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star pattern-6 c language

for n=5


          1     

        1 2 1   

     1 2 3 2 1

  1 2 3 4 3 2 1

1 2 3 4 5 4 3 2 1


#include <stdio.h>
int main()
{
    int num, k;
    printf("Enter the number of row\n");
    scanf("%d", &num);
    for (int row = 1; row <= num; row++)
    {
        k = 0;
        for (int column = 1; column <= (num * 2) - 1; column++)
        {
            if (column <= num)
            {

                if (column >= (num + 1) - row && column <= (num - 1) + row)
                {
                    k++;
                    printf("%d", k);
                }
                else
                {
                    printf(" ");
                }
            }
            else
            {
                if (column >= (num + 1) - row && column <= (num - 1) + row)
                {
                    k--;

                    printf("%d", k);
                }
                else
                {
                    printf(" ");
                }
            }
        }

        printf("\n");
    }

    return 0;
}
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