题解 | #计算日期到天数转换#

import java.util.Scanner;

import java.time.LocalDate;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String strDate = scanner.nextLine();
        String[] s = strDate.trim().split(" ");
        int year = Integer.parseInt(s[0]);
        int month = Integer.parseInt(s[1]);
        int day = Integer.parseInt(s[2]);
        LocalDate localDate = LocalDate.of(year, month, day);
        System.out.println(localDate.getDayOfYear());
    }
}