//VS 2010 Professional
 
#include "stdafx.h"
#include <iostream>
 
using namespace std;
 
int Sumuj(int Tab[], int k);
 
int main()
{
        const int N = 1000;
        int Tab[N];
        int k =5;
        for(int i=0; i<N; i++){
                Tab[i] = rand()%101;
        }
 
        cout << "Suma " << k << " pierwszych elementow tablicy to: " << Sumuj(Tab, k) << endl;
        cout << "Suma "<< k << " ostatnich elementow tablicy to: " << Sumuj(Tab, N) - Sumuj(Tab, N-k) << endl;
 
 
        //Fragment kodu pozwalajacy sprawdzic poprawnosc obliczen////////////////////////////////////////////
        cout << "\n\n\n=============DOWOD POPRAWNOSCI OBLICZEN ===================" << endl;
        cout << "Piersze 5 elementow tablicy" << endl;
        for(int i=0; i<5;i++){
                cout << Tab[i] << endl;
        }
        cout << "Ostatnie 5 elementow tablicy:" << endl;
        for(int i=(N-k); i<N; i++){
                cout << Tab[i] << endl;
        }
        ///////////////////////////////////////////////////////////////////////////////////////////////////////
        system("PAUSE");
 
}
 
int Sumuj(int Tab[], int k){
        int suma =0;
        for(int i=0; i<k; i++){
                suma += Tab[i];
        }
        return suma;
}