C語言實驗——計算表達式
Problem Description
Input
Output
Sample Input
3 2
Sample Output
2.00
Hint
Source
//package leslie;
import java.util.*;
public class Main {
public static double F(int x,int n)
{
double ans=Math.sqrt(1+x);
for(int i=2;i<=n;i++)
ans=Math.sqrt(ans+i);
return ans;
}
public static void main(String[] args) {
Scanner cin = new Scanner(System.in);
int x=cin.nextInt();
int n=cin.nextInt();
System.out.printf("%.2f\n",F(x,n));
}
}