Compilare: user.cpp: In function ‘std::vector<int, std::allocator<int> > BellmanFord(graph&, uint, uint, weightFunc&, uint, uint)’: user.cpp:34: warning: comparison between signed and unsigned integer expressions user.cpp: In function ‘int main(int, char**)’: user.cpp:60: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:61: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:66: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:74: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result