Cod sursa(job #2014199)
Utilizator | Data | 23 august 2017 09:40:38 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.49 kb |
//#include <iostream>
#include <fstream>
using namespace std;
const long long mod=1999999973;
long long putere(long long n,long long e)
{
long long prod;
if(e%2==1)
prod=n;
else
prod=1;
if(e>1)
{
e/=2;
n*=n;
n%=mod;
prod*=putere(n,e);
}
return prod;
}
ifstream cin("lgput.in");
ofstream cout("lgput.out");
int main()
{
long long n,e;
cin>>n>>e;
cout<<putere(n,e);
return 0;
}