Compilare: main.cpp: In function 'int main()': main.cpp:76:17: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | for(ll i=0;i<components.size();i++){ | ~^~~~~~~~~~~~~~~~~~ main.cpp:90:17: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 90 | for(ll i=0;i<components.size();i++){ | ~^~~~~~~~~~~~~~~~~~ main.cpp:95:17: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'const long unsigned int' [-Wsign-compare] 95 | for(ll i=0;i<max(sources.size(),sinks.size());i++){ | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~