Cod sursa(job #2569565)

Utilizator cyg_Alex_codegicianBarbu Alexandru cyg_Alex_codegician Data 4 martie 2020 12:36:39
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda r3capitusulare Marime 0.28 kb
Raporteaza aceasta sursa 
#include <fstream>
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)
    {
        if (b%2==1) p=(p*a)%mod;
        a=(a*a)%mod;
        b/=2;
    }
    fout << p;
}