Cod sursa(job #2488667)

Utilizator butnaru_vlad2003Butnaru Vlad butnaru_vlad2003 Data 7 noiembrie 2019 13:28:37
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.35 kb
Raporteaza aceasta sursa 
#include<bits/stdc++.h>
#define mod 1999999973
#define int long long
using namespace std;
ifstream in("lgput.in");
ofstream out ("lgput.out");
main ()
{
    int a,b;
    in>>a>>b;
    int rez = 1;
    while (b)
    {
        if (b&1)
            rez*=a,rez%=mod;
        a*=a,a%=mod;
        b>>=1;
    }
    out<<rez;
    return 0;
}