Cod sursa(job #1384380)
| Utilizator | Data | 11 martie 2015 07:59:41 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.47 kb |
#include <iostream>
#include <fstream>
using namespace std;
const int MOD = 1999999973;
long long N,P;
long long lgpow(long long x,long long P)
{
if(P==0)
return 1;
if(P==1)
return (1LL*x)%MOD;
if(P%2==0)
return (1LL*lgpow(x*x,P/2))%MOD;
else
return (1LL*x*lgpow(x*x,(P-1)/2))%MOD;
}
int main()
{
ifstream in("lgput.in");
ofstream out("lgput.out");
in>>N>>P;
out<<lgpow(N,P);
return 0;
}
