判断闰年的C++程序

#include <iostream>
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using namespace std;
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class ruinian{
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int y;
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bool ck(){
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bool a=false;
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if ((y%2==0 && y%100 !=0) || y%400 ==0)
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a=true;
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return a;
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}
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public:
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int y_in(){
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cin >> y;
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return y;
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}
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int y_out(){
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if (this->ck()){
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cout << this->y << "年是闰年！" <<endl;
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}else{
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cout << this->y << "年不是闰年！" <<endl;
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}
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return 0;
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}
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};
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int main()
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{
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ruinian year;
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cout << "请输入年份：" ;
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year.y_in ();
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year.y_out();
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}
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posted on 2008-05-24 02:18 Keep-trying 阅读(707) 评论(0) 编辑收藏引用