Basic programming topics set 7-20 print ninety-nine formulas table (15 points)

#include <stdio.h>
int main()
{
    int N;
    int i, j;
    scanf("%d", &N);
    for (j = 1; j <= N; j++)
    {
        for (i = 1; i <= j; i++)
            printf("%d*%d=%-4d", i, j, i * j);
        printf("\n");
    }
}