Compilare: main.cpp: In function 'bool verif_vecini(int)': main.cpp:14:20: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 14 | if(v[it].size()>=k) | ~~~~~~~~~~~~^~~ main.cpp: In function 'int main(int, const char**)': main.cpp:36:19: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 36 | if(v[i].size()>=k && verif_vecini(i)) | ~~~~~~~~~~~^~~ main.cpp:49:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | for(int j=0;j<v[qt.front()].size();j++){ | ~^~~~~~~~~~~~~~~~~~~~~