Cod sursa(job #2026044)

Utilizator FunnyStockyMihnea Andreescu FunnyStocky Data 23 septembrie 2017 16:40:59
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.35 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;
ifstream cin("lgput.in");
ofstream cout("lgput.out");
int main()
{
    ios_base::sync_with_stdio(0);
    long long a,b,sol=1;
    cin>>a>>b;
    for(int i=0;(1<<i)<=b;i++)
    {
        if(b&(1<<i))
            sol=sol*a%1999999973;
        a=a*a%1999999973;
    }
    cout<<sol;
    return 0;
}