Cod sursa(job #1679696)
Utilizator | Data | 8 aprilie 2016 10:18:34 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.36 kb |
#include <fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int n,p,i,m;
long long a,sol;
int main()
{
sol=1;
f>>n>>p;
a=n;
m=1999999973;
for(i=0;(1<<i)<=p;++i)
{
if(((1<<i&p))>0) sol=(sol*a)%m;
a=((a*a)%m);
}
g<<sol<<'\n';
f.close();
g.close();
return 0;
}