Cod sursa(job #1268964)
Utilizator | Data | 21 noiembrie 2014 18:26:13 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.37 kb |
#include <fstream>
#include<iostream>
using namespace std;
int mod=2000000000-27;
long long f(long long b, long long e){
if(e==0)
return 1;
if(e%2!=0)
return b*f(b,(e-1))%mod;
if(e%2==0)
return f(b,e/2)*f(b,e/2)%mod;
}
int main() {
int n,p;
ifstream in("lgput.in");
ofstream g("lgput.out");
in>>n>>p;
g<<f(n,p)<<"\n";
in.close();
g.close();
return 0;
}