print right angled triangle

Give positive integer N
print N rows

Sample input and output:
enter N
6
0
00
000
0000
00000
000000

Program:

#include<stdio.h>
int main()
{
       int i,j,N;
       printf("enter N\n");
       scanf("%d",&N);
       for(i=1;i<=N;i++)
       {
            for(j=1;j<=i;j++)
            {
                 printf("0");
            }
            printf("\n");
       }
       return 0;
}