Calculate Square of 'n' numbers

#include<stdio.h>

int main()
{
    int n, r, i, sqr = 0;

    printf("\nENTER THE RANGE.:= ");
    scanf("%d", &r);

    for (i = 1; i <= r; i++)
    {

        n = i;
        sqr = n * n;
        printf("\nSQUARE OF %d is %d .", n, sqr);

    }

    return 0;

}

OUTPUT

ENTER THE RANGE.:= 5

SQUARE OF 1 is 1 .
SQUARE OF 2 is 4 .
SQUARE OF 3 is 9 .
SQUARE OF 4 is 16 .
SQUARE OF 5 is 25 .