c++——第一次作业2

#include <iostream>using namespace std;int main(){int year, month, days;cout<<"year:";cin>>year;cout<<"month:";cin>>month;/**********Program**********/int a;if(year%4==0){if(year%100==0){if(year%400==0){a=1;}else a=0;}}else a=0;switch(month){case 1: days=31;break;case 2: days=28+a;break;case 3: days=31;break;case 4: days=30;break;case 5: days=31;break;case 6: days=30;break;case 7: days=31;break;case 8: days=31;break;case 9: days=30;break;case 10: days=31;break;case 11: days=30;break;case 12: days=31;break;}/**********  End  **********/cout<<"days:"<<days<<endl;return 0;}