383 lines
7.9 KiB
C++
383 lines
7.9 KiB
C++
#include<bits/stdc++.h>
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using namespace std;
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bool run(int year) {
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if (year >= 1582)
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return (year % 4 == 0 && year % 100 != 0) || year % 400 == 0;
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else
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return (year % 4 == 0);
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}
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bool Y(int year) {
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if (year > 0 && year < 10000)
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return true;
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else
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return false;
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}
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bool M(int month) {
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if (month > 0 && month < 13)
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return true;
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else
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return false;
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}
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bool D(int year, int month, int day) {
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int m[13] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
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if (run(year))
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m[2] = 29;
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if (year == 1582 && month == 10 && day >= 5 && day < 15)
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return false;
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if (!(day > 0 && day <= m[month]))
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return false;
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return true;
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}
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int shu(char a[100]) {
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int c, t = strlen(a);
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for (int i = 0; i < t; i++) {
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if (a[i] >= '0' && a[i] <= '9') {
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c++;
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} else {
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return false;
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}
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}
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if (c == t)
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return true;
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}
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int zhou(int year, int month, int day) {
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int a, b = 0;
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int m[13] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
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a = ((year - 1) * 365 + ((year - 1) / 4) - ((year - 1) / 100) + ((year - 1) / 400) + 1) % 7;
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if (year <= 1582) {
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a = ((year - 1) * 365 + ((year - 1) / 4) - ((year - 1) / 100) + ((year - 1) / 400) + 11) % 7;
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}
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if (run(year))
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m[2] = 29;
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if (year == 1582) {
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m[10] = 21;
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}
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for (int i = 1; i < month; i++) {
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a = (a + m[i]) % 7;
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}
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if (year == 1582 && month == 10 && day >= 15) {
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b = (day - 10) % 7;
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} else
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b = (a + day - 1) % 7;
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return b;
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}
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void one(int year, int month) {
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printf("%6d年%6d月\n", year, month);
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cout << "日 一 二 三 四 五 六\n";
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int m[13] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
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if (run(year))
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m[2] = 29;
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int d1 = zhou(year, month, 1);
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int day = 1;
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for (int i = 1; i <= d1; i++) {
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cout << " ";
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}
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while (day <= m[month]) {
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if (year == 1582 && month == 10 && day == 5) {
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day += 10;
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d1 += 11;
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}
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cout << setw(2) << day << " ";
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if ((day + d1 ) % 7 == 0 && day != m[month]) {
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cout << "\n";
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}
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day++;
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}
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cout << "\n";
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}
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//双列
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void two2(int year, int month, int *n) {
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int m[13] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
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if (run(year))
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m[2] = 29;
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int i;
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if (*n == 1) {
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int z = zhou(year, month, 1);
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//if(z==0)z=7;
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for (i = 1; i <= z ; i++) {
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cout << " ";
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}
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}
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for (i = *n ; i <= m[month]; i++) {
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printf ("%3d ", i);
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if ((i + zhou(year, month, 1) ) % 7 == 0 || i == m[month] ) {
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cout << "\n";
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*n = i + 1;
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break;
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}
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}
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}
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void two(int year, int month) {
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int i, n = 1;
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int m[13] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
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if (run(year))
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m[2] = 29;
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printf("%9d年%6d月", year, month);
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printf("%35d年%6d月\n", year, month + 1);
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printf(" 日 一 二 三 四 五 六 日 一 二 三 四 五 六 \n");
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int z = zhou(year, month, 1);
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//if (z == 0)z = 7;
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for (i = 1; i <= z; i++) {
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printf(" ");
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}
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for (i = 1; i <= m[month]; i++) {
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printf("%3d ", i);
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if ((i + zhou(year, month, 1) ) % 7 == 0 || i == m[month]) {
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if (i == m[month]) {
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int w;
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w = 7 - ( (i + zhou(year, month, 1) ) % 7 );
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if (w != 7) {
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for (int i = 1; i <= w; i++)
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printf(" ");
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}
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}
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cout << " ";
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two2(year, month + 1, &n);
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}
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}
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printf(" ");
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two2(year, month + 1, &n);
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}
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//菜单
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int screen() {
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char a[10000];
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int b = 9;
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cout << "万年历菜单：\n";
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cout << "1.查询某年某月某日的日期是周几，该年是否为闰年\n";
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cout << "2.输入年份，单列输出这一年的日历\n";
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cout << "3.输入年份，双列输出这一年的日历\n";
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cout << "4.输入 0 以结束程序\n";
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cout << "请输入你的选择：";
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cin >> a;
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if (strlen(a) > 1) {
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return b;
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} else {
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if (a[0] <= '9' && a[0] >= '0') {
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system("cls");
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b = a[0] - '0';
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return b;
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} else {
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system("cls");
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return b;
