1154. 一年中的第几天

---

C代码：

int dayOfYear(char * date){int year = atoi(date);int month = atoi(date + 5);  // 2019-01-09int day = atoi(date + 8);int amount[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};if (year % 400 == 0 || (year % 4 == 0 && year % 100 != 0)) { // 2000 2004年时闰年++amount[1];}int ans = 0;for (int i = 0; i < month - 1; ++i) {ans += amount[i];}return ans + day;
}