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......
    //整数部分
    int i = (int)d;
    //对一取余获得小数部分（四舍五入）
    double b = d%1;
    if(b > 0.5){
        i += 1;
    }
    System.out.println(i);
}

}