C program to Print Triangle Pattern

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

 OUTPUT:

enter n value5

1
22
333
4444
55555