Lower Triangular Matrix

#include<stdio.h>

int main()
{

    int i,j,p,q,a[10][10];

    printf("\nEnter the order of the matrix \n\n");
    scanf("%d",&p);

    printf("\nEnter the %d elements of the  matrix \n\n", p*p);

    for(i = 0; i< p; i++)
    {
        for(j = 0; j<p ; j++)
        {
            scanf("%d", &a[i][j]);
        }
    }

    printf("\nThe matrix is \n\n");
    for(i = 0; i< p; i++)
    {
        for(j = 0; j<p ; j++)
        {
            printf("%d\t", a[i][j]);
        }
        printf("\n");
    }


    for(i = 0; i< p; i++)
    {
        for(j = 0; j<p ; j++)
        {

            if(i<=j)
            {
                a[i][j]=0;
            }
        }
    }



    printf("\nThe lower triangular matrix is \n\n");
    for(i = 0; i< p; i++)
    {
        for(j = 0; j<p ; j++)
        {
            printf("%d\t", a[i][j]);
        }
        printf("\n");
    }

    return 0;
}

     

           

Note: Need to be arranged in compiler after copied

   

 OutPut:

Enter the order of the matrix 3 Enter the 9 elements of the matrix 1 2 3 4 5 6 7 8 9 The matrix is 1 2 3 4 5 6 7 8 9 The lower triangular matrix is 0 0 0 4 0 0 7 8 0