/*Number Pattern  - (Diagonal/slant)
    1 2 3 4 5
    2 1 2 3 4
    3 2 1 2 3
    4 3 2 1 2
    5 4 3 2 1*/
#include <stdio.h>
int main()
{
    int n;

    printf("Enter no. of rows/columns: ");
    scanf("%d", &n);

    for (int row = 0; row < n; row++)
    {
        for (int col = row + 1; col > 0; col--)
        {
            if (col != (row + 1))
            {
                //add space
                printf(" ");
            }
            printf("%d", col);
        }

        for (int col = 2; col <= (n - row); col++)
        {
            printf(" %d", col);
        }

        printf("\n");
    }
}