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 发表于 2022-4-5 17:45:13
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| #include<iostream> 
 using namespace std;
 
 int main()
 {
 int n,m;
 cin>> n;
 if(n%4==0)
 {
 if(n%100!=0)
 cout << "It's a 普通闰年"<<endl;
 else if(n%400==0)
 cout << "It's a 世纪闰年"<<endl;
 else
 cout << "It isn't a 闰年"<<endl;
 }
 else
 {
 cout << "It isn't a 闰年"<< endl;
 }
 
 return 0;
 }
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