Cod sursa(job #2384821)

Utilizator AndreiDeltaBalanici Andrei Daniel AndreiDelta Data 21 martie 2019 10:53:34
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.44 kb
#include <bits/stdc++.h>
#define Mod 1999999973
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
long long N,M,a,sol=1;

int main()
{
    f>>N>>M;
    a=N;
    for(int i=0;(1<<i)<=M;i++)
    {
        if((1<<(i+1))<=M)
        {
            if( ( M&(1<<(i+1)) )> 0 )
            {
                N=(N*N*a)%Mod;
            }
            else N=(N*N)%Mod;
        }
    }
    g<<N/a;
    return 0;
}