Cod sursa(job #2071140)

Utilizator MaxTeoTeo Oprescu MaxTeo Data 20 noiembrie 2017 12:55:56
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.44 kb
#include <bits/stdc++.h>
#define mod 1999999973
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");

long long x,n;

inline long long exponent(long long x,long long n)
{
    if(n==0)
        return 1;
    if(n==1)
        return x;
    if(n%2==0)
        return exponent(x*x,n/2)%mod;
    else
        return (x*exponent(x*x,(n-1)/2))%mod;
}

int main()
{
    f>>x>>n;
    g<<exponent(x,n);
    return 0;
}