#include <iostream> using namespace std; int month_day[13] = {0,31,28,31,30,31,30,31,31,30,31,30,31}; //计算某年的天数 int year_days(int year){ if(year % 4 == 0 && year % 100 != 0 || year % 400 == 0) return 366; return 365; } //距离下一年的天数 int distance_days(int year,int month,int day){ int days ...