Compilare: main.cpp:1:2: warning: #import is a deprecated GCC extension [-Wdeprecated] 1 | #import<fstream> | ^~~~~~ main.cpp:2:91: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] 2 | int a[1005][1005],i,j,n,d,k,x,y,o,A,B,dx[]={0,0,-1,1,1,1,-1,-1},dy[]={-1,1,0,0,1,-1,1,-1};main(){std::fstream I("betasah.in");for(I>>n>>d>>k;d--;I>>x>>y,a[x][y]++);for(;k--;I>>x>>y,a[x][y]--);for(;++i<=n;){for(j=1,o=0;j<=i;o+=a[i][j++]>=0);if(o>A)A=o;}for(i=0;++i<=n;)for(j=0;++j<=i;)if(a[i][j]==1)for(d=0;d<8;d++)for(k=0;++k<n;){x=i+dx[d]*k;y=j+dy[d]*k;if(x<=n&&y<=x&&x&&y&&a[x][y]%2==0) a[x][y]=2;else break;}for(i=0;++i<=n;)for(j=1;j<=i;)B+=a[i][j++]==2;std::ofstream("betasah.out")<<A<<'\n'<<B;} | ^~~~