```c #include <stdio.h> struct Date { int year; int month; int day; }; int isLeapYear(int year) { if ((year % 4 == 0 && year % 100!= 0) || year % 400 == 0) { return 1; } return 0; } int daysInMonth(int month, int year) { int days; switch (month) { case 1: case 3: case 5: case 7: case 8: case 10: case 12: days = 31; break; case 4: case 6: case 9: case 11: days = 30; break; case 2: if (isLeapYear(year)) { days = 29; } else { days = 28; } break; } return days; } int main() { struct Date date; scanf("%d%d%d", &date.year, &date.month, &date.day); int days = 0; for (int i = 1; i < date.month; i++) { days += daysInMonth(i, date.year); } days += date.day; printf("%d\n", days); return 0; } ``` [2024-10-30 16:15:15 | AI写代码神器 | 362点数解答]