Mai intai trebuie sa te autentifici.
Cod sursa(job #432067)
Utilizator | Data | 1 aprilie 2010 19:54:23 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.48 kb |
#include<iostream>
#include<fstream>
#define modulo 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long lgput(long long int N, long long int P)
{
if(P==0)
return 1;
else
if(P%2==1)
return (N*lgput(N,(P-1)/2)*lgput(N,(P-1)/2))%modulo;
else
return (lgput(N,P/2)*lgput(N,P/2))%modulo;
}
long long int N,P,result;
int main()
{
fin>>N;
fin>>P;
result=lgput(N,P);
fout<<result;
return 0;
}