Compilare: main.cpp: In function 'void citire()': main.cpp:22:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (Muchii[x].size() > gradMax) ~~~~~~~~~~~~~~~~~^~~~~~~~~ main.cpp:27:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (Muchii[y].size() > gradMax) ~~~~~~~~~~~~~~~~~^~~~~~~~~ main.cpp: In function 'void BFS(int)': main.cpp:45:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < Muchii[nod].size(); ++i) ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:60:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < Muchii[root].size(); ++i) ~~^~~~~~~~~~~~~~~~~~~~~