Cod sursa(job #2017594)

Utilizator JiyuuNoTsubasaMaria Guran JiyuuNoTsubasa Data 1 septembrie 2017 18:55:49
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.34 kb
Raporteaza aceasta sursa 
#include <fstream>

using namespace std;
ifstream in ("lgput.in");
ofstream out ("lgput.out");
int m=1999999973;
int lgp (int n, int p)
{
    if (p==0) return 1;
    if (p%2==1) return (n*lgp(n,p-1))%m;
    int x=lgp(n,p/2)%m;
    return (x*x)%m;
}
int main()
{
    int n,p;
    in>>n>>p;
    out<<lgp(n,p);
    return 0;
}