题解 | #求平方根#

import java.util.*;

public class Solution {
    /**
     *
     * @param x int整型
     * @return int整型
     */
    public static void main(String[] args) {
        Scanner sc= new Scanner(System.in);
        System.out.println();
        int input = sc.nextInt();
        sqrt(input);
    }
    public static int sqrt(int x) {
        int y = (int) Math.sqrt(x);
        System.out.println(y);
        return y;
    }
}