题解 | #取近似值#

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        double num=in.nextDouble();
        int num1=(int)num;
        double diff=num-num1;
        int res;
        if(diff>=0.5)res=num1+1;
        else res=num1;
        System.out.print(res);
    }
}