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);
        while (in.hasNext()) { 
            String str = in.nextLine();
            String[] strings = str.split("\\.");
            double update = Double.parseDouble("0."+strings[1]);
            if(update<0.5) System.out.println(Integer.parseInt(strings[0]));
            else System.out.println(Integer.parseInt(strings[0])+1);
        }
    }
}