Compilare: main.cpp: In function 'bool BFS()': main.cpp:33:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < G[node].size(); ++ i) ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'void flow()': main.cpp:48:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < G[MAX].size(); ++ i) ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:94:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < rez.size(); ++ i) ~~^~~~~~~~~~~~