#include <stdio.h>
 
int main(void)
{
	int i = 0, j = 0;
	int group = 0, left = 0, right = 0;		// 그룹의 수가 층의 수가 된다.
	int width = 0, min_width = 0, max_width = 0, add_width = 0, num_of_add_width = 0;
 
	fputs("몇 줄에 출력할지 숫자 입력 : ", stdout);
	scanf("%d", &group);
	putc('\n', stdout);
 
	left = 2;
	min_width = 8 / group;
	num_of_add_width = 8 % group;
 
	for (i = 0; i < group * 9; i++)
	{
		add_width = (num_of_add_width * 9 > i ? 1 : 0);
		width = min_width + add_width;
		right = i % 9 + 1;
		max_width = (num_of_add_width != 0) ? min_width + 1 : min_width;
		left = (i / 9)*max_width + 2;
 
		if (i != 0 && i % 9 == 0)
			putc('\n', stdout);
 
		for (j = 0; j < width; j++)
		{
			printf("%d*%d=%3d  ", left + j, right, (left + j)*right);
		}
		putc('\n', stdout);
	}
 
	return 0;
}

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6