration 'int s' int s = 0; ^ expresii.cpp:20:12: error: 's' has a previous declaration as 'std::string s' string s; ^ expresii.cpp:34:16: error: no match for 'operator+' (operand types are 'std::string {aka std::basic_string<char>}' and 'int') s = (s + gcd(a, t)) % MOD; ^ expresii.cpp:34:16: 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/ostream:38, from /usr/include/c++/4.8/iostream:39, from expresii.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:333:5: note: template<class _Iterator> std::reverse_iterator<_Iterator> std::operator+(typename std::reverse_iterator<_Iterator>::difference_type, const std::reverse_iterator<_Iterator>&) operator+(typename reverse_iterator<_Iterator>::difference_type __n, ^ /usr/include/c++/4.8/bits/stl_iterator.h:333:5: note: template argument deduction/substitution failed: expresii.cpp:34:26: note: mismatched types 'const std::reverse_iterator<_Iterator>' and 'int' s = (s + gcd(a, t)) % MOD; ^ 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/ostream:38, from /usr/include/c++/4.8/iostream:39, from expresii.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:1118:5: note: template<class _Iterator> std::move_iterator<_Iterator> std::operator+(typename std::move_iterator<_Iterator>::difference_type, const std::move_iterator<_Iterator>&) operator+(typename move_iterator<_Iterator>::difference_type __n, ^ /usr/include/c++/4.8/bits/stl_iterator.h:1118:5: note: template argument deduction/substitution failed: expresii.cpp:34:26: note: mismatched types 'const std::move_iterator<_Iterator>' and 'int' s = (s + gcd(a, t)) % MOD; ^ In file included from /usr/include/c++/4.8/string:52:0, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from expresii.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2365:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_string<_CharT, _Traits, _Alloc> std::operator+(const std::basic_string<_CharT, _Traits, _Alloc>&, const std::basic_string<_CharT, _Traits, _Alloc>&) operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, ^ /usr/include/c++/4.8/bits/basic_string.h:2365:5: note: template argument deduction/substitution failed: expresii.cpp:34:26: note: mismatched types 'const std::basic_string<_CharT, _Traits, _Alloc>' and 'int' s = (s + gcd(a, t)) % MOD; ^ In file included from /usr/include/c++/4.8/string:53:0, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from expresii.cpp:1: /usr/include/c++/4.8/bits/basic_string.tcc:692:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_string<_CharT, _Traits, _Alloc> std::operator+(const _CharT*, const std::basic_string<_CharT, _Traits, _Alloc>&) operator+(const _CharT* __lhs, ^ /usr/include/c++/4.8/bits/basic_string.tcc:692:5: note: template argument deduction/substitution failed: expresii.cpp:34:26: note: mismatched types 'const _CharT*' and 'std::basic_string<char>' s = (s + gcd(a, t)) % MOD; ^ In file included from /usr/include/c++/4.8/string:53:0, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from expresii.cpp:1: /usr/include/c++/4.8/bits/basic_string.tcc:708:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_string<_CharT, _Traits, _Alloc> std::operator+(_CharT, const std::basic_string<_CharT, _Traits, _Alloc>&) operator+(_CharT __lhs, const basic_string<_CharT, _Traits, _Alloc>& __rhs) ^ /usr/include/c++/4.8/bits/basic_string.tcc:708:5: note: template argument deduction/substitution failed: expresii.cpp:34:26: note: mismatched types 'const std::basic_string<_CharT, _Traits, _Alloc>' and 'int' s = (s + gcd(a, t)) % MOD; ^ In file included from /usr/include/c++/4.8/string:52:0, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from expresii.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2402:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_string<_CharT, _Traits, _Alloc> std::operator+(const std::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*) operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, ^ /usr/include/c++/4.8/bits/basic_string.h:2402:5: note: template argument deduction/substitution failed: expresii.cpp:34:26: note: mismatched types 'const _CharT*' and 'int' s = (s + gcd(a, t)) % MOD; ^ In file included from /usr/include/c++/4.8/string:52:0, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from expresii.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2418:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_string<_CharT, _Traits, _Alloc> std::operator+(const std::basic_string<_CharT, _Traits, _Alloc>&, _CharT) operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, _CharT __rhs) ^ /usr/include/c++/4.8/bits/basic_string.h:2418:5: note: template argument deduction/substitution failed: expresii.cpp:34:26: note: deduced conflicting types for parameter '_CharT' ('char' and 'int') s = (s + gcd(a, t)) % MOD; ^ In file included from /usr/include/c++/4.8/string:52:0, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from expresii.