開方數(shù)

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import java.util.Scanner;    public class Main{      public static void main(String[] args){          int n;          double p;          Scanner cin = new Scanner(System.in);          while(true){              n = cin.nextInt();              p = cin.nextDouble();              if(n == 0 && p == 0) break;              System.out.PRintf("%.0f/n", Math.pow(p, 1.0/n));          }      }  }