Cod sursa(job #432040)
| Utilizator | Data | 1 aprilie 2010 19:23:10 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
| 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");
int lgput(int N, int P)
{
if(P==1)
return N%modulo;
else
if(P==2)
return (N*N)%modulo;
else
{
if(P%2==0)
return (lgput(N,P/2))%modulo;
else
return (lgput(N,P/2)*N)%modulo;
}
}
int N,P,result;
int main()
{
fin>>N;
fin>>P;
result=lgput(N,P);
result*=result;
fout<<result;
return 0;
}