Compilare: main.cpp: In function 'int dfs(int, int)': main.cpp:39:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for(;ptrM[nod] < muchii[nod].size(); ptrM[nod]++){ | ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:106:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 106 | for(int i = 0; i < mch.size(); i++){ | ~~^~~~~~~~~~~~