Cod sursa(job #1605120)
Utilizator | Data | 18 februarie 2016 19:37:50 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.46 kb |
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
const long long int m = 1999999973;
int main()
{
long long n, k, p = 1;
fin >> n >> k ;
while(k != 1)
{
if(k % 2 == 0)
{
n=(n*n)%m;
k /=2;
}
else {
k--;
p *= n%m;
}
}
fout<< (p * n)%m;
return 0;
}