74 lines
1.5 KiB
C
74 lines
1.5 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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typedef struct date_s
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{
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int year;
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int month;
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int day;
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} DATE;
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int daysOfMonth(int year, int month)
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{
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switch (month)
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{
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case 2:
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if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0)
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return 29;
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else
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return 28;
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case 4:
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case 6:
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case 9:
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case 11:
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return 30;
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default:
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return 31;
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}
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}
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int sumDays(int year, int month, int day)
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{
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int sum = day;
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for (int i = 1; i < month; i++)
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{
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sum += daysOfMonth(year, i);
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}
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return sum;
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}
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int yearOFdays(int year1, int year2)
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{
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int sum = 0;
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int minYear = (year1 < year2) ? year1 : year2;
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int maxYear = (year1 > year2) ? year1 : year2;
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for (int i = minYear; i < maxYear; i++)
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{
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if ((i % 4 == 0 && i % 100 != 0) || i % 400 == 0)
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sum += 366;
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else
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sum += 365;
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}
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return sum;
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}
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int main()
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{
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DATE day1, day2;
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printf("请输入第一个日期，输入格式为 年,月,日 ");
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scanf("%d,%d,%d", &day1.year, &day1.month, &day1.day);
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printf("请输入第二个日期，输入格式为 年,月,日 ");
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scanf("%d,%d,%d", &day2.year, &day2.month, &day2.day);
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int sumdays1 = sumDays(day1.year, day1.month, day1.day);
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int sumdays2 = sumDays(day2.year, day2.month, day2.day);
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int yearMoreDays = yearOFdays(day1.year, day2.year);
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int days = abs(sumdays1 - sumdays2) + yearMoreDays;
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printf("两个日期的天数差为: %d", days);
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return 0;
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}
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