Compilare: main.cpp: In function 'void bfs(int)': main.cpp:28:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 28 | for (int i=0; i<g[nodc].size(); ++i) | ~^~~~~~~~~~~~~~~ main.cpp: In function 'void dfs(int)': main.cpp:40:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | for (int i=0; i<g[nod].size(); ++i) | ~^~~~~~~~~~~~~~