181 lines
7.3 KiB
C
181 lines
7.3 KiB
C
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#include <stdio.h>
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#include <string.h>
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#include <cstdlib>
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static unsigned int LunarCalendarDay;
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static unsigned int LunarCalendarTable[199] =
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{
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0x04AE53,0x0A5748,0x5526BD,0x0D2650,0x0D9544,0x46AAB9,0x056A4D,0x09AD42,0x24AEB6,0x04AE4A,/*1901-1910*/
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0x6A4DBE,0x0A4D52,0x0D2546,0x5D52BA,0x0B544E,0x0D6A43,0x296D37,0x095B4B,0x749BC1,0x049754,/*1911-1920*/
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0x0A4B48,0x5B25BC,0x06A550,0x06D445,0x4ADAB8,0x02B64D,0x095742,0x2497B7,0x04974A,0x664B3E,/*1921-1930*/
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0x0D4A51,0x0EA546,0x56D4BA,0x05AD4E,0x02B644,0x393738,0x092E4B,0x7C96BF,0x0C9553,0x0D4A48,/*1931-1940*/
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0x6DA53B,0x0B554F,0x056A45,0x4AADB9,0x025D4D,0x092D42,0x2C95B6,0x0A954A,0x7B4ABD,0x06CA51,/*1941-1950*/
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0x0B5546,0x555ABB,0x04DA4E,0x0A5B43,0x352BB8,0x052B4C,0x8A953F,0x0E9552,0x06AA48,0x6AD53C,/*1951-1960*/
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0x0AB54F,0x04B645,0x4A5739,0x0A574D,0x052642,0x3E9335,0x0D9549,0x75AABE,0x056A51,0x096D46,/*1961-1970*/
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0x54AEBB,0x04AD4F,0x0A4D43,0x4D26B7,0x0D254B,0x8D52BF,0x0B5452,0x0B6A47,0x696D3C,0x095B50,/*1971-1980*/
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0x049B45,0x4A4BB9,0x0A4B4D,0xAB25C2,0x06A554,0x06D449,0x6ADA3D,0x0AB651,0x093746,0x5497BB,/*1981-1990*/
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0x04974F,0x064B44,0x36A537,0x0EA54A,0x86B2BF,0x05AC53,0x0AB647,0x5936BC,0x092E50,0x0C9645,/*1991-2000*/
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0x4D4AB8,0x0D4A4C,0x0DA541,0x25AAB6,0x056A49,0x7AADBD,0x025D52,0x092D47,0x5C95BA,0x0A954E,/*2001-2010*/
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0x0B4A43,0x4B5537,0x0AD54A,0x955ABF,0x04BA53,0x0A5B48,0x652BBC,0x052B50,0x0A9345,0x474AB9,/*2011-2020*/
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0x06AA4C,0x0AD541,0x24DAB6,0x04B64A,0x69573D,0x0A4E51,0x0D2646,0x5E933A,0x0D534D,0x05AA43,/*2021-2030*/
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0x36B537,0x096D4B,0xB4AEBF,0x04AD53,0x0A4D48,0x6D25BC,0x0D254F,0x0D5244,0x5DAA38,0x0B5A4C,/*2031-2040*/
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0x056D41,0x24ADB6,0x049B4A,0x7A4BBE,0x0A4B51,0x0AA546,0x5B52BA,0x06D24E,0x0ADA42,0x355B37,/*2041-2050*/
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0x09374B,0x8497C1,0x049753,0x064B48,0x66A53C,0x0EA54F,0x06B244,0x4AB638,0x0AAE4C,0x092E42,/*2051-2060*/
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0x3C9735,0x0C9649,0x7D4ABD,0x0D4A51,0x0DA545,0x55AABA,0x056A4E,0x0A6D43,0x452EB7,0x052D4B,/*2061-2070*/
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0x8A95BF,0x0A9553,0x0B4A47,0x6B553B,0x0AD54F,0x055A45,0x4A5D38,0x0A5B4C,0x052B42,0x3A93B6,/*2071-2080*/
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0x069349,0x7729BD,0x06AA51,0x0AD546,0x54DABA,0x04B64E,0x0A5743,0x452738,0x0D264A,0x8E933E,/*2081-2090*/
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0x0D5252,0x0DAA47,0x66B53B,0x056D4F,0x04AE45,0x4A4EB9,0x0A4D4C,0x0D1541,0x2D92B5 /*2091-2099*/
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};
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static int MonthAdd[12] = { 0,31,59,90,120,151,181,212,243,273,304,334 };
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static int LunarCalendar(int year, int month, int day)
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{
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int Spring_NY, Sun_NY, StaticDayCount;
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int index, flag;
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//Spring_NY 记录春节离当年元旦的天数。
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//Sun_NY 记录阳历日离当年元旦的天数。
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if (((LunarCalendarTable[year - 1901] & 0x0060) >> 5) == 1)
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Spring_NY = (LunarCalendarTable[year - 1901] & 0x001F) - 1;
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else
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Spring_NY = (LunarCalendarTable[year - 1901] & 0x001F) - 1 + 31;
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Sun_NY = MonthAdd[month - 1] + day - 1;
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if ((!(year % 4)) && (month > 2))
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Sun_NY++;
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//特殊处理2025年4月28日-2025年5月26日
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if (year == 2025 && ((month == 4 && day >= 28) || (month == 5 && day <= 26))) {
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Sun_NY--;
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}
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// 特殊处理2025年4月27日
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if (year == 2025 && month == 4 && day == 27) {
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LunarCalendarDay = (3 << 6) | 30;
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return 0;
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}
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//StaticDayCount记录大小月的天数 29 或30
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//index 记录从哪个月开始来计算。
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//flag 是用来对闰月的特殊处理。
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//判断阳历日在春节前还是春节后
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if (Sun_NY >= Spring_NY)//阳历日在春节后（含春节那天）
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{
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Sun_NY -= Spring_NY;
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month = 1;
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index = 1;
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flag = 0;
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int leap_month = (LunarCalendarTable[year - 1901] & 0xF00000) >> 20;
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while (1) {
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if ((LunarCalendarTable[year - 1901] & (0x80000 >> (index - 1))))
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StaticDayCount = 30;
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else
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StaticDayCount = 29;
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if (Sun_NY < StaticDayCount)
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break;
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Sun_NY -= StaticDayCount;
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if (month == leap_month && !flag) {
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flag = 1; // 遇到闰月，处理闰月
