Eroare de compilare: main.cpp:13:13: error: variable 'std::ifstream cin' has initializer but incomplete type ifstream cin("bisuma.in"); ^ main.cpp:14:14: error: variable 'std::ofstream cout' has initializer but incomplete type ofstream cout("bisuma.out"); ^ main.cpp: In function 'int main()': main.cpp:91:5: error: reference to 'cin' is ambiguous cin>>n>>k; ^~~ main.cpp:13:10: note: candidates are: <typeprefixerror>cin ifstream cin("bisuma.in"); ^~~ In file included from main.cpp:5:0: /usr/include/c++/6/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^~~ main.cpp:99:9: error: reference to 'cin' is ambiguous cin>>v[i]; ^~~ main.cpp:13:10: note: candidates are: <typeprefixerror>cin ifstream cin("bisuma.in"); ^~~ In file included from main.cpp:5:0: /usr/include/c++/6/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^~~ main.cpp:115:9: error: reference to 'cin' is ambiguous cin>>w[i]; ^~~ main.cpp:13:10: note: candidates are: <typeprefixerror>cin ifstream cin("bisuma.in"); ^~~ In file included from main.cpp:5:0: /usr/include/c++/6/iostream:60:18: note: std::istream std::cin extern istream cin; /// Linked to standard input ^~~ main.cpp:179:9: error: reference to 'cout' is ambiguous cout<<dp[k][n]<<'\n'; ^~~~ main.cpp:14:10: note: candidates are: <typeprefixerror>cout ofstream cout("bisuma.out"); ^~~~ In file included from main.cpp:5:0: /usr/include/c++/6/iostream:61:18: note: std::ostream std::cout extern ostream cout; /// Linked to standard output ^~~~ main.cpp:219:14: error: 'fout' was not declared in this scope fprintf (fout,"%lld",dp[k][n]); ^~~~ Non zero exit status: 1