题解 | #取近似值#

import java.util.Scanner;
public class Main{
    public static void main(String []args){
        Scanner in = new Scanner(System.in);
        float num = in.nextFloat();
        if(num - (float)((int) num) < (float)0.5){
            System.out.print((int)num);
        }
        else{
            System.out.print((int)num + 1);
        }
    }
}