Compilare: main.cpp: In function 'void BFS()': main.cpp:20:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | for (int i = 0; i < muchii[nod].size(); ++i) { | ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void DFS(int)': main.cpp:32:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 32 | for (int i = 0; i < muchii[nod].size(); ++i) { | ~~^~~~~~~~~~~~~~~~~~~~