Cod sursa(job #2289603)
Utilizator | Data | 24 noiembrie 2018 21:55:27 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.33 kb |
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long n,p,rez;
void ridicare(int n,int p,int &rez)
{ while(p)
{ if(p%2==1) rez*=n;
n=n*n;
p/=2;
}
}
int main()
{ fin>>n>>p;
int rez=1;
ridicare(n,p,rez);
fout<<rez;
return 0;
}