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int leapDays = ((LunarCalendarTable[year - 1901] & (0x80000 >> (index))) ? 30 : 29);
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if (Sun_NY < leapDays) {
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// 闰月内
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month = leap_month;
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flag = 1;
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break;
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}
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else {
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Sun_NY -= leapDays;
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index++;
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}
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}
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index++;
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month++;
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}
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day = Sun_NY + 1;
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}
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else //阳历日在春节前
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{
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Spring_NY -= Sun_NY;
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year--;
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month = 12;
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if (((LunarCalendarTable[year - 1901] & 0xF00000) >> 20) == 0)
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index = 12;
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else
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index = 13;
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flag = 0;
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if ((LunarCalendarTable[year - 1901] & (0x80000 >> (index - 1))) == 0)
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StaticDayCount = 29;
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else
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StaticDayCount = 30;
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while (Spring_NY > StaticDayCount)
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{
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Spring_NY -= StaticDayCount;
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index--;
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if (flag == 0)
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month--;
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if (month == ((LunarCalendarTable[year - 1901] & 0xF00000) >> 20))
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flag = ~flag;
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if ((LunarCalendarTable[year - 1901] & (0x80000 >> (index - 1))) == 0)
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StaticDayCount = 29;
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else
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StaticDayCount = 30;
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}
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day = StaticDayCount - Spring_NY + 1;
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}
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LunarCalendarDay |= day;
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LunarCalendarDay |= (month << 6);
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if (month == ((LunarCalendarTable[year - 1901] & 0xF00000) >> 20))
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return 1;
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else
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return 0;
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}
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// char *to_luanr(int year,int month,int day)
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void to_luanr(int year, int month, int day)
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{
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const char* ChDay[] = { "*","初一","初二","初三","初四","初五",
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"初六","初七","初八","初九","初十",
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"十一","十二","十三","十四","十五",
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"十六","十七","十八","十九","二十",
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"廿一","廿二","廿三","廿四","廿五",
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"廿六","廿七","廿八","廿九","三十"
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};
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const char* ChMonth[] = { "*","正","二","三","四","五","六","七","八","九","十","十一","腊" };
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// char *str;
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// str = (char *)lv_mem_alloc(15);
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char str[15];
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memset(str, 0, 15);
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LunarCalendarDay = 0;
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if (LunarCalendar(year, month, day))
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{
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strcat(str, "闰");
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strcat(str, ChMonth[(LunarCalendarDay & 0x3C0) >> 6]);
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}
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else
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strcat(str, ChMonth[(LunarCalendarDay & 0x3C0) >> 6]);
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strcat(str, "月");
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strcat(str, ChDay[LunarCalendarDay & 0x3F]);
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printf("str:%s\n", str);
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// return str; //记得lv_mem_free(str);
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}
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int main(int argc, char* argv[]) {
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if (argc != 4) {
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printf("Usage: %s <year> <month> <day>\n", argv[0]);
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return 1;
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}
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int year = atoi(argv[1]);
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int month = atoi(argv[2]);
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int day = atoi(argv[3]);
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if (year < 1901 || year > 2099 || month < 1 || month > 12 || day < 1 || day > 31) {
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printf("Invalid date. Please provide a valid year (1901-2099), month (1-12), and day (1-31).\n");
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return 1;
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}
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to_luanr(year, month, day);
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return 0;
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}
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