Cod sursa(job #2384811)

Utilizator AndreiDeltaBalanici Andrei Daniel AndreiDelta Data 21 martie 2019 10:47:18
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.39 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((M&(1<<i))>0)
        {
            sol*=(sol*N)%Mod;
            N=(N*N*a)%Mod;
        }
        else N=(N*N)%Mod;
    }
    g<<sol;
    return 0;
}