Eroare de compilare: main.cpp: In function 'int32_t main()': main.cpp:18:49: error: reference to 'cin' is ambiguous #define CODE_START ios_base::sync_with_stdio();cin.tie();cout.tie(); ^ main.cpp:26:1: note: in expansion of macro 'CODE_START' CODE_START; ^~~~~~~~~~ main.cpp:22:11: note: candidates are: std::ifstream cin ifstream cin("cobinari.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:18:59: error: reference to 'cout' is ambiguous #define CODE_START ios_base::sync_with_stdio();cin.tie();cout.tie(); ^ main.cpp:26:1: note: in expansion of macro 'CODE_START' CODE_START; ^~~~~~~~~~ main.cpp:23:14: note: candidates are: std::ofstream cout ofstream cout("combinari.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:27:1: error: reference to 'cin' is ambiguous cin>>n>>k; ^~~ main.cpp:22:11: note: candidates are: std::ifstream cin ifstream cin("cobinari.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: In function 'void sol(long long int)': main.cpp:33:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(v.size()==k){ ~~~~~~~~^~~ main.cpp:34:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(ll i=0;i<v.size();i++) ~^~~~~~~~~ main.cpp:35:9: error: reference to 'cout' is ambiguous cout<<v[i]<<' '; ^~~~ Non zero exit status: 1