#include<stdio.h>

void main() {
    int rows, columns;
    int i, j;
    
    printf("n Enter Number Of Rows: ");
    scanf("%d", &rows);
    printf("n Enter Number Of Columns: ");
    scanf("%d", &columns);
    
    printf("n %dx%d Matrix n",rows, columns);
    for (i = 1; i <= rows; i++) {
        for (j = 1; j <= columns; j++) {
            printf("t %d", i * j);
        }
        printf("n");
    }
}

Enter Number Of Rows: 10
Enter Number Of Columns: 10
10x10 Matrix 
	 1	 2	 3	 4	 5	 6	 7	 8	 9	 10
	 2	 4	 6	 8	 10	 12	 14	 16	 18	 20
	 3	 6	 9	 12	 15	 18	 21	 24	 27	 30
	 4	 8	 12	 16	 20	 24	 28	 32	 36	 40
	 5	 10	 15	 20	 25	 30	 35	 40	 45	 50
	 6	 12	 18	 24	 30	 36	 42	 48	 54	 60
	 7	 14	 21	 28	 35	 42	 49	 56	 63	 70
	 8	 16	 24	 32	 40	 48	 56	 64	 72	 80
	 9	 18	 27	 36	 45	 54	 63	 72	 81	 90
	 10	 20	 30	 40	 50	 60	 70	 80	 90	 100