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}
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}
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}
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int main() {
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int c;
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char y[100] = {0}, m[100] = {0}, d[100] = {0};
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do {
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c = screen();
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switch (c) {
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case 1: {
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int year, month, day;
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cout << "请输入年份：";
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cin >> y;
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if (strlen(y) > 4) {
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cout << "年份输入错误，请重新输入。\n";
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continue;
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}
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if (shu(y));
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else {
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cout << "年份输入错误，请重新输入。\n";
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continue;
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}
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if (strlen(y) == 4)
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year = 1000 * (y[0] - '0') + 100 * (y[1] - '0') + 10 * (y[2] - '0') + (y[3] - '0');
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if (strlen(y) == 3)
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year = 100 * (y[0] - '0') + 10 * (y[1] - '0') + 1 * (y[2] - '0');
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if (strlen(y) == 2)
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year = 10 * (y[0] - '0') + (y[1] - '0');
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if (strlen(y) == 1)
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year = 1 * (y[0] - '0');
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if (!Y(year)) {
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cout << "年份输入错误，请重新输入。\n";
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continue;
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}
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cout << "请输入月份：";
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cin >> m;
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if (strlen(m) > 2) {
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cout << "月份输入错误，请重新输入。\n";
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continue;
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}
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if (shu(m));
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else {
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cout << "月份输入错误，请重新输入。\n";
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continue;
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}
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if (strlen(m) == 2)
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month = (10 * (m[0] - '0') + (m[1] - '0'));
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if (strlen(m) == 1)
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month = (m[0] - '0');
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if (!M(month)) {
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cout << "月份输入错误，请重新输入。\n";
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continue;
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}
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cout << "请输入日期：";
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cin >> d;
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if (strlen(d) > 2) {
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cout << "日期输入错误，请重新输入。\n";
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continue;
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}
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if (shu(d));
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else {
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cout << "日期输入错误，请重新输入。\n";
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continue;
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}
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if (strlen(d) == 2)
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day = (10 * (d[0] - '0') + (d[1] - '0'));
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if (strlen(d) == 1)
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day = (d[0] - '0');
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if (!D(year, month, day)) {
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cout << "日期输入错误，请重新输入。\n";
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continue;
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}
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int z = zhou(year, month, day);
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if (zhou(year, month, day) == 0)
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z = 7;
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cout << year << "年" << month << "月" << day << "日是星期"
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<< z << "。\n";
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if (run(year)) {
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cout << year << "年是闰年。\n";
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break;
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} else {
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cout << year << "年不是闰年。\n";
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break;
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}
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}
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case 2: {
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int year;
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cout << "请输入年份：";
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cin >> y;
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if (strlen(y) > 4) {
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cout << "年份输入错误，请重新输入。\n";
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continue;
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}
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if (shu(y));
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else {
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cout << "年份输入错误，请重新输入。\n";
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continue;
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}
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if (strlen(y) == 4)
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year = 1000 * (y[0] - '0') + 100 * (y[1] - '0') + 10 * (y[2] - '0') + (y[3] - '0');
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if (strlen(y) == 3)
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year = 100 * (y[0] - '0') + 10 * (y[1] - '0') + 1 * (y[2] - '0');
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if (strlen(y) == 2)
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year = 10 * (y[0] - '0') + (y[1] - '0');
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if (strlen(y) == 1)
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year = 1 * (y[0] - '0');
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if (!Y(year)) {
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cout << "年份输入错误，请重新输入。\n";
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continue;
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}
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for (int month = 1; month <= 12; month++) {
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one(year, month);
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}
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break;
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}
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case 3: {
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int year;
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cout << "请输入年份：";
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cin >> y;
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if (strlen(y) > 4) {
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cout << "年份输入错误，请重新输入。\n";
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continue;
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}
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if (shu(y));
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else {
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cout << "年份输入错误，请重新输入。\n";
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continue;
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}
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if (strlen(y) == 4)
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year = 1000 * (y[0] - '0') + 100 * (y[1] - '0') + 10 * (y[2] - '0') + (y[3] - '0');
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if (strlen(y) == 3)
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year = 100 * (y[0] - '0') + 10 * (y[1] - '0') + 1 * (y[2] - '0');
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if (strlen(y) == 2)
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year = 10 * (y[0] - '0') + (y[1] - '0');
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if (strlen(y) == 1)
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year = 1 * (y[0] - '0');
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if (!Y(year)) {
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cout << "年份输入错误，请重新输入。\n";
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continue;
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}
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for (int month = 1; month <= 12; month += 2) {
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if (year == 1582 && month == 9) {
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month = 11;
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cout << " 1582年 9月 1582年 10月\n 日 一 二 三 四 五 六 日 一 二 三 四 五 六 \n";
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cout << " 1 1 2 3 4 15 16\n";
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cout << " 2 3 4 5 6 7 8 17 18 19 20 21 22 23\n";
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cout << " 9 10 11 12 13 14 15 24 25 26 27 28 29 30\n";
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cout << " 16 17 18 19 20 21 22 31\n";
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cout << " 23 24 25 26 27 28 29\n 30\n";
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}
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two(year, month);
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printf("\n\n");
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}
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break;
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}
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case 0: {
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return 0;
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}
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default:
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cout << "请重新输入。\n";
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}
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} while (true);
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}
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