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2430:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_string<_CharT, _Traits, _Alloc> std::operator+(std::basic_string<_CharT, _Traits, _Alloc>&&, const std::basic_string<_CharT, _Traits, _Alloc>&) operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs, ^ /usr/include/c++/4.8/bits/basic_string.h:2430:5: note: template argument deduction/substitution failed: expresii.cpp:34:26: note: mismatched types 'const std::basic_string<_CharT, _Traits, _Alloc>' and 'int' s = (s + gcd(a, t)) % MOD; ^ In file included from /usr/include/c++/4.8/string:52:0, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from expresii.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2436:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_string<_CharT, _Traits, _Alloc> std::operator+(const std::basic_string<_CharT, _Traits, _Alloc>&, std::basic_string<_CharT, _Traits, _Alloc>&&) operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, ^ /usr/include/c++/4.8/bits/basic_string.h:2436:5: note: template argument deduction/substitution failed: expresii.cpp:34:26: note: mismatched types 'std::basic_string<_CharT, _Traits, _Alloc>' and 'int' s = (s + gcd(a, t)) % MOD; ^ In file included from /usr/include/c++/4.8/string:52:0, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from expresii.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2442:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_string<_CharT, _Traits, _Alloc> std::operator+(std::basic_string<_CharT, _Traits, _Alloc>&&, std::basic_string<_CharT, _Traits, _Alloc>&&) operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs, ^ /usr/include/c++/4.8/bits/basic_string.h:2442:5: note: template argument deduction/substitution failed: expresii.cpp:34:26: note: mismatched types 'std::basic_string<_CharT, _Traits, _Alloc>' and 'int' s = (s + gcd(a, t)) % MOD; ^ In file included from /usr/include/c++/4.8/string:52:0, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from expresii.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2454:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_string<_CharT, _Traits, _Alloc> std::operator+(const _CharT*, std::basic_string<_CharT, _Traits, _Alloc>&&) operator+(const _CharT* __lhs, ^ /usr/include/c++/4.8/bits/basic_string.h:2454:5: note: template argument deduction/substitution failed: expresii.cpp:34:26: note: mismatched types 'const _CharT*' and 'std::basic_string<char>' s = (s + gcd(a, t)) % MOD; ^ In file included from /usr/include/c++/4.8/string:52:0, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from expresii.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2460:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_string<_CharT, _Traits, _Alloc> std::operator+(_CharT, std::basic_string<_CharT, _Traits, _Alloc>&&) operator+(_CharT __lhs, ^ /usr/include/c++/4.8/bits/basic_string.h:2460:5: note: template argument deduction/substitution failed: expresii.cpp:34:26: note: mismatched types 'std::basic_string<_CharT, _Traits, _Alloc>' and 'int' s = (s + gcd(a, t)) % MOD; ^ In file included from /usr/include/c++/4.8/string:52:0, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from expresii.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2466:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_string<_CharT, _Traits, _Alloc> std::operator+(std::basic_string<_CharT, _Traits, _Alloc>&&, const _CharT*) operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs, ^ /usr/include/c++/4.8/bits/basic_string.h:2466:5: note: template argument deduction/substitution failed: expresii.cpp:34:26: note: mismatched types 'const _CharT*' and 'int' s = (s + gcd(a, t)) % MOD; ^ In file included from /usr/include/c++/4.8/string:52:0, from /usr/include/c++/4.8/bits/locale_classes.h:40, from /usr/include/c++/4.8/bits/ios_base.h:41, from /usr/include/c++/4.8/ios:42, from /usr/include/c++/4.8/ostream:38, from /usr/include/c++/4.8/iostream:39, from expresii.cpp:1: /usr/include/c++/4.8/bits/basic_string.h:2472:5: note: template<class _CharT, class _Traits, class _Alloc> std::basic_string<_CharT, _Traits, _Alloc> std::operator+(std::basic_string<_CharT, _Traits, _Alloc>&&, _CharT) operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs, ^ /usr/include/c++/4.8/bits/basic_string.h:2472:5: note: template argument deduction/substitution failed: expresii.cpp:34:26: note: deduced conflicting types for parameter '_CharT' ('char' and 'int') s = (s + gcd(a, t)) % MOD; ^ 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/ostream:38, from /usr/include/c++/4.8/iostream:39, from expresii.cpp:1: /usr/include/c++/4.8/bits/stl_iterator.h:902:5: note: template<class _Iterator, class _Container> __gnu_cxx::__normal_iterator<_Iterator, _Container> __gnu_cxx::operator+(typename __gnu_cxx::__normal_iterator<_Iterator, _Container>::difference_type, const __gnu_cxx::__normal_iterator<_Iterator, _Container>&) operator+(typename __normal_iterator<_Iterator, _Container>::difference_type ^ /usr/include/c++/4.8/bits/stl_iterator.h:902:5: note: template argument deduction/substitution failed: expresii.cpp:34:26: note: mismatched types 'const __gnu_cxx::__normal_iterator<_Iterator, _Container>' and 'int' s = (s + gcd(a, t)) % MOD; ^
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema Expresii face parte din prima categorie. Soluția propusă de tine va fi evaluată astfel:
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.