Compilare: main.cpp: In function 'void dfs()': main.cpp:20:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | for(int j = p[nod]; j < noduri[nod].size(); ++j) | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int32_t main(int, char**)': main.cpp:65:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 65 | for(int i = 0; i < sol.size() - 1; ++i) | ~~^~~~~~~~~~~~~~~~