Cod sursa(job #1776130)
| Utilizator | Data | 10 octombrie 2016 22:51:09 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.4 kb |
#include <iostream>
#include<fstream>
using namespace std;
#define RR 1999999973
long long n,p;
long long P(long long x,long long k)
{
if(k==1)return (x%RR);
if (k-k/2*2>0)return((P(x,k-1),x)%RR);
else return ((P(x,k/2)*P(x,k/2))%RR);
}
int main()
{
ifstream f("lgput.in");
f>>n>>p;
f.close();
n=P(n,p);
ofstream g("lgput.out");g<<n;g.close();
return 0;
}
