#include<cstdlib>
#include<iostream>
#include <stack>
#include <ctime>
using namespace std;


struct kolejka
{
int a;
kolejka *next;
};


kolejka *first = NULL;
kolejka *last = NULL;


void push(int nowea)
{


if(first == NULL)
{
kolejka *punkt = new kolejka;
punkt -> a = nowea;
punkt -> next = NULL;
last = punkt;
first = punkt;
}
else
{
kolejka *punkt = new kolejka;
punkt -> a = nowea;
punkt -> next = last;
last = punkt;
}
}



int pop()
{

    if(last != NULL)
    {
    kolejka *pelem = last;
    int a = last -> a;
    last = pelem -> next;
    delete pelem;
    return a;
    }
    else return 0;
}






void top()
{
    if(first == NULL) cout << "kolejka jest pusta" << endl;
    else cout << "last = " << last -> a << endl;

}



////////////////////////////////////////////////////////////////////////////////////

main()
{

srand(time(NULL));


for(int i = 0; i < 20; i++)
{
push(rand() % 100);
}

int min = first -> a;
kolejka * wsk = first;


do
{

if(wsk -> a < min) min = wsk -> a;
wsk = wsk -> next ;




}while(last != NULL);


cout << "min " << min;




system("pause");
return 0;
}