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;
        if((d - 0.5) < Math.floor(d))
        {
            i = (int)Math.floor(d);
        }
        else
        {
            i = (int)Math.ceil(d);
        }

        System.out.println(i);
    }
}