Compilare: main.cpp: In function 'int bfs()': main.cpp:31:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < adj[nod].size(); i++) ~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'void ford_fulkerson()': main.cpp:49:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < adj[destinatie].size(); i++) ~~^~~~~~~~~~~~~~~~~~~~~~~~