Cod sursa(job #947147)
| Utilizator | Data | 6 mai 2013 19:51:27 | |
|---|---|---|---|
| Problema | Ridicare la putere in timp logaritmic | Scor | 0 |
| Compilator | cpp | Status | done |
| Runda | Arhiva educationala | Marime | 0.43 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
long long n,x=1;
int p;
long long pow(long n, int p){
if(p==0){
n=x;
return n;
}
if(p%2==1){
p--;
x=(x*n);
return pow(n,p);
}
else{
p/=2;
n*=n;
return pow(n,p);
}
}
int main()
{
f>>n>>p;
cout<<pow(2,31);
}
