Eroare de compilare: main.cpp: In function 'void brut()': main.cpp:10:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i <s.size();i++){ ~~^~~~~~~~~ main.cpp:12:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = i + 1; j <s.size();j++){ ~~^~~~~~~~~ main.cpp:14:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k = j + 1;k<s.size();k++){ ~^~~~~~~~~ main.cpp:22:3: error: reference to 'cout' is ambiguous cout<<ans<<"\n"; ^~~~ main.cpp:6:10: note: candidates are: std::ofstream cout ofstream cout("domenii.out"); ^~~~ In file included from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:75:0, from main.cpp:1: /usr/include/c++/6/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^~~~ main.cpp: In function 'int main()': main.cpp:28:3: error: reference to 'cin' is ambiguous cin>>n; ^~~ main.cpp:5:10: note: candidates are: std::ifstream cin ifstream cin("domenii.in"); ^~~ In file included from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:75:0, from main.cpp:1: /usr/include/c++/6/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^~~ main.cpp:29:3: error: reference to 'cin' is ambiguous cin>>s; ^~~ main.cpp:5:10: note: candidates are: std::ifstream cin ifstream cin("domenii.in"); ^~~ In file included from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:75:0, from main.cpp:1: /usr/include/c++/6/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^~~ Non zero exit status: 1