题解 | #四舍五入#

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        double d = scanner.nextDouble();

        //write your code here......
        int i = 0;
        if (d > 0) {
            i = (int)(d + 0.5);
        } else {
            i = (int)(d - 0.5);
        }
        System.out.println(i);
    }
}
#小白编程入门#