Cod sursa(job #2567107)

Utilizator spartanul300Vasile Andrei spartanul300 Data 3 martie 2020 15:13:24
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.46 kb
#include <bits/stdc++.h>
#define mod 1999999973

using namespace std;

ifstream f("lgput.in");
ofstream g("lgput.out");

long long putere(long long baza,long long exp)
{
    if(exp==0)return 1;
    else if(exp==1)return baza;
    else
    {
        if(exp%2==0)return (putere((baza*baza)%mod,exp/2)%mod);
        else return ((baza*putere(baza,exp-1)%mod)%mod);
    }
}

long long a,b;
int main()
{
    f>>a>>b;
    g<<putere(a,b);
    return 0;
}