69 lines
1.7 KiB
C++
69 lines
1.7 KiB
C++
#include <bits/stdc++.h>
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using namespace std;
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/*
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2015 1 4
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*/
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int months_1[13] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
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int months_2[13] = {0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
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bool LeapYear(int year) {
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return ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0);
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}
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/*
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2023 1 1 --> 7
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2023 7 1 --> 6
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2023 7 7
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2023 5 7 --->1?
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*/
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int main() {
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// 1、是不是需要判断闰年？
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int year, month;
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int ydxq, month_1_xq;
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// 2、year年1月1日 是星期xq
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cin >> year >> month >> ydxq;
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cout << "S M T W T F S" << endl;
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int days = 0;
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if (LeapYear(year)) {
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// 比如month=5,要的是5月1号的，应该是1~4月份相加的和
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for (int i = 1; i < month; i++) days += months_2[i];
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} else {
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for (int i = 1; i < month; i++) days += months_1[i];
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}
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// days含义：days就是当前年份的第几天-1
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month_1_xq = (ydxq + days) % 7;
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// 是指定月份的第1天是星期几0~6
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// cout << month_1_xq << endl;
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// 打空格
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for (int i = 1; i <= month_1_xq; i++) cout << " ";
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// 打第一行的剩余日期
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// 1~ 6
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// 2~ 5
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// 3~ 4
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// 4~ 3
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// 5~ 2
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// 6~ 1
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// 0~ 7
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for (int i = 1; i <= 7 - month_1_xq; i++) printf("%-4d", i);
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cout << endl;
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int this_month_days = 0;
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if (LeapYear(year)) {
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this_month_days = months_2[month];
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} else {
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this_month_days = months_1[month];
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}
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int cnt = 0;
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for (int i = 7 - month_1_xq + 1; i <= this_month_days; i++) {
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cnt++;
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printf("%-4d", i);
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if (cnt % 7 == 0) cout << endl;
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}
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return 0;
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} |