Cod sursa(job #1552185)

Utilizator mariusmarogelMarius Marogel mariusmarogel Data 17 decembrie 2015 12:31:23
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.3 kb
Raporteaza aceasta sursa 
#include <iostream>
#define N 1999999973
using namespace std;
int n;
long long p,x;
int main()
{
    cin>>x>>n;
    p=1;
    while(n>0)
    {
        if(n%2)
        {
            p=(p*x)%N;;
            n=n-1;
        }
        x=(x*x)%N;
        n=n/2;
    }
    cout<<p;
    return 0;
}