Cod sursa(job #1417124)
Utilizator | Data | 9 aprilie 2015 17:24:33 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.4 kb |
#include <fstream>
#define MOD 1999999973
using namespace std;
long long putere(long long x, long long n)
{
long long p = 1 ;
while (n > 0)
{
if (n & 1)
{
p *= x%MOD;
n-- ;
}
x = (x * x)%MOD ;
n >>= 1 ;
}
return p ;
}
int main()
{
int n,p;
ifstream f("lgput.in");
ofstream g("lgput.out");
f>>n>>p;
g<<putere(n,p);
return 0;
}