Cod sursa(job #2595333)

Utilizator AsthenichDog390Alex Preda AsthenichDog390 Data 7 aprilie 2020 15:58:28
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.42 kb
#include <bits/stdc++.h>
using namespace std;

ifstream in("lgput.in");
ofstream out("lgput.out");

long long exponent(long long b,long long e,long long mod){
    long long ans=1;
    b%=mod;
    for(;e>0;e/=2){
        if(e%2){
            ans=1LL*ans*b%mod;
        }
        b=b*b%mod;
    }
    return ans;
}

int main(){
    long long a,b;
    in>>a>>b;
    out<<exponent(a,b,1999999973);
    return 0;
}