题解 | #取近似值#

import java.math.BigDecimal;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
//        while(in.hasNextLine()){
        	float n = in.nextFloat();
        	int out = new BigDecimal(n).setScale(0, BigDecimal.ROUND_HALF_UP).intValue();
            System.out.println(out);
//        }
        in.close();
    }
}