Cod sursa(job #864194)
Utilizator | Data | 24 ianuarie 2013 19:10:36 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.41 kb |
#include <fstream>
using namespace std;
#define MOD 1999999973
fstream f("lgput.in",ios::in), g("lgput.out", ios::out);
int pown(long long x,long long n)
{
if(n==1) return x;
else
if(n%2==0)
return pown((x*x)%MOD, n/2);
else
return pown((x*x)%MOD, (n-1)/2);
}
int main()
{
long long n, p;
f>>n>>p;
g<<pown(n,p);
return 0;
}