Eroare de compilare: main.cpp: In function 'int main()': main.cpp:92:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (size_t i = 0; i < p; i++) ~~^~~ main.cpp:97:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (size_t j = 0; j < q; j++) ~~^~~ main.cpp:115:4: error: reference to 'cout' is ambiguous cout << apa << "\n"; ^~~~ main.cpp:10:10: note: candidates are: std::ofstream cout ofstream cout("marceland.out"); ^~~~ In file included from main.cpp:3:0: /usr/include/c++/6/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^~~~ main.cpp:116:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (size_t i = 0; i < p; i++) ~~^~~ main.cpp:118:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (size_t j = 0; j < q; j++) ~~^~~ main.cpp:120:6: error: reference to 'cout' is ambiguous cout << w[i][j]; ^~~~ main.cpp:10:10: note: candidates are: std::ofstream cout ofstream cout("marceland.out"); ^~~~ In file included from main.cpp:3:0: /usr/include/c++/6/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^~~~ main.cpp:122:5: error: reference to 'cout' is ambiguous cout << "\n"; ^~~~ main.cpp:10:10: note: candidates are: std::ofstream cout ofstream cout("marceland.out"); ^~~~ In file included from main.cpp:3:0: /usr/include/c++/6/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^~~~ main.cpp:129:4: error: reference to 'cout' is ambiguous cout << "-1" << "\n"; ^~~~ main.cpp:10:10: note: candidates are: std::ofstream cout ofstream cout("marceland.out"); ^~~~ In file included from main.cpp:3:0: Non zero exit status: 1