题解 | 四季

#include <iostream>
using namespace std;

int main() {
    int a;
    cin>>a;
    a%=100;
    if(a>=12)
    cout<<"winter";
    else if(a>=9)cout<<"autumn";
    else if(a>=6)cout<<"summer";
    else if(a>=3)cout<<"spring";
    else cout<<"winter";
    return 0;}
// 64 位输出请用 printf("%lld")