C语言二进制输出

#include <stdio,h>int main(){    int i;    int x=0;    int a[32]={0};    printf("请输入一个十进制数字:\n");    scanf("%d",&i);    while(i)    {        a[x] = i%2;        i /= 2;        x++;    }    printf("%d 的二进制结果为:\n",i);    for (int m = 31 ; m >= 0 ; m--)    {        printf("%d",a[m]);    }}