39 lines
1.1 KiB
C++
39 lines
1.1 KiB
C++
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#include <bits/stdc++.h>
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using namespace std;
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// 判断是不是闰年
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bool isRun(int year) {
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return year % 4 == 0 && year % 100 != 0 || year % 400 == 0;
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}
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// 获取每个月的天数
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int getDays(int year, int month) {
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int days[] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
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return days[month] + (month == 2 && isRun(year));
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}
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// 获取星期几
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int getXq(int year, int month, int day) {
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// 我们知道2024年1月1号是星期一
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// year>=2024
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// 计算2024年1月1号到year年month月day日的天数 2025
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int days = 0;
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for (int i = 2024; i < year; i++)
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days += 365 + isRun(i);
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for (int i = 1; i < month; i++)
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days += getDays(year, i);
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days += day;
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return days % 7;
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}
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int main() {
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// 初始化2024年1月1号至2025年12月31号
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for (int year = 2024; year <= 2025; year++) {
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for (int month = 1; month <= 12; month++) {
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int days = getDays(year, month);
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for (int day = 1; day <= days; day++)
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cout << year << " " << month << " " << day << " "
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<< getXq(year, month, day) << endl;
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}
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}
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return 0;
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}
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