Cod sursa(job #2461017)
Utilizator | Octavian Neculau 1chiriac | Data | 24 septembrie 2019 20:17:55 |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.42 kb |
#include <fstream>
using namespace std;
ifstream fin ("lgput.in");
ofstream fout ("lgput.out");
const long long modu=1999999973;
long long putere_log (int a,int n)
{
if(n==0)
return 1;
else
{
if(n%2==1)
return ((a%modu)*(putere_log(((a%modu)*(a%modu))%modu,n/2))%modu)%modu;
else
return putere_log(((a%modu)*(a%modu))%modu,n/2)%modu;
}
}
int main ()
{
long long n,p;
fin>>n>>p;
fout<<putere_log(n,p);
return 0;
}