Cod sursa(job #857166)

Utilizator dragos_vecerdeaVecerdea Dragos dragos_vecerdea Data 17 ianuarie 2013 15:05:22
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.34 kb
Raporteaza aceasta sursa 
#include <fstream>
int const R=1999999973;
using namespace std;
ifstream in("lgput");
ofstream out("lgput");
long long putere (long long n ,long long p)
{
    if(p==0) return 1;
    if(p%2==0) return putere(n*n, p/2);
    else return (n*n, p/2);
}
int main()
{
    int n,p , s;
    s=putere(n , p)%R;
    out<<s;
    return 0;
}