Cod sursa(job #1506933)
Utilizator | Data | 21 octombrie 2015 08:21:27 | |
---|---|---|---|
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;
ifstream f("lgput.in");
ofstream g("lgput.out");
long long n,p,m=1999999973;
long long R(long long x,long long p)
{
if(p==0)return 1;
if(p==1)return x;
if(p%2==0)
return R(x*x,p/2)%m;
if(p%2==1)
return (x * R(x*x,(p-1)/2))%m;
}
int main()
{
f>>n>>p;
g<<R(n%m,p)%m;
return 0;
}