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- #include <stdio.h>
- #include <time.h>
- //获取公历年初至某整月的天数
- int year_sumday(int year,int month)
- {
- int sum=0;
- int rui[12]={31,29,31,30,31,30,31,31,30,31,30,31};
- int ping[12]={31,28,31,30,31,30,31,31,30,31,30,31};
- int ruiflag=0;
- if((year%4==0 &&year%100!=0) || year%400==0) ruiflag=1;
- for(int index=0;index<month-1;index++)
- {
- if(ruiflag==1) sum+=rui[index];else sum+=ping[index];
- }
- return sum;
- }
- //获取公历年的天数
- int year_alldays(int year)
- {
- if((year%4==0 && year%100!=0) || year%400==0) return 366; else return 365;
- }
- //获取公历年某月某日至年末的天数
- int year_half_sumday(int year,int month,int day)
- {
- return year_alldays(year)-year_sumday(year,month)-day;
- }
- //获取从出生年月日至当前日期的总天数
- int get_g_alldays(int year,int month,int day)
- {
- struct tm t;
- time_t now;
- time(&now);
- localtime_s(&t,&now);
- int cur_year=t.tm_year+1900;
- int cur_month=t.tm_mon+1;
- int cur_day=t.tm_mday;
- int days=year_half_sumday(year,month,day);
- year++;
- while(year<cur_year)
- {
- days+=year_alldays(year);
- year++;
- }
- int days2=year_sumday(cur_year,cur_month);
- return days+days2+cur_day;
- }
- //获取从出生年月日至若干年后的总天数
- int get_n_alldays(int year,int month,int day,int next_year)
- {
- int days=year_half_sumday(year,month,day);
- year++;
- while(year<next_year)
- {
- days+=year_alldays(year);
- year++;
- }
- int days2=year_sumday(next_year,month);
- return days+days2+day;
- }
- int main()
- {
- int cur_days=get_g_alldays(1975,12,23);
- printf("你已经活了%d 天 .........",cur_days);
- int remain_days=get_n_alldays(1975,12,23,1975+80)-cur_days;
- printf("你还能活%d 天\n",remain_days);
- return 0;
-
- }
复制代码
PS D:\001> ./w2
你已经活了16938 天 .........你还能活12282 天 |
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