Data-structures/Pattern_numbers_c at master · chaangu/Data-structures · GitHub

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#include <stdio.h>

int main()
{
    int n,i,j;
    scanf("%d",&n);
    for(i=n;i>=1;i--)
    {
        for(j=n;j>=1;j--)
        {
            if(j>i)
               printf("%d ",j);
            else
               printf("%d ",i);
        }
        for(j=2;j<=n;j++)
        {
            if(j>i)
               printf("%d ",j);
            else
               printf("%d ",i);
        }
        printf("\n");
    }

    //
     for(i=2;i<=n;i++)
    {
        for(j=n;j>=1;j--)
        {
            if(i>j)
               printf("%d ",i);
            else
               printf("%d ",j);
        }
        for(j=2;j<=n;j++)
        {
            if(j>i)
               printf("%d ",j);
            else
               printf("%d ",i);
        }
        printf("\n");
    }


    return 0;
}