~cpp
#include <stdio.h>
#include <conio.h>
void gugudan(int range){
	int i,j;
	for(i=1;i<=9;i++){
			for(j=range;j<=range+3;j++)
				printf("%d * %d = %d\t",j,i,i*j);
			printf("\n");
	}
	printf("\n\n");
}
int main(void){
	
	gugudan(2);
	gugudan(6);

	return 0;
}
----
구구단
Retrieved from http://wiki.zeropage.org/wiki.php/구구단/임다찬
last modified 2021-02-07 05:28:45