[C/C++]十进制转二进制

#include <stdio.h>
#define TWO 2
int main(void){
	int input_number=0;
	scanf("%d",&input_number);
	getchar();
	int bitnum[32]={0};
	for(int i=31,j=input_number;i>=0;i--){
		bitnum[i]=j%TWO;
		j/=TWO;
	}
	printf("%d binary  code is:",input_number);
	for(int i=0;i<=31;++i){
		if(i==8||i==16||i==24)
			printf(" ");
		printf("%d", bitnum[i]);
	}
	printf("\n");
	return 0;
}