Cod sursa(job #2803525)

Utilizator PescaPescariu Matei Alexandru Pesca Data 20 noiembrie 2021 10:22:19
Problema Ridicare la putere in timp logaritmic Scor 0
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");
int const mod=1999999973;
int main()
{
    int a,b;
    fin>>a>>b;
    int r=1,p=b;
    for(int i=0;(1<<i)<=b;i++)
    {
        if((1<<i)&p>0)
            r=1LL*r*p%mod;
        p=1LL*p*p%mod;
    }
    fout<<r;
}