```#include<iostream>
using namespace std;int main(void){int n,m,x[355],run=1;
cin>>n>>m;
if(n+4>m&&n%4!=0){return 0;}
else if(n+4>m&&n%4==0){cout<<1<<endl<<n;return 0;}
else if(n%4==1)n+=3;
else if(n%4==2)n+=2;
else if(n%4==3)n+=1;
while(n<=m){
if(n%100==0&&n%400!=0)n+=4;
else
{
x[run-1]=n;
n+=4;
run++;
}
}
cout<<run-1<<endl;
for(int i=0;i<run-1;i++)cout<<x[i]<<' ';
return 0;}```
by ikun_czy @ 2022-11-15 20:58:36
有可能m<n+4但是m是闰年啊
@[czy888](/user/817033)
by zfj123456 @ 2023-02-08 21:46:42
而且你第二个判断没有是100倍数的判断@[czy888](/user/817033)
by zfj123456 @ 2023-02-08 21:47:40