Compilare: main.cpp: In function 'void dfs(long long int)': main.cpp:34:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | for (i = 0; i < g[nod].size(); i++) | ~~^~~~~~~~~~~~~~~ main.cpp:37:27: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for (j = i + 1; j < g[nod].size(); j++) | ~~^~~~~~~~~~~~~~~