POJ2109 Power of Cryptography
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http://poj.org/problem?id=2109
题意:输入n、p,求满足k^n=p的k。
这题武大怎么归成贪心了。。。。。
#include<iostream>#include<cstdio>#include<cstring>#include<cstdlib>#include<vector>#include<algorithm>#include<map>#include<cmath>using namespace std;int main(){ freopen("a","r",stdin); double n,p; while (cin>>n>>p) { double ans=pow(p,1/n); cout<<(int)(ans+0.5)<<endl; } return 0;}
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