Cod sursa(job #663086)
| Utilizator | Data | 17 ianuarie 2012 20:01:18 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.47 kb |
#include<fstream>
using namespace std;
long long n,p,x,y,r;
long long putere(long long x,long long y)
{
long long v;
if (y==0) return 1;
else
if (y%2==0){
v=putere(x,y/2);
return ((v*v)%1999999973);
}
else return ((x*putere(x,y-1))%1999999973);
}
int main()
{
ifstream f("lgput.in");
ofstream g("lgput.out");
f>>n>>p;
r=putere(n,p);
g<<r%1999999973<<"\n";
f.close();
g.close();
return 0;
}
