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Detalii evaluare #64226630
Rezumat problemă
#2644
Într-o școală sunt n clase, fiecare având un număr diferit de elevi. Școală primește m pachete cu cărți, fiecare cu un număr diferit de cărți. Pentru ca o clasa să primească un pachet, numărul elevilor din acea clasa trebuie să fie egal cu numărul cărților din pachet. Să se determine câte clase primesc un pachet de cărți.
Doru Floare (Doruletz) Detalii
| Problema | clase | Operații I/O |
clase.in/clase.out
|
|---|---|---|---|
| Limita timp | 0.01 secunde | Limita memorie |
Total: 1 MB
/
Stivă 1 MB
|
| Id soluție | #64226630 | Utilizator |
Tololoi Daria Maria (TololoiDaria)
|
| Fișier | clase.cpp | Dimensiune | 652 B |
| Data încărcării | 23 Aprilie 2026, 22:28 | Scor/rezultat | Eroare de compilare |
Evaluare
Mesaj compilare
clase.cpp: In lambda function: clase.cpp:10:36: error: expected ‘{’ before ‘;’ token 10 | for (int i=1;i<=n;i++) fin>>[i]; | ^ clase.cpp: In function ‘int main()’: clase.cpp:10:31: error: no match for ‘operator>>’ (operand types are ‘std::ifstream’ {aka ‘std::basic_ifstream<char>’} and ‘main()::<lambda()>’) 10 | for (int i=1;i<=n;i++) fin>>[i]; | ~~~^~~~~ | | | | | main()::<lambda()> | std::ifstream {aka std::basic_ifstream<char>} In file included from /usr/include/c++/13/iostream:42, from clase.cpp:1: /usr/include/c++/13/istream:325:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ 325 | operator>>(void*& __p) | ^~~~~~~~ /usr/include/c++/13/istream:325:25: note: no known conversion for argument 1 from ‘main()::<lambda()>’ to ‘void*&’ 325 | operator>>(void*& __p) | ~~~~~~~^~~ /usr/include/c++/13/istream:224:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ 224 | operator>>(long double& __f) | ^~~~~~~~ /usr/include/c++/13/istream:224:31: note: no known conversion for argument 1 from ‘main()::<lambda()>’ to ‘long double&’ 224 | operator>>(long double& __f) | ~~~~~~~~~~~~~^~~ /usr/include/c++/13/istream:220:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ 220 | operator>>(double& __f) | ^~~~~~~~ /usr/include/c++/13/istream:220:26: note: no known conversion for argument 1 from ‘main()::<lambda()>’ to ‘double&’ 220 | operator>>(double& __f) | ~~~~~~~~^~~ /usr/include/c++/13/istream:216:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(float&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ 216 | operator>>(float& __f) | ^~~~~~~~ /usr/include/c++/13/istream:216:25: note: no known conversion for argument 1 from ‘main()::<lambda()>’ to ‘float&’ 216 | operator>>(float& __f) | ~~~~~~~^~~ /usr/include/c++/13/istream:201:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ 201 | operator>>(unsigned long long& __n) | ^~~~~~~~ /usr/include/c++/13/istream:201:38: note: no known conversion for argument 1 from ‘main()::<lambda()>’ to ‘long long unsigned int&’ 201 | operator>>(unsigned long long& __n) | ~~~~~~~~~~~~~~~~~~~~^~~ /usr/include/c++/13/istream:197:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ 197 | operator>>(long long& __n) | ^~~~~~~~ /usr/include/c++/13/istream:197:29: note: no known conversion for argument 1 from ‘main()::<lambda()>’ to ‘long long int&’ 197 | operator>>(long long& __n) | ~~~~~~~~~~~^~~ /usr/include/c++/13/istream:192:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ 192 | operator>>(unsigned long& __n) | ^~~~~~~~ /usr/include/c++/13/istream:192:33: note: no known conversion for argument 1 from ‘main()::<lambda()>’ to ‘long unsigned int&’ 192 | operator>>(unsigned long& __n) | ~~~~~~~~~~~~~~~^~~ /usr/include/c++/13/istream:188:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ 188 | operator>>(long& __n) | ^~~~~~~~ /usr/include/c++/13/istream:188:24: note: no known conversion for argument 1 from ‘main()::<lambda()>’ to ‘long int&’ 188 | operator>>(long& __n) | ~~~~~~^~~ /usr/include/c++/13/istream:184:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ 184 | operator>>(unsigned int& __n) | ^~~~~~~~ /usr/include/c++/13/istream:184:32: note: no known conversion for argument 1 from ‘main()::<lambda()>’ to ‘unsigned int&’ 184 | operator>>(unsigned int& __n) | ~~~~~~~~~~~~~~^~~ /usr/include/c++/13/istream:181:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits<char>]’ 181 | operator>>(int& __n); | ^~~~~~~~ /usr/include/c++/13/istream:181:23: note: no known conversion for argument 1 from ‘main()::<lambda()>’ to ‘int&’ 181 | operator>>(int& __n); | ~~~~~^~~ /usr/include/c++/13/istream:177:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ 177 | operator>>(unsigned short& __n) | ^~~~~~~~ /usr/include/c++/13/istream:177:34: note: no known conversion for argument 1 from ‘main()::<lambda()>’ to ‘short unsigned int&’ 177 | operator>>(unsigned short& __n) | ~~~~~~~~~~~~~~~~^~~ /usr/include/c++/13/istream:174:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]’ 174 | operator>>(short& __n); | ^~~~~~~~ /usr/include/c++/13/istream:174:25: note: no known conversion for argument 1 from ‘main()::<lambda()>’ to ‘short int&’ 174 | operator>>(short& __n); | ~~~~~~~^~~ /usr/include/c++/13/istream:170:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ 170 | operator>>(bool& __n) | ^~~~~~~~ /usr/include/c++/13/istream:170:24: note: no known conversion for argument 1 from ‘main()::<lambda()>’ to ‘bool&’ 170 | operator>>(bool& __n) | ~~~~~~^~~ /usr/include/c++/13/istream:122:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__istream_type& (*)(__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ 122 | operator>>(__istream_type& (*__pf)(__istream_type&)) | ^~~~~~~~ /usr/include/c++/13/istream:122:36: note: no known conversion for argument 1 from ‘main()::<lambda()>’ to ‘std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)’ {aka ‘std::basic_istream<char>& (*)(std::basic_istream<char>&)’} 122 | operator>>(__istream_type& (*__pf)(__istream_type&)) | ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/13/istream:126:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__ios_type& (*)(__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>; __ios_type = std::basic_ios<char>]’ 126 | operator>>(__ios_type& (*__pf)(__ios_type&)) | ^~~~~~~~ /usr/include/c++/13/istream:126:32: note: no known conversion for argument 1 from ‘main()::<lambda()>’ to ‘std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)’ {aka ‘std::basic_ios<char>& (*)(std::basic_ios<char>&)’} 126 | operator>>(__ios_type& (*__pf)(__ios_type&)) | ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~ /usr/include/c++/13/istream:133:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(std::ios_base& (*)(std::ios_base&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ 133 | operator>>(ios_base& (*__pf)(ios_base&)) | ^~~~~~~~ /usr/include/c++/13/istream:133:30: note: no known conversion for argument 1 from ‘main()::<lambda()>’ to ‘std::ios_base& (*)(std::ios_base&)’ 133 | operator>>(ios_base& (*__pf)(ios_base&)) | ~~~~~~~~~~~~^~~~~~~~~~~~~~~~ /usr/include/c++/13/istream:349:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(__streambuf_type*) [with _CharT = char; _Traits = std::char_traits<char>; __streambuf_type = std::basic_streambuf<char>]’ 349 | operator>>(__streambuf_type* __sb); | ^~~~~~~~ /usr/include/c++/13/istream:349:36: note: no known conversion for argument 1 from ‘main()::<lambda()>’ to ‘std::basic_istream<char>::__streambuf_type*’ {aka ‘std::basic_streambuf<char>*’} 349 | operator>>(__streambuf_type* __sb); | ~~~~~~~~~~~~~~~~~~^~~~ In file included from /usr/include/c++/13/string:55, 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: /usr/include/c++/13/bits/basic_string.tcc:827:5: note: candidate: ‘template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, __cxx11::basic_string<_CharT, _Traits, _Alloc>&)’ 827 | operator>>(basic_istream<_CharT, _Traits>& __in, | ^~~~~~~~ /usr/include/c++/13/bits/basic_string.tcc:827:5: