Cod sursa(job #1999104)
Utilizator | Data | 10 iulie 2017 12:23:47 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.44 kb |
#include <fstream>
using namespace std;
ifstream fi("lgput.in");
ofstream fo("lgput.out");
long long n,p;
long long exp(long long x,long long a)
{
if(a==1)
return x%1999999973;
if(a==0)
return 1%1999999973;
if(a%2==0)
return (exp(x,a/2)*exp(x,a/2))%1999999973;
return (x*exp(x,a-1))%1999999973;
}
int main()
{
fi>>n>>p;
fo<<exp(n,p);
fi.close();
fo.close();
return 0;
}