//---------------------------------------------------------------------------
//15Àå µµÀü2

#include <stdio.h>
#include <stdlib.h>

int trans_binary(int *a, char b[]);
void ReverseIndex(char *InNum, int *ArSize, char a[]);

//------------------------------------------------------------------------------
int main()
{
	int i, Num;
	char TheRest[50];
	int Array_Size = 0;

	printf("¼ýÀÚ¸¦ ÀÔ·ÂÇϼ¼¿ä : ");
	scanf("%d", &Num);


	Array_Size = trans_binary(&Num, TheRest);

	printf("¹è¿­ÀÇ Å©±â´Â %d ÀÔ´Ï´Ù. ", Array_Size);

	ReverseIndex(&Num, &Array_Size, TheRest);


	system("pause");
	return 0;
}
//------------------------------------------------------------------------------

int trans_binary(int *a, char b[])
{
	int i, ArraySize;
	char temp = *a;

	for(i=0; temp != 0; i++)
	{
		b[i] = temp%2;
		temp /= 2;
	}

	ArraySize = i+1;

	return ArraySize;
//	ReverseIndex(, &ArraySize, b);

}
//------------------------------------------------------------------------------
void ReverseIndex(char *InNum, int *ArSize, char a[])
{
	int i;
	char buf;
	int Size = *ArSize;

	for(i=0; i<(Size/2); i++)
	{
		buf
		 = a[i];
		a[i] = a[Size-i-1];
		a[Size-i-1] = buf;
	}

	printf("ÀÔ·ÂÇÑ ¼ö %d ÀÇ 2Áø¼ö °ªÀº ", *InNum);

	for(i=0; i<Size; i++)
		printf("%d", a[i]);
}
//------------------------------------------------------------------------------