#include<stdio.h>
#include<stdbool.h>
int main()
{
    int year;
    bool leap;
    while(scanf("%d",year)!=-1)
    {
        if(year%4==0)
        {
            if(year%100==0)
            {
                if(year%400==0)
                    leap=true;
                else
                    leap=false;
            }
            else
                leap=true;
        }
        else
            leap=false;
        if(leap==true)
            printf("%d是闰年\n",year);
        else
            printf("%d不是闰年\n",year);
    }
        return 0;
    }

我用的是vc6.0，所有stdbool不能识别，然后我用了另外一个方法
#include<stdio.h>

int main()
{
    int year,leap;
   
    while(scanf("%d",year)!=-1)
    {
        if(year%4==0)
        {
            if(year%100==0)
            {
                if(year%400==0)
                    leap=1;
                else
                    leap=0;
            }
            else
                leap=1;
        }
        else
            leap=0;
        if(leap)
            printf("%d是闰年\n",year);
        else
            printf("%d不是闰年\n",year);
    }
    return 0;
}

 

但是结果还是不对，哪儿错了呢。

#include<stdio.h>
//#include<stdbool.h>  //1、我这里没这个头文件 屏蔽之

int main()
{
    int year;
    bool leap;
    while(scanf("%d",&year)!=-1)  //2、这里的year变量前缺少寻址符号&
    {
        if(year%4==0)
        {
            if(year%100==0)
            {
                if(year%400==0)
                    leap=true;
                else
                    leap=false;
            }
            else
                leap=true;
        }
        else
            leap=false;
        if(leap==true)
            printf("%d是闰年\n",year);
        else
            printf("%d不是闰年\n",year);
    }
        return 0;
    }

为什么答案是compiled error

上出错图片

#include<stdio.h>
//#include<stdbool.h>  //我这里没这个头文件 屏蔽之

int main()
{
    int year,leap;
    //bool leap;
    while(scanf("%d",&year)!=-1)  //这里的year变量前缺少寻址符号&
    {
        if((year%4==0)||(year%100==0)||(year%400==0))
            leap=1;
        else
            leap=0;
        if(leap==1)
            printf("%d是闰年\n",year);
        else
            printf("%d不是闰年\n",year);
    }
        return 0;
    }

#include<stdio.h>

int main()
{
    int year = 0;
    bool leap;
    while(scanf("%d",&year) != -1)
    {
        if(year % 4 == 0)
        {
            if(year % 100 == 0)
            {
                if(year % 400 == 0)
                    leap = true;
                else
                    leap = false;
            }
            else
                leap = true;
        }
        else
            leap = false;
        if(leap == true)
            printf("%d是闰年\n",year);
        else
            printf("%d不是闰年\n",year);
    }
        return 0;
    }
-----------
给你整理了一下你的代码

是不是有点繁琐啊

一个if语句加逻辑运算不就得了，这样看着多么麻烦啊！
#include <stdio.h>
int leap_year(int year)
{
    if((x%4==0) &&(x%100!=0) ||(x%400==0))
       return 1;
    else
       return 0;
}
int main（）
{  int x = 0;
   printf("输入一个年份\n");
   scanf("%d",&x);
   if(leap_year(x))
      printf("%d是闰年！"x);
   else
      printf("不是闰年");
  return 0;

}

一个if语句加逻辑运算不就得了，这样看着多么麻烦啊！
#include <stdio.h>
int leap_year(int year)
{
    if((x%4==0) &&(x%100!=0) ||(x%400==0))
       return 1;
    else
       return 0;
}
int main（）
{  int x = 0;
   printf("输入一个年份\n");
   scanf("%d",&x);
   if(leap_year(x))
      printf("%d是闰年！"x);
   else
      printf("不是闰年");
  return 0;

}