Compilare: main.cpp: In function 'void bfs(int, int)': main.cpp:29:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<L[nod].size();i++){ ~^~~~~~~~~~~~~~ main.cpp: In function 'int dfs(int, int, int)': main.cpp:46:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<edges[nod].size();i++){ ~^~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:100:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<sol.size();i++) ~^~~~~~~~~~~ main.cpp:91:34: warning: 'poz' may be used uninitialized in this function [-Wmaybe-uninitialized] int flow = get_max_flow(1,poz); ^