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Cod sursa(job #1464071)

Utilizator stefanchistefan chiper stefanchi Data 22 iulie 2015 11:33:43
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.47 kb
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int n,p,x = 1;
int rid(int n,int p)
{
    int x = 1;
    while(p > 0)
    {
        if ( p % 2 == 1 )
        {
            x = x * n ;
            p --;
        }
        else
        {
          p = p / 2 ;
          n = n * n;
        }

    }
    return x;
}
int main()
{
    fin>>n>>p;
    fout<<rid(n,p)%1999999973;
    return 0;
}