Compilare: main.cpp: In function 'std::vector<int> sortare(std::vector<int>)': main.cpp:22:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | for(int j=0; j<V.size(); j++){ | ~^~~~~~~~~ main.cpp:31:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 31 | for(int j=0; j<bins.size(); j++){ | ~^~~~~~~~~~~~ main.cpp:32:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 32 | for(int k=0; k<bins[j].size(); k++){ | ~^~~~~~~~~~~~~~~