Compilare: user.cpp: In function ‘void bellmanford()’: user.cpp:27:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<Lista[nc].size();i++){ ^ user.cpp: In function ‘bool fmcm()’: user.cpp:54:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<Lista[nc].size();i++){ ^ user.cpp: In function ‘int main()’: user.cpp:75:52: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d%d%d",&n,&m,&sursa,&destinatie); ^ user.cpp:77:49: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d%d%d",&x,&y,&flux,&cost); ^