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Cod sursa(job #529126)
#include <cstdio>
using namespace std;
int a[310][310];
int main()
{
freopen("lacate.in","r",stdin);
freopen("lacate.out","w",stdout);
int n,i,j,nr=0,nr1,nr2;
scanf("%d",&n);
printf("%d %d\n",n*(n-1)/2,n-1);
for(i=1;i<=n;i++)
{
nr1=nr2=nr;
for(j=i;j<n;j++)
a[i][j]=++nr1;
for(j=i+1;j<=n;j++)
a[j][i]=++nr2;
nr=nr2;
}
for(i=1;i<=n;i++ && printf("\n"))
for(j=1;j<n;j++)
printf("%d ",a[i][j]);
return 0;
}