Cod sursa(job #3211739)

Utilizator Alex_DeaconuDeaconu Alexandru Alex_Deaconu Data 10 martie 2024 10:53:29
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.33 kb
Raporteaza aceasta sursa 
#include <bits/stdc++.h>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
const int mod=1999999973;
int main()
{
    long long a,b,p=1;
    fin>>a>>b;
    while(b!=0)
    {
        if(b%2==1)
            p=(p*a)%mod;
        a=(a*a)%mod;
        b=b/2;
    }
    fout<<p;
    return 0;
}