Cod sursa(job #1510773)
Utilizator | Data | 25 octombrie 2015 16:34:33 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.41 kb |
#include <fstream>
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
int main()
{
long long n,p,r=1;
in>>n>>p;
while(p>1)
{
if(p%2==0)
{
n=(n*n)%1999999973;
p=p/2;
}
else
{
p=p-1;
r=(r*n)%1999999973;
}
}
n=n*p;
out<<n%1999999973;
return 0;
}