Compilare: main.cpp: In function 'int main()': main.cpp:52:23: warning: comparison of integer expressions of different signedness: 'long long unsigned int' and 'long long int' [-Wsign-compare] 52 | if(sum>=sol){ | ~~~^~~~~ main.cpp:62:13: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<om>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 62 | if(k>f.size())return 0; | ~^~~~~~~~~