Cod sursa(job #810035)
Utilizator | Data | 9 noiembrie 2012 14:48:36 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.42 kb |
#include<fstream>
#define MAX 1999999973
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long expo(long long a, long long b)
{
long long result = 1;
while (b){
if (b&1)
{
result = result*a%MAX;
}
b >>=1 ;
a = a*a%MAX;
}
return result;
}
int main()
{
long long n,p;
fin>>n>>p;
fout<<expo(n,p);
return 0;
}