//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop
 #include <iostream.h>
//---------------------------------------------------------------------------

#pragma argsused
 #include <iostream>
#include <vcl>
#include <iostream>
#include <time.h>
using namespace std;

struct stek{
    int num;
    stek *next;
};

void push(stek* &stk, int n){
    stek *temp = new stek;
    temp->next = stk;
    temp->num = n;
    stk = temp;
}

void show(stek *stk){
    stek *temp = stk;
    while(temp){
        cout<<temp->num<<" ";
        temp = temp->next;
    }
    cout<<endl;
}

int findAverage(stek *stk){
    int amount = 0, i = 0;
    for(stek *temp = stk; temp ; temp = temp->next, i++)
        amount += temp->num;
    return amount/i;
}

void cleanOut(stek* &stk){
    for(stek *temp = stk->next;stk->next;temp = stk->next){
        delete stk;
        stk = temp;
    }
}

int main(){
    stek *stk = new stek;
    stk = NULL;
    srand(time(NULL));
    for(int i=0;i<10;i++)
        push(stk, rand()%100);
    show(stk);
    stk->num = findAverage(stk);
    show(stk);
    system("pause > nul");
    cleanOut(stk); // Î÷èùàåì ñòåê
}