题解 | 平方根
平方根
https://www.nowcoder.com/practice/cd21e09482f24b03842f02ae3d403cad
import java.util.Scanner;
public class Main{
public static void main(String []args){
Scanner sc = new Scanner(System.in);
int n = sc.nextInt();
System.out.printf("%d",(int)Math.sqrt(n));
}
}
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