Compilare: main.cpp: In function 'int BFS(int, int)': main.cpp:33:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0; j<vec[x].size(); j++) ~^~~~~~~~~~~~~~ main.cpp: In function 'double Get_Flux(int, int)': main.cpp:57:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0; j<vec[destinatie].size(); j++) ~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp:54:9: warning: unused variable 'ok' [-Wunused-variable] int ok = BFS(sursa, destinatie); ^~