Compilare: main.cpp: In function 'int dfs(int, int, int)': main.cpp:51:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int &p = last[node];p < graph[node].size();++p) ~~^~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:112:25: warning: 'bestSink' may be used uninitialized in this function [-Wmaybe-uninitialized] GetFlow(1, bestSink); ^