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20150303.cpp
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61 lines (52 loc) · 1.09 KB
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#include <iostream>
using namespace std;
int day[13] = { 0,31,28,31,30,31,30,31,31,30,31,30,31 };//定义每个月的天数
int leapyear(int y)//判断是否为闰年
{
return ((y % 4 == 0 && y % 100 != 0) || y % 400 == 0) ? 1 : 0;
}
int main()
{
std::ios::sync_with_stdio(false);
int a, b, c, y1, y2, sum = 0, days, weekday, d;
cin >> a >> b >> c >> y1 >> y2;
for (int i = 1850; i < y1; i++)//计算从1850年到y1年前一天的总天数
{
sum += 365 + leapyear(i);
}
for (int y = y1; y <= y2; y++)
{
days = sum;
if (leapyear(y))
{
day[2] = 29;//闰年二月29
}
else
{
day[2] = 28;//平年二月28
}
for (int i = 1; i < a; i++)
{
days += day[i];//计算从1850年到y年a月前一天的总天数
}
int weekday = (days + 1) % 7 + 1;//计算y年a月1日的星期数
if (c < weekday)//计算y年的a月第b个星期c是当月的几号
{
d = (b - 1) * 7 + c + 8 - weekday;
}
else
{
d = (b - 1) * 7 + c - weekday + 1;
}
if (d > day[a])
{
printf("none\n");//该年的a月第b个星期c并不存在
}
else
{
printf("%d/%02d/%02d\n", y, a, d);
}
sum += 365 + leapyear(y);//计算从1850年到y+1年前一天的总天数
}
return 0;
}