Cod sursa(job #2792380)

Utilizator alexdraguAlexandru Dragu alexdragu Data 1 noiembrie 2021 16:06:37
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.3 kb
Raporteaza aceasta sursa 
#include <fstream>

using namespace std;
ifstream cin("lgput.in");
ofstream cout("lgput.out");
long long a,b,p,n;
int main()
{
    cin>>a>>b;
    p=1;
    while(b)
    {
        if(b%2==1) {p=(p*a)%1999999973;}
        a=(a*a)%1999999973;
        b/=2;
    }
    cout<<p;
    return 0;
}