ch7_20.c

C语言程序设计上机指导与练习 冶金工业出版社 刘怀亮

/*CH7_20*/
#include<stdio.h>
void bin(int n);
void main()
{
	int dec;
	printf("enter a num arrange from 0 to 1023\n");
	scanf("%d",&dec);
	while(dec<0||dec>1023)
	{
		printf("enter a num arrange from 0 to 1023\n");
		scanf("%d",&dec);
	}
	bin(dec);
	printf("\n");
}/*main()*/
void bin(int n)
{
	if(n/2>0) bin(n/2);
	printf("%d",n%2);
}/*bin()*/