Cod sursa(job #3215325)

Utilizator eugenioMarinescu Eugenio eugenio Data 14 martie 2024 20:19:59
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.4 kb
#include <fstream>
#define mod 1999999973
using namespace std;
ifstream cin("lgput.in");
ofstream cout("lgput.out");

int exp(int x, int y)
{
    if(y==0)
        return 1;
    if(y==1)
        return x;
    int ans=exp(x,y/2)%mod;
    if(y%2==0)
        return (ans*ans)%mod;
    else
        return (ans*ans*x)%mod;
}

int main()
{
    int a,b;
    cin>>a>>b;
    cout<<exp(a,b)%mod;
}