Compilare: user.cpp: In function ‘void Bellman_Ford(int)’: user.cpp:121:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int i = 0; i < Edge.size(); ++i ) ^ user.cpp: In function ‘int main()’: user.cpp:136:22: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] FIN("viteza2.in"); ^ user.cpp:137:24: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] FOUT("viteza2.out"); ^