Cod sursa(job #2468140)

Utilizator puica2018Puica Andrei puica2018 Data 5 octombrie 2019 13:07:48
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.38 kb
#include <bits/stdc++.h>

using namespace std;

ifstream fin("lgput.in");
ofstream fout("lgput.out");

int logPutere(int a,int n)
{
    int rez=1;
    while(n>0)
    {
        if(n%2==1) rez=1LL*rez*a%1999999973;
        n/=2;
        a=1LL*a*a%1999999973;
    }
    return rez;
}

int main()
{
    int n,p;
    fin>>n>>p;
    fout<<logPutere(n,p);
    return 0;
}