Cod sursa(job #1686143)
Utilizator | Data | 12 aprilie 2016 08:48:51 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.48 kb |
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
unsigned long long n,rezultat=1;
int p;
void ridicare(unsigned long long x,int putere)
{
while(putere)
{
if(putere%2)
{
rezultat*=x;
rezultat%=1999999973;
}
x*=x;
x%=1999999973;
putere/=2;
}
}
int main()
{
fin>>n>>p;
ridicare(n,p);
fout<<rezultat;
return 0;
}