Compilare: user.cpp:10:12: warning: overflow in implicit constant conversion [-Woverflow] #define oo 0x3f3f3f3f3f3f ^ user.cpp:12:28: note: in expansion of macro ‘oo’ int Dmaxi[NMAX],N,M,p,mini=oo; ^ user.cpp: In function ‘void ReadData()’: user.cpp:17:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d %d %d",&p,&N,&M); ^ user.cpp:18:49: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(int i=1;i<=N;++i)fscanf(fin,"%d",&Dmaxi[i]); ^ user.cpp:21:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d %d %d",&x,&y,&c); ^