Cod sursa(job #2114006)
Utilizator | Data | 25 ianuarie 2018 12:46:27 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.38 kb |
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long a,b;
const long long p=1999999973;
int alab(long long a, long long b)
{
if(b==0) return 1;
if(b==1) return a;
long long x=alab(a,b/2);
if(b%2==0) return x*x%p;
return x*x%p*a%p;
}
int main()
{
fin>>a>>b;
fout<<alab(a,b);
return 0;
}