Cod sursa(job #1935412)
Utilizator | Data | 22 martie 2017 12:24:23 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.42 kb |
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long put(long long a, long long n)
{
if(n==1)
return a%1999999973;
if(n==1)
return 1%1999999973;
else if(n%2==1)
return put(a, n-1)*a%1999999973;
return put(a, n/2)*put(a, n/2)%1999999973;
}
int main()
{
int n, a;
fin>>n>>a;
fout<<put(a, n);
return 0;
}