Cod sursa(job #796440)
Utilizator | Data | 11 octombrie 2012 15:52:49 | |
---|---|---|---|
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;
ifstream in("lgput.in");
ofstream out("lgput.out");
const int R = 1999999973;
long long lgput(long long n, long long p)
{
if(p==1) return n;
if(p%2 == 0) return lgput(n*n,p/2) ;
return lgput(n*n,p/2)*n;
}
int main () {
int n , p;
in>>n>>p;
out<<lgput(n,p);
return 0;
}