Cod sursa(job #2249220)
Utilizator | Data | 29 septembrie 2018 14:49:53 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.38 kb |
#include <iostream>
#include <fstream>
using namespace std;
int main()
{
int a, n, p;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
fin>>a>>n;
p=1;
while(n>0)
{
if(n%2!=0)
{
p*=a;
}
a*=a;
n/=2;
}
fout<<p;
fin.close();
fout.close();
return 0;
}