Cod sursa(job #876828)
Utilizator | Data | 12 februarie 2013 10:47:48 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.4 kb |
#include <fstream>
using namespace std;
long long int x=1;
long long int putere(long long int n, long long int p)
{
while(p>0)
{
if(p%2!=0) {x*=n%1999999973; p--;}
else {n*=n%1999999973; p/=2;}
}
return x;
}
int main()
{
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long int a,b;
fin>>a>>b;
fout<<putere(a,b);
}