Cod sursa(job #2027927)

Utilizator amaliarebAmalia Rebegea amaliareb Data 26 septembrie 2017 21:23:57
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.63 kb
#include <iostream>
#include <fstream>
#include <vector>
#include <cstring>
//i'm never leaving this project

using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");

const int mod=1999999973;
long long base;
long long p;

long long logpow(long long base, long long p)
{
    int b=32;
    long long A=1;
    while(b>=0)
    {
        if(p&1LL<<b)
        {
            A=(A*A)%mod;
            A=(A*base)%mod;
        }
        else
        {
            A=(A*A)%mod;
        }
        b--;
    }
    return A;
}

int main()
{
    f>>base>>p;
    g<<logpow(base,p)<<'\n';
    return 0;
}