Cod sursa(job #2052249)
Utilizator | Data | 30 octombrie 2017 12:25:32 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.42 kb |
#include <fstream>
#include <iostream>
#include <iomanip>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int main()
{
unsigned int i, n, p;
double a,sol = 1;
cin>>n>>p;
a = n;
for (i = 0; (1<<i) <= p; ++ i)
{ if ( ((1<<i) & p) > 0)
sol= sol * a;
a=a * a;
}
g<<setprecision(320)<<sol<<'\n';
f.close();
g.close();
return 0;
}