Cod sursa(job #2384835)

Utilizator AndreiDeltaBalanici Andrei Daniel AndreiDelta Data 21 martie 2019 11:08:24
Problema Ridicare la putere in timp logaritmic Scor 30
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,b;
int cnt;
bool V[350];

int main()
{
    f>>N>>M;
    a=M;
    b=N;
    while(a)
    {
       if(a%2) V[++cnt]=1;
       else V[++cnt]=0;
       a/=2;
    }
    for(int i=cnt-1;i>=1;i--)
    {
        if(V[i]==0) N=(N*N)%Mod;
        else N=(N*N*b)%Mod;
    }
    g<<N;
    return 0;
}