题解 | #求近似值#

public class Main {
    public static void main(String[] args) {
        double x = 0.5;
        Scanner sc = new Scanner(System.in);
        double y = sc.nextDouble();
        int m = (int)y;   //得到整数部分相减与0.5比大小
        if ((y-m)>=0.5){
            System.out.println(m+1);
        }else {
            System.out.println(m);
        }
    }
}