Compilare: main.cpp: In function 'int main()': main.cpp:24:24: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 24 | if(g[x].size() >= K) | ~~~~~~~~~~~~^~~~ main.cpp:27:24: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 27 | if(g[y].size() >= K) | ~~~~~~~~~~~~^~~~