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();
        int a = (int) d;
        if(a+0.5<d)
        {
            System.out.println(a+1);
        }
     else
     {
        System.out.println(a);
     }
        

        
    }
}