Poj 2109.txt

//------poj2109
#include <stdio.h>
#include <string.h>
#include <iostream>
#include <cmath>
#include <algorithm>

using namespace std;


int main(){

    double n,k,p;
    while(scanf("%lf%lf",&n,&p) != EOF){
        printf("%0.f\n",exp(log(p)/n));	//注意  f  
    }

    return 0;
}

//float 的范围为-2^128 ~ +2^127，也即-3.40E+38 ~ +3.40E+38；
//double 的范围为-2^1024 ~ +2^1023，也即-1.79E+308 ~ +1.79E+308