Print Pascal's triangle | Pettern Program

Pro.9: Print Pascal's triangle

Program Code

#include <stdio.h>

int main()

{    

    int rows, coef = 1, space, i, j;

    printf("Enter number of rows: ");

    scanf("%d",&rows);

    for(i=0; i<rows; i++)

    {

        for(space=1; space <= rows-i; space++)

            printf("  ");

        for(j=0; j <= i; j++)

        {

            if (j==0 || i==0)

                coef = 1;

            else

                coef = coef*(i-j+1)/j;

            printf("%4d", coef);

        }

        printf("\n");

    }

    return 0;

}

  OutPut :-