Compilare: user.cpp: In function ‘bool findAugPaths()’: user.cpp:85:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < G[ currNode ].size(); i++) ^ user.cpp: In function ‘void findMaxFlow()’: user.cpp:106:47: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < G[ numNodes ].size(); i++) ^ user.cpp: In function ‘void readData()’: user.cpp:17:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&numNodes,&numEdges); ^ user.cpp:22:47: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d",&nodeX,&nodeY,&capXY); ^ user.cpp: In function ‘int main()’: user.cpp:124:36: 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); ^ user.cpp:125:38: 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); ^