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 e = (int) d;
        double f = (double) e;
        if(d - f >= 0.5){
            e = e + 1;
        }
        
        System.out.println(e);
    }
}