#3985
Se dau n numere naturale. Calculați suma celor care au exact două cifre.
| Problema | suma_c2 | Operații I/O |
tastatură/ecran
|
|---|---|---|---|
| Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
| Id soluție | #64815122 | Utilizator | |
| Fișier | suma_c2.cpp | Dimensiune | 273 B |
| Data încărcării | 03 Iunie 2026, 09:46 | Scor/rezultat | Eroare de compilare |
suma_c2.cpp: In function ‘int main()’: suma_c2.cpp:18:10: error: no match for ‘operator<’ (operand types are ‘std::ostream’ {aka ‘std::basic_ostream<char>’} and ‘int’) 18 | cout < s | ~~~~ ^ ~ | | | | | int | std::ostream {aka std::basic_ostream<char>} suma_c2.cpp:18:10: note: candidate: ‘operator<(int, int)’ (built-in) 18 | cout < s | ~~~~~^~~ suma_c2.cpp:18:10: note: no known conversion for argument 1 from ‘std::ostream’ {aka ‘std::basic_ostream<char>’} to ‘int’ In file included from /usr/include/c++/13/string:48, from /usr/include/c++/13/bits/locale_classes.h:40, from /usr/include/c++/13/bits/ios_base.h:41, from /usr/include/c++/13/ios:44, from /usr/include/c++/13/ostream:40, from /usr/include/c++/13/iostream:41, from suma_c2.cpp:1: /usr/include/c++/13/bits/stl_iterator.h:455:5: note: candidate: ‘template<class _Iterator> bool std::operator<(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)’ 455 | operator<(const reverse_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/13/bits/stl_iterator.h:455:5: note: template argument deduction/substitution failed: suma_c2.cpp:18:12: note: ‘std::ostream’ {aka ‘std::basic_ostream<char>’} is not derived from ‘const std::reverse_iterator<_Iterator>’ 18 | cout < s | ^ /usr/include/c++/13/bits/stl_iterator.h:500:5: note: candidate: ‘template<class _IteratorL, class _IteratorR> bool std::operator<(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)’ 500 | operator<(const reverse_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/13/bits/stl_iterator.h:500:5: note: template argument deduction/substitution failed: suma_c2.cpp:18:12: note: ‘std::ostream’ {aka ‘std::basic_ostream<char>’} is not derived from ‘const std::reverse_iterator<_Iterator>’ 18 | cout < s | ^ /usr/include/c++/13/bits/stl_iterator.h:1705:5: note: candidate: ‘template<class _IteratorL, class _IteratorR> bool std::operator<(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)’ 1705 | operator<(const move_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/13/bits/stl_iterator.h:1705:5: note: template argument deduction/substitution failed: suma_c2.cpp:18:12: note: ‘std::ostream’ {aka ‘std::basic_ostream<char>’} is not derived from ‘const std::move_iterator<_IteratorL>’ 18 | cout < s | ^ /usr/include/c++/13/bits/stl_iterator.h:1770:5: note: candidate: ‘template<class _Iterator> bool std::operator<(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)’ 1770 | operator<(const move_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/13/bits/stl_iterator.h:1770:5: note: template argument deduction/substitution failed: suma_c2.cpp:18:12: note: ‘std::ostream’ {aka ‘std::basic_ostream<char>’} is not derived from ‘const std::move_iterator<_IteratorL>’ 18 | cout < s | ^ In file included from /usr/include/c++/13/bits/stl_algobase.h:64, from /usr/include/c++/13/string:51: /usr/include/c++/13/bits/stl_pair.h:835:5: note: candidate: ‘template<class _T1, class _T2> constexpr bool std::operator<(const pair<_T1, _T2>&, const pair<_T1, _T2>&)’ 835 | operator<(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) | ^~~~~~~~ /usr/include/c++/13/bits/stl_pair.h:835:5: note: template argument deduction/substitution failed: suma_c2.cpp:18:12: note: ‘std::ostream’ {aka ‘std::basic_ostream<char>’} is not derived from ‘const std::pair<_T1, _T2>’ 18 | cout < s | ^ In file included from /usr/include/c++/13/string:54: /usr/include/c++/13/bits/basic_string.h:3829:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const __cxx11::basic_string<_CharT, _Traits, _Alloc>&, const __cxx11::basic_string<_CharT, _Traits, _Alloc>&)’ 3829 | operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/13/bits/basic_string.h:3829:5: note: template argument deduction/substitution failed: suma_c2.cpp:18:12: note: ‘std::ostream’ {aka ‘std::basic_ostream<char>’} is not derived from ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’ 18 | cout < s | ^ /usr/include/c++/13/bits/basic_string.h:3843:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const __cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)’ 3843 | operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/13/bits/basic_string.h:3843:5: note: template argument deduction/substitution failed: suma_c2.cpp:18:12: note: ‘std::ostream’ {aka ‘std::basic_ostream<char>’} is not derived from ‘const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’ 18 | cout < s | ^ /usr/include/c++/13/bits/basic_string.h:3856:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const _CharT*, const __cxx11::basic_string<_CharT, _Traits, _Alloc>&)’ 3856 | operator<(const _CharT* __lhs, | ^~~~~~~~ /usr/include/c++/13/bits/basic_string.h:3856:5: note: template argument deduction/substitution failed: suma_c2.cpp:18:12: note: mismatched types ‘const _CharT*’ and ‘std::basic_ostream<char>’ 18 | cout < s | ^ In file included from /usr/include/c++/13/bits/ios_base.h:46: /usr/include/c++/13/system_error:324:3: note: candidate: ‘bool std::operator<(const error_code&, const error_code&)’ 324 | operator<(const error_code& __lhs, const error_code& __rhs) noexcept | ^~~~~~~~ /usr/include/c++/13/system_error:324:31: note: no known conversion for argument 1 from ‘std::ostream’ {aka ‘std::basic_ostream<char>’} to ‘const std::error_code&’ 324 | operator<(const error_code& __lhs, const error_code& __rhs) noexcept | ~~~~~~~~~~~~~~~~~~^~~~~ /usr/include/c++/13/system_error:507:3: note: candidate: ‘bool std::operator<(const error_condition&, const error_condition&)’ 507 | operator<(const error_condition& __lhs, | ^~~~~~~~ /usr/include/c++/13/system_error:507:36: note: no known conversion for argument 1 from ‘std::ostream’ {aka ‘std::basic_ostream<char>’} to ‘const std::error_condition&’ 507 | operator<(const error_condition& __lhs, | ~~~~~~~~~~~~~~~~~~~~~~~^~~~~
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema suma_c2 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.