Cod sursa(job #2165813)
Utilizator | Turturica Dorin Turturica_Dorin | Data | 13 martie 2018 13:47:35 |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 30 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.56 kb |
#include <iostream>
#include <fstream>
#define mod 1999999973
using namespace std;
ifstream fin ("lgput.in");
ofstream fout ("lgput.out");
long long n, p;
long long putere ( int n, int p )
{
if ( p == 0 )
{
return 1;
}
else
{
long long x = putere ( n, p / 2 );
if ( p % 2 == 0 )
{
return ( x * x ) % mod;
}
else
{
return ( x * x * n ) % mod;
}
}
}
int main()
{
fin >> n;
fin >> p;
fout<< putere( n, p );
}