Cod sursa(job #1853995)

Utilizator paul3ioanCirstean Paul Ioan paul3ioan Data 22 ianuarie 2017 12:06:04
Problema Ridicare la putere in timp logaritmic Scor 10
Compilator cpp Status done
Runda Arhiva educationala Marime 0.46 kb
#include <fstream>
#include <stdlib.h>
using namespace std;
ifstream fin ("lgput.in");
ofstream fout ("lgput.out");
long long Ridicarelaputere(long long x, long long n)
{
    long long rez;
    if(n==0)
        return 1;
    rez=Ridicarelaputere(x,n/2);
    rez=abs(rez*rez);
    if(n%2==1)
    {
        rez=rez*x;
    }
    return rez;
}
int main()
{
    int x,y;
    fin>>x>>y;
    fout<<Ridicarelaputere(x,y)%1999999973;
    return 0;
}