Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:36:5: error: reference to ‘cin’ is ambiguous cin >> n >> k; ^ user.cpp:8:10: note: candidates are: std::ifstream cin ifstream cin ("insula2.in"); ^ In file included from user.cpp:4:0: /usr/include/c++/4.8/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^ user.cpp:39:9: error: reference to ‘cin’ is ambiguous cin >> x >> y; ^ user.cpp:8:10: note: candidates are: std::ifstream cin ifstream cin ("insula2.in"); ^ In file included from user.cpp:4:0: /usr/include/c++/4.8/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^ user.cpp:46:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 2; i < v.size(); i++) ^ user.cpp:112:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = st[i] + 1; j < v.size(); j++) ^ user.cpp:116:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = st[i] + 1; j < v.size(); j++) { ^ user.cpp:135:5: error: reference to ‘cout’ is ambiguous cout << fixed << setprecision(4) << sol; ^ user.cpp:9:10: note: candidates are: std::ofstream cout ofstream cout ("insula2.out"); ^ In file included from user.cpp:4:0: /usr/include/c++/4.8/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^