Compilare: main.cpp: In function 'int main()': main.cpp:60:17: 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] 60 | for(ll i=0;i<components.size();i++){ | ~^~~~~~~~~~~~~~~~~~ main.cpp:63:17: 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] 63 | for(ll i=0;i<components.size();i++){ | ~^~~~~~~~~~~~~~~~~~ main.cpp:64:32: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare] 64 | if(components[i].size()==ans){ | ~~~~~~~~~~~~~~~~~~~~^~~~~