C Program To Print the Floyd's Triangle

/*
C Program To Print the Floyd's Triangle.
1
2 3
4 5 6
7 8 9 10
*/

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

Enter number of rows: 5
1
2 3
4 5 6
7 8 9 10
11 12 13 14 15

--------------------------------
Process exited after 1.604 seconds with return value 0
Press any key to continue . . .