Cod sursa(job #474421)
Utilizator | Pavel Ana-Oriana Pavel | Data | 3 august 2010 18:47:39 |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.26 kb |
#include<fstream>
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
long long a,n;
int main()
{
long long p=1,d=1999999973;
in>>a>>n;
while(n!=0)
{
if(n%2!=0)
p*=a;
a*=a;
n/=2;
}
out<<p%d<<'\n';
return 0;
}