note: template argument deduction/substitution failed: clase.cpp:10:36: note: ‘main()::<lambda()>’ is not derived from ‘std::__cxx11::basic_string<_CharT, _Traits, _Alloc>’ 10 | for (int i=1;i<=n;i++) fin>>[i]; | ^ In file included from /usr/include/c++/13/istream:1106: /usr/include/c++/13/bits/istream.tcc:975:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT&)’ 975 | operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c) | ^~~~~~~~ /usr/include/c++/13/bits/istream.tcc:975:5: note: template argument deduction/substitution failed: clase.cpp:10:36: note: deduced conflicting types for parameter ‘_CharT’ (‘char’ and ‘main()::<lambda()>’) 10 | for (int i=1;i<=n;i++) fin>>[i]; | ^ /usr/include/c++/13/istream:846:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, unsigned char&)’ 846 | operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c) | ^~~~~~~~ /usr/include/c++/13/istream:846:5: note: template argument deduction/substitution failed: clase.cpp:10:33: note: cannot convert ‘<lambda closure object>main()::<lambda()>{i}’ (type ‘main()::<lambda()>’) to type ‘unsigned char&’ 10 | for (int i=1;i<=n;i++) fin>>[i]; | ^~~ /usr/include/c++/13/istream:851:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, signed char&)’ 851 | operator>>(basic_istream<char, _Traits>& __in, signed char& __c) | ^~~~~~~~ /usr/include/c++/13/istream:851:5: note: template argument deduction/substitution failed: clase.cpp:10:33: note: cannot convert ‘<lambda closure object>main()::<lambda()>{i}’ (type ‘main()::<lambda()>’) to type ‘signed char&’ 10 | for (int i=1;i<=n;i++) fin>>[i]; | ^~~ /usr/include/c++/13/istream:893:5: note: candidate: ‘template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(basic_istream<_CharT, _Traits>&, _CharT*)’ 893 | operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s) | ^~~~~~~~ /usr/include/c++/13/istream:893:5: note: template argument deduction/substitution failed: clase.cpp:10:36: note: mismatched types ‘_CharT*’ and ‘main()::<lambda()>’ 10 | for (int i=1;i<=n;i++) fin>>[i]; | ^ /usr/include/c++/13/istream:936:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, unsigned char*)’ 936 | operator>>(basic_istream<char, _Traits>& __in, unsigned char* __s) | ^~~~~~~~ /usr/include/c++/13/istream:936:5: note: template argument deduction/substitution failed: clase.cpp:10:33: note: cannot convert ‘<lambda closure object>main()::<lambda()>{i}’ (type ‘main()::<lambda()>’) to type ‘unsigned char*’ 10 | for (int i=1;i<=n;i++) fin>>[i]; | ^~~ /usr/include/c++/13/istream:942:5: note: candidate: ‘template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(basic_istream<char, _Traits>&, signed char*)’ 942 | operator>>(basic_istream<char, _Traits>& __in, signed char* __s) | ^~~~~~~~ /usr/include/c++/13/istream:942:5: note: template argument deduction/substitution failed: clase.cpp:10:33: note: cannot convert ‘<lambda closure object>main()::<lambda()>{i}’ (type ‘main()::<lambda()>’) to type ‘signed char*’ 10 | for (int i=1;i<=n;i++) fin>>[i]; | ^~~ /usr/include/c++/13/istream:1096:5: note: candidate: ‘template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&)’ 1096 | operator>>(_Istream&& __is, _Tp&& __x) | ^~~~~~~~ /usr/include/c++/13/istream:1096:5: note: template argument deduction/substitution failed: /usr/include/c++/13/istream: In substitution of ‘template<class _Istream, class _Tp> _Istream&& std::operator>>(_Istream&&, _Tp&&) [with _Istream = std::basic_ifstream<char>&; _Tp = main()::<lambda()>]’: clase.cpp:10:36: required from here /usr/include/c++/13/istream:1096:5: error: no type named ‘type’ in ‘struct std::enable_if<false, void>’ clase.cpp:22:17: error: ‘k’ was not declared in this scope 22 | k++; | ^ clase.cpp:32:11: error: ‘k’ was not declared in this scope 32 | fout<<k; | ^
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 clase 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.