Cod sursa(job #2264583)

Utilizator etienAndrone Stefan etien Data 20 octombrie 2018 10:37:23
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.31 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;
ifstream fin("lgput.in");
ofstream fout("lgput.out");
int main()
{
    long long a,n;
    fin>>a>>n;
    const int M=1999999973;
    long long p=1;
    do
    {
        if(n%2!=0)
            p=p*a%M;
        a=a*a%M;
        n/=2;
    }while(n!=0);
    fout<<p;
    return 0;
}