题解 | #取近似值#

import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        double num = scanner.nextDouble();
        int n = (int) num;
        if ((num - n) >= 0.5) {
            System.out.println(n + 1);
        } else {
            System.out.println(n);
        }
    }
}