Cod sursa(job #1927129)
Utilizator | Data | 14 martie 2017 22:29:28 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.42 kb |
#include <fstream>
#define M 1999999973
using namespace std;
long long a,b,sol=1;
void Read(){
ifstream fin("lgput.in");
fin>>a>>b;
}
void Pow(){
long long i;
for (i=0;(1<<i)<=b;++i)
if (((1<<i)&b)>0) sol=(sol*a)%M;
else a=(a*a)%M;
}
void Write(){
ofstream fout("lgput.out");
fout<<sol;
}
int main()
{
Read();
Pow();
Write();
return 0;
}