Cod sursa(job #661068)
| Utilizator | Data | 13 ianuarie 2012 18:48:47 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.44 kb |
#include<fstream>
using namespace std;
const long modul= 1999999973;
long long n,p,x,y,rezultat;
long long putere( long long x, long long y)
{
int i;
if (y==0) return 1;
else
if (y%2==0){
i=putere(x,y/2);
return ((i*i)%modul);
}
else return ((x*putere(x,(y-1))%modul)%modul);
}
int main(){
ifstream f("lgput.in");
ofstream g("lgput.out");
f>>n>>p;
rezultat=putere(n,p);
g<<rezultat<<"\n";
return 0;
}
