Cod sursa(job #1508245)
Utilizator | Postolache Alex alex1096 | Data | 22 octombrie 2015 14:01:40 |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.46 kb |
#include <iostream>
#include <fstream>
using namespace std;
const long long mod = 1999999973;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long pow(long long n, long long p)
{
if(p == 0)
return 1;
if(p == 1)
return n;
int y = pow(n,p/2)%mod;
if(p%2)
return (y*y*n)%mod;
else
return (y*y)%mod;
}
int main()
{
long long n,p;
fin>>n>>p;
fout<<pow(n,p);
return 0;
}