Cod sursa(job #2773190)

Utilizator AlexSerban21Serban Alexandru AlexSerban21 Data 5 septembrie 2021 15:00:09
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.32 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;
ifstream fin ("lgput.in");
ofstream fout ("lgput.out");
long long a,b,p;
int main()
{
    fin>>a>>b;
    p=1;
    while (b!=0)
    {
        if (b%2!=0)
            p=p*a;
        a=a*a%1999999973;
        p=p%1999999973;
        b=b/2;
    }
    fout<<p;
    return 0;
}