Cod sursa(job #1514061)
Utilizator | Stanica Mona-Lucia monaluciastanica | Data | 30 octombrie 2015 15:13:56 |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.32 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)
{p=p/2;
n=(n*n)%1999999973;}
else
{p=p-1;
r=(r*n)%1999999973;}
}
out<<(n*r)%1999999973;
return 0;
}