Cod sursa(job #2873330)

Utilizator VSebastianVatcu Sebastian VSebastian Data 19 martie 2022 09:37:42
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.45 kb
#include <iostream>
#include <fstream>
#define MOD 1999999973

using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
long long putere(long long a, long long b)
{
    long long p=1%MOD;
    do
    {
        if(b%2==1)
            p*=a%MOD;
        b/=2;
        a%=MOD;
        a*=a%MOD;
    }while(b!=0);
    return p;
}

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