Compilare: main.cpp: In function 'int main()': main.cpp:48:32: warning: suggest parentheses around assignment used as truth value [-Wparentheses] while (flow = DFS(1,INF)) ^ main.cpp: In function 'int DFS(int, int)': main.cpp:83:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (;ind[nod]<L[nod].size();ind[nod]++) ~~~~~~~~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:26:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("maxflow.in","r",stdin); ^ main.cpp:27:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("maxflow.out","w",stdout); ^