#851
Email
Se dă o listă de adrese de email corecte ca structură. Să se determine câte adrese de email sunt asociate cu fiecare nume de domeniu.
Problema | Operații I/O |
email.in /email.out
|
|
---|---|---|---|
Limita timp | 0.1 secunde | Limita memorie |
Total: 64 MB
/
Stivă 8 MB
|
Id soluție | #22855217 | Utilizator | |
Fișier | email.cpp | Dimensiune | 879 B |
Data încărcării | 09 Mai 2020, 11:37 | Scor / rezultat | Eroare de compilare |
email.cpp: In function 'int main()': email.cpp:12:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<s.length(); ++i){ ^ In file included from /usr/include/c++/4.8/algorithm:62:0, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64, from email.cpp:1: /usr/include/c++/4.8/bits/stl_algo.h: In instantiation of '_RandomAccessIterator std::__unguarded_partition(_RandomAccessIterator, _RandomAccessIterator, const _Tp&, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<std::basic_string<char>, int>*, std::vector<std::pair<std::basic_string<char>, int> > >; _Tp = std::pair<std::basic_string<char>, int>; _Compare = main()::__lambda4]': /usr/include/c++/4.8/bits/stl_algo.h:2296:78: required from '_RandomAccessIterator std::__unguarded_partition_pivot(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<std::basic_string<char>, int>*, std::vector<std::pair<std::basic_string<char>, int> > >; _Compare = main()::__lambda4]' /usr/include/c++/4.8/bits/stl_algo.h:2337:62: required from 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<std::pair<std::basic_string<char>, int>*, std::vector<std::pair<std::basic_string<char>, int> > >; _Size = int; _Compare = main()::__lambda4]' /usr/include/c++/4.8/bits/stl_algo.h:5499:44: required from 'void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = __gnu_cxx::__normal_iterator<std::pair<std::basic_string<char>, int>*, std::vector<std::pair<std::basic_string<char>, int> > >; _Compare = main()::__lambda4]' email.cpp:26:6: required from here /usr/include/c++/4.8/bits/stl_algo.h:2263:35: error: no match for call to '(main()::__lambda4) (std::pair<std::basic_string<char>, int>&, const std::pair<std::basic_string<char>, int>&)' while (__comp(*__first, __pivot)) ^ email.cpp:24:41: note: candidates are: sort(pairs.begin(), pairs.end(), [=](pair<string, int>& a, pair<string, int>& b){ ^ In file included from /usr/include/c++/4.8/algorithm:62:0, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64, from email.cpp:1: /usr/include/c++/4.8/bits/stl_algo.h:2263:35: note: bool (*)(std::pair<std::basic_string<char>, int>&, std::pair<std::basic_string<char>, int>&) <conversion> while (__comp(*__first, __pivot)) ^ /usr/include/c++/4.8/bits/stl_algo.h:2263:35: note: candidate expects 3 arguments, 3 provided email.cpp:24:85: note: main()::__lambda4 sort(pairs.begin(), pairs.end(), [=](pair<string, int>& a, pair<string, int>& b){ ^ email.cpp:24:85: note: no known conversion for argument 2 from 'const std::pair<std::basic_string<char>, int>' to 'std::pair<std::basic_string<char>, int>&' In file included from /usr/include/c++/4.8/algorithm:62:0, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64, from email.cpp:1: /usr/include/c++/4.8/bits/stl_algo.h:2266:34: error: no match for call to '(main()::__lambda4) (const std::pair<std::basic_string<char>, int>&, std::pair<std::basic_string<char>, int>&)' while (__comp(__pivot, *__last)) ^ email.cpp:24:41: note: candidates are: sort(pairs.begin(), pairs.end(), [=](pair<string, int>& a, pair<string, int>& b){ ^ In file included from /usr/include/c++/4.8/algorithm:62:0, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:64, from email.cpp:1: /usr/include/c++/4.8/bits/stl_algo.h:2266:34: note: bool (*)(std::pair<std::basic_string<char>, int>&, std::pair<std::basic_string<char>, int>&) <conversion> while (__comp(__pivot, *__last)) ^ /usr/include/c++/4.8/bits/stl_algo.h:2266:34: note: candidate expects 3 arguments, 3 provided email.cpp:24:85: note: main()::__lambda4 sort(pairs.begin(), pairs.end(), [=](pair<string, int>& a, pair<string, int>& b){ ^ email.cpp:24:85: note: no known conversion for argument 1 from 'const std::pair<std::basic_string<char>, int>' to 'std::pair<std::basic_string<char>, int>&' email.cpp:8:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("email.in", "r", stdin); ^ email.cpp:9:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("email.out", "w", stdout); ^
www.pbinfo.ro permite evaluarea a două tipuri de probleme:
Problema Email 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.