编辑代码

#include <stdio.h>
void main(){
    int convert(int);
    int num;
    printf("请输入一个整数：");
    scanf("%d",&num);
    printf("结果为：%d",convert(num));
}
int convert(int num){
    int ultimate,unit;
    while(num){
        unit = num % 10;
        ultimate = ultimate * 10 + unit;
        num = num / 10;
    }
    return ultimate;
}