Cod sursa(job #2504876)

Utilizator Adrian_Popescu311Popescu Adrian Adrian_Popescu311 Data 5 decembrie 2019 18:22:29
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.43 kb
#include <bits/stdc++.h>
#define MOD 1999999973

using namespace std;

ifstream fi("lgput.in");
ofstream fo("lgput.out");

long long n,x;

long long ppow(long long x,long long n)
{
    if (n==0)
        return 1;
    if(n==1)
        return x;

    if(n%2==1)
        return x*ppow(x*x%MOD,n/2)%MOD;
    else
        return ppow(x*x%MOD,n/2)%MOD;
}

int main()
{
    fi>>x>>n;

    fo<<ppow(x,n);

    return 0;
}