Cod sursa(job #1038186)

Utilizator dan.ghitaDan Ghita dan.ghita Data 21 noiembrie 2013 10:14:12
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.34 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int a, b;
const int mod=1999999973;
int put(int x, int p){
if(p==1) return a;

int e=put(x, p/2)%mod;
if(p&1) return (x*e*e)%mod;
else return (e*e)%mod;

}

int main()
{
    f>>a>>b;
    g<<put(a,b);

     return 0;
}