#include<iostream> using namespace std; int main() { //输入年月日 int year,month,day; cin>>year>>month>>day; //每月的天数 int num[12] = {31,30,31,30,31,30,31,31,30,31,30,31}; //判断闰年 bool isRunNina = false; if(year%100 == 0) { if(year%400 == 0) { isRunNina = true; } } else if(year%4 == ...