用递归实现十进制转换为二进制

#include <stdio.h>void zhuanhuan(int i){int b; b = i%2;if(i<2){printf("%d",b);}else{i = i/2;zhuanhuan(i);printf("%d",b);}}int main(void){int i = 0;scanf("%d",&i);int a = 2;zhuanhuan(i);return 0;}