Compilare: user.cpp: In function ‘void HAOS(int)’: user.cpp:66:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<v[f].size(); i++) ^ user.cpp: In function ‘int main()’: user.cpp:109:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d%d%d",&n,&t,&R); ^ user.cpp:115:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&p[i][j]); ^