Cod sursa(job #2165831)
| Utilizator | Data | 13 martie 2018 13:52:31 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.63 kb |
#include <iostream>
#include <fstream>
#define mod 1999999973
using namespace std;
ifstream fin ("lgput.in");
ofstream fout ("lgput.out");
unsigned int n, p, af;
unsigned int putere ( int n, int p )
{
if ( p == 0 )
{
return 1;
}
else
{
unsigned int x = putere ( n, p / 2 );
if ( p % 2 == 0 )
{
return ( ( x % mod ) * ( x % mod ) ) % mod;
}
else
{
return ( ( x % mod ) * ( x % mod ) * ( n % mod ) ) % mod;
}
}
}
int main()
{
fin >> n;
fin >> p;
af = putere ( n, p );
fout<< af;
}
