Compilare: main.cpp: In function 'void dfs(int)': main.cpp:101:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 101 | for (int m=0;m<v[nod].size();m++) { | ~^~~~~~~~~~~~~~ main.cpp: In function 'void solve_apm()': main.cpp:134:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Edge>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 134 | for (int p=0;p<v[nod_pq].size();p++) { | ~^~~~~~~~~~~~~~~~~