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Cod sursa(job #966312)
#include<cstdio>
using namespace std;
int nr,i,j,n,k,a[1013][1013];
int main()
{
freopen("tablete.in","r",stdin);
freopen("tablete.out","w",stdout);
scanf("%d",&n);
scanf("%d",&k);
if(k%2==0)
{
if(n%2==0)
{
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
nr++;
printf("%d ",nr);
}
printf("\n");
}
return 0;
}
for(i=1;i<=n;i++)
for(j=1;j<k;j++)
{
nr++;
a[i][j]=nr;
}
for(i=1;i<=n;i++)
a[i][k]=nr+2*i-1;
for(i=1;i<=n;i++)
a[i][k+1]=nr+2*i;
nr+=2*n;
for(i=1;i<=n;i++)
for(j=k+2;j<=n;j++)
{
nr++;
a[i][j]=nr;
}
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
printf("%d ",a[i][j]);
printf("\n");
}
}
else
{
if(n%2==0)
{
for(i=1;i<=n/2;i++)
{
for(j=1;j<k;j++)
{
nr++;
a[(i<<1)-1][j]=nr;
}
a[(i<<1)-1][k]=nr+2;
a[i<<1][1]=nr+1;
nr+=2;
for(j=2;j<=k;j++)
{
nr++;
a[i<<1][j]=nr;
}
}
for(i=1;i<=n;i++)
for(j=k+1;j<=n;j++)
{
nr++;
a[i][j]=nr;
}
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
printf("%d ",a[i][j]);
printf("\n");
}
return 0;
}
}
return 0;
}