Cod sursa(job #2705843)

Utilizator EuroStarAntonie Butnariuc EuroStar Data 13 februarie 2021 13:37:14
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.37 kb
#include <bits/stdc++.h>

using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");
int64_t MOD=1999999973LL;
int64_t n,p,putere(int64_t,int64_t);

int main(){
    f>>n>>p;
    g<<putere(n,p);
}

int64_t putere(int64_t b, int64_t e){
    if(e==0)
        return 1LL;

    int64_t r=putere(b,e/2);
    r = r *r % MOD;
    if(e%2==1)
        r=r*b%MOD;

    return r;
}