Cod sursa(job #2715444)
| Utilizator | Data | 3 martie 2021 18:01:22 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.58 kb |
#include <iostream>
#include <cmath>
#include <algorithm>
#include <fstream>
using namespace std;
ifstream fin ("lgput.in");
ofstream fout ("lgput.out");
long long ridicare(long n,long long k)
{
long long total=0;
if(k==0)
return 1;
if(k%2==0)
{
total=ridicare(n,k/2);
total=total*total;
return total;
}
else
{
total=ridicare(n,k/2);
total=total*total;
return total*n;
}
}
int main()
{
long long n,k;
fin>>n>>k;
fout <<ridicare(n,k)<< endl;
return 0;
}
