Eroare de compilare: main.cpp: In function 'bool func(int)': main.cpp:8:9: warning: unused variable 'ok' [-Wunused-variable] int ok=0; ^~ main.cpp: In function 'int main()': main.cpp:25:5: error: 'ifstream' was not declared in this scope ifstream cin("cuplaj.in"); ^~~~~~~~ main.cpp:26:5: error: 'ofstream' was not declared in this scope ofstream cout("cuplaj.out"); ^~~~~~~~ main.cpp:28:5: error: 'cin' was not declared in this scope cin>>n>>m>>e; ^~~ main.cpp:39:5: error: 'cout' was not declared in this scope cout<<sum<<"\n"; ^~~~ Non zero exit status: 1