Cod sursa(job #1761655)
Utilizator | Data | 22 septembrie 2016 17:37:26 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.38 kb |
#include<fstream>
#define MOD 1999999973
using namespace std;
ifstream fi("lgput.in");
ofstream fo("lgput.out");
int i,p;
long long a,rez;
int main()
{
rez=1;
fi>>a>>p;
for(i=0; (1<<i)<=p; i++)
{
if (((1<<i)&p)>0)
rez=(rez*a)%MOD;
a=(a*a)%MOD;
}
fo<<rez%MOD<<"\n";
fi.close();
fo.close();
return 0;
}