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Cod sursa(job #952245)
#include<cstdio>
#define Nmax 1000005
#define Dim 1005
using namespace std;
short n, k;
unsigned v[Nmax], a[Dim][Dim];
int main()
{
freopen("tablete.in", "r", stdin);
scanf("%hd%hd",&n, &k);
if(k%2)
{
int m=n*k, i, c;
i=c=1;
while(i<=m)
{
if(i%k==0 && c%2)
{
v[i]=c+1;
++i;
v[i]=c;
c+=2;
}
else v[i]=c++;
i++;
}
c=1;
for(int i=1; i<=n; ++i)
for(int j=1; j<=n; ++j)
if(j<=k) a[i][j]=v[c++];
else a[i][j]=++m;
}
else
{
int c=1;
for(int i=1; i<=n; ++i)
for(int j=1; j<=k; ++j)
a[i][j]=c++;
for(int i=1; i<=n; ++i)
for(int j=k+1; j<=n; ++j)
a[i][j]=c++;
}
freopen("tablete.out", "w", stdout);
for(int i=1; i<=n; ++i)
{
for(int j=1; j<=n; ++j)
printf("%u ",a[i][j]);
printf("\n");
}
return 0;
}