【Ｃ＋＋】判斷是否為閏年，是該年的哪一天

標籤：c++   閏年   天數   函數   

//判斷是否為閏年，是該年的哪一天#include <iostream>using namespace std;int sum(int month,int day);int leap(int year);int main(){int year,month,day;cout<<"請輸入一個日期: ";   cin>>year>>month>>day;int days=sum(month,day);if(leap(year)&&month>2)days++;cout<<year<<"年"<<month<<"月"<<day<<"日是這一年的第"<<days<<"天。\n";if(year%4==0&&year%100!=0||year%400==0)cout<<"該年是閏年";else cout<<"該年不是閏年";}int sum(int month,int day){int day_month[13]={0,31,28,31,30,31,30,31,31,30,31,30,31};for(int i=1;i<month;i++)day+=day_month[i];return day;}int leap(int year){int leap=year%4==0&&year%100!=0||year%400==0;return leap;}

【Ｃ＋＋】判斷是否為閏年，是該年的哪一天