Cod sursa(job #1509785)
Utilizator | Data | 24 octombrie 2015 12:21:48 | |
---|---|---|---|
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;
ifstream in ("lgput.in");
ofstream out ("lgput.out");
int main ()
{
int n, r=1, p;
in>>n>>p;
while (p!=1)
{
if (p%2==0)
{
n=n*n%1999999973;
p=p/2;
}
else
{
r=r*n%1999999973;
p--;
}
}
n=n*r%1999999973;
out<<n;
return 0;
}