Cod sursa(job #473278)
Utilizator | Data | 28 iulie 2010 15:39:16 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.36 kb |
#include <fstream>
using namespace std;
const int mod=1999999973;
ifstream in("lgput.in");
ofstream out("lgput.out");
long long power(long long x,long long n)
{
if (!n || x==1)
return 1;
if (n==1)
return x%mod;
return (power((x*x)%mod,n/2)*power(x,n&1))%mod;
}
int main()
{
int n,p;
in>>n>>p;
out<<power(n,p)<<"\n";
return 0;
}