Compilare: main.cpp: In function 'void dfs(int, int, int)': main.cpp:16:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 16 | for(int i=0;i<v[node].size();i++){ | ~^~~~~~~~~~~~~~~ main.cpp: In function 'void solve()': main.cpp:36:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 36 | for(int i=2;i<rasp.size();i++){ | ~^~~~~~~~~~~~