Cod sursa(job #1509901)
Utilizator | Data | 24 octombrie 2015 13:44:48 | |
---|---|---|---|
Problema | Ridicare la putere in timp logaritmic | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.37 kb |
#include <fstream>
using namespace std;
ifstream in("lgput.in");
ofstream out("lgput.out");
int main()
{
long long n,p;
long long pow=1;
in>>n>>p;
while(p!=1){
if(p%2==0)
{
p=p/2;
n=n*n;
}else{
p=p-1;
pow=pow*n;
}
}
n=n*pow;
out<<n;
return 0;
}