[정올 2815] 10진수를 2진수로

http://www.jungol.co.kr/bbs/board.php?bo_table=pbank&code=2815 

JUNGOL

#include <stdio.h>

int N, cnt, R;
int bin[32];

int main(void)
{
	cnt = 31;
	scanf("%d", &N);

	while (N)
	{
		R = N % 2;
		N /= 2;
		bin[cnt--] = R;
	}

	for (int i = cnt + 1; i < 32; i++)                                                                                                                                                                                                                                                                                                                                                 
	{
		printf("%d", bin[i]);
	}

	return 0;
}