Cod sursa(job #3182735)

Utilizator ayannnnAyan Sorouri-Amoughin ayannnn Data 9 decembrie 2023 14:37:30
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.48 kb
#include <fstream>

using namespace std;

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

const int MOD = 1999999973;

long long lgput(long long a, long long b){
    if(b==0)
        return 1;
    if(b==1)
        return a;
    if(b%2==0) {
        long long hlf = lgput(a, b/2) % MOD;
        return (hlf * hlf) % MOD;
    }
    else
        return (a * lgput(a, b-1)) % MOD;
}

int main()
{
    long long a,b;
    f>>a>>b;
    g<<lgput(a,b);
    return 0;
}