Cod sursa(job #1226491)

Utilizator vevuiocsaIocsa Valeriu Ionut vevuiocsa Data 5 septembrie 2014 18:18:04
Problema Ridicare la putere in timp logaritmic Scor 100
Compilator cpp Status done
Runda Arhiva educationala Marime 0.54 kb
#include <iostream>
#include <fstream>

using namespace std;

const int MOD = 1999999973;

int putere(int N, int p)
{
    if(p==0)
        return 1;
    if(p%2==0)
    {
        int v=putere(N,p/2);
        return ((long long)v*(long long)v)%MOD;
    }
    else
    {
        return ((long long)N*(long long)putere(N,p-1))%MOD;
    }
}

int main()
{
    int N, P;
    ifstream fin("lgput.in");
    fin>>N>>P;
    ofstream fout("lgput.out");
    fout<<putere(N,P);
    fin.close();
    fout.close();
    return 0;
}