Cod sursa(job #1291288)
Utilizator | Data | 12 decembrie 2014 18:00:56 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.33 kb |
#include <fstream>
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
int main()
{long long n,i,p,r;
in>>n>>p;
long long mod = 1999999973;
r=1;
for(i=0;(1<<i)<=p;i++)
{
if((1<<i)&p)
r=(n*r)%mod;
n=(n*n)%mod;
}
out<<r%mod;
return 0;
}