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 i=(int)d;
        if(d-i>0.5){
            i+=1;
            System.out.println(i);
        }else{
            System.out.println(i);
        }
    }
}