CP: Pattern Display :1

Que: Write a C program to display the following different Patterns.
1
1 2
1 2 3
1 2 3 4


Code:

#include <stdio.h>
int main()
{
    int i, j;

    for(i=1; i<=4; ++i)
    {
        for(j=1; j<=i; ++j)
        {
            printf("%d ",j);
        }
        printf("\n");
    }
    return 0;
}

Logic: