Eroare de compilare: main.cpp: In function 'int main()': main.cpp:12:5: error: reference to 'cin' is ambiguous cin >> t; ^~~ main.cpp:6:10: note: candidates are: std::ifstream cin ifstream cin("cercuri.in"); ^~~ In file included from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:75:0, from main.cpp:2: /usr/include/c++/6/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^~~ main.cpp:15:5: error: reference to 'cin' is ambiguous cin >> a >> b >> r >> x >> y >> R; ^~~ main.cpp:6:10: note: candidates are: std::ifstream cin ifstream cin("cercuri.in"); ^~~ In file included from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:75:0, from main.cpp:2: /usr/include/c++/6/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^~~ main.cpp:25:9: error: reference to 'cout' is ambiguous cout << -1; ^~~~ main.cpp:7:10: note: candidates are: std::ofstream cout ofstream cout("cercuri.out"); ^~~~ In file included from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:75:0, from main.cpp:2: /usr/include/c++/6/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^~~~ main.cpp:33:13: error: reference to 'cout' is ambiguous cout << -3; ^~~~ main.cpp:7:10: note: candidates are: std::ofstream cout ofstream cout("cercuri.out"); ^~~~ In file included from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:75:0, from main.cpp:2: /usr/include/c++/6/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^~~~ main.cpp:35:13: error: reference to 'cout' is ambiguous cout << -2; ^~~~ main.cpp:7:10: note: candidates are: std::ofstream cout ofstream cout("cercuri.out"); Non zero exit status: 1