Cod sursa(job #2523509)

Utilizator AndreiDeltaBalanici Andrei Daniel AndreiDelta Data 14 ianuarie 2020 11:47:18
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.34 kb
Raporteaza aceasta sursa 
#include <bits/stdc++.h>
#define Mod 1999999973
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
long long N,P,ans;

int main()
{
    f>>N>>P;
    ans=1;
    for(int i=log2(P)+1;i>=0;i--)
    {
        ans=(ans*ans)%Mod;
        if( ( P & ( 1<<i ) ) != 0 ) ans=(ans*N)%Mod;
    }

  g<<ans;

    return 0;
}