zad5.cpp

#include <iostream>
#include <cmath>

#define nstudent 100

using namespace std;

int main()
{
    int student[nstudent];
    int arraySize = sizeof(student) / sizeof(int);
    int total = 0;
    float avg = 0;
    cout << "arraySize: " << arraySize << "\n";

    for(int i=0; i<arraySize; i++)
        {
            srand(time(NULL) + i);
            student[i] = rand() % 11;
            //cout << i << "\n";
            cout << student[i] << "\n";
        }

    for(int i=0; i<arraySize; i++)
        {
            total += student[i];
        }
        cout << "\ntotal: " << total << "\n";

        avg = (float)total / (float)arraySize;

        cout << "\navg: " << avg << "\n";

    //Sort
    for(int i=0; i<arraySize; i++)
        {
            int m = student[i];
            int id = 0;
            for(int j=i+1; j<arraySize; j++)
                {
                    if(student[j]>m){m=student[j]; id = j;}
                }
            cout << "iteration " << i << " switching " << student[i] << " for " << student[id] << "\n";
            cout << "student[0]: " << student[0] << "\n";
            student[id] = student[i];
            student[i] = m;


        }

        for(int i=0; i<arraySize; i++)
            {
                cout << i << ". " << student[i] << "\n";
            }
}