Make interesting pyramid shape with C

In this i will show you way to make a interesting pyramid shape by using C programming language. 
The c code is given bellow.I use nested loop to create this.

#include<stdio.h>
int main(void)
{
    int i,j,l;
    int k=1;
    for(i=1;i<=9;i++)
    {
    for(j=1;j<=i;j++)
    printf("%d ",k%10);
    if(j>=i)
    printf("\n"),k++;

    }
}