#include <iostream>
#include <limits.h>
#include <vector>
#include<iostream>
#include<cstdlib>
#include <sstream>
#include <iomanip>
#include <string>
/* run this program using the console pauser or add your own getch, system("pause") or input loop */
struct listElement
{
listElement* next;
int value;
listElement(int _value)
{
this->value = _value;
}
};
class List
{
public:
listElement* head;
List();
~List();
unsigned size();
void print();
void push_back(int data);
listElement* pop();
};
List::List()
{
head = NULL;
}
List::~List()
{
while(head) pop();
}
unsigned List::size()
{
unsigned c = 0;
listElement * p = head;
if(p)
do
{
c++;
p = p->next;
} while(p != head);
return c;
}
void List::print()
{
listElement * p;
std::cout << size() << " [";
p = head;
if(p)
do
{
std::cout << " " << p->value;
p = p->next;
} while(p != head);
std::cout << " ]\n\n";
}
void List::push_back(int data)
{
listElement * p = new listElement(data);
if(head)
{
p->next = head->next;
head->next = p;
}
else p->next = p;
head = p;
}
listElement* List::pop()
{
if(head)
{
listElement * p = head->next;
head->next = p->next;
if(p->next == p) head = NULL;
return p;
}
}
void Zad5()
{
List *list = new List();
list->push_back(1);
list->push_back(-10);
list->push_back(-20);
list->push_back(100);
list->print();
list->pop();
list->print();
list->pop();
list->print();
}
void Zad1()
{
int inputA, inputB, temp;
std::cout << "Podaj liczbe 1: ";
std::cin >> inputA;
std::cout << "Podaj liczbe 2: ";
std::cin >> inputB;
temp = inputA;
inputA = inputB;
inputB = temp;
std::cout << "Input1 :" << inputA << " Input2: " << inputB;
}
void Zad2()
{
std::vector<int> tab;
tab.push_back(5);
tab.push_back(6);
tab.push_back(7);
tab.push_back(-2);
int max = INT_MIN;
int min = INT_MAX;
for (int i = 0; i < tab.size(); i++)
{
if (tab[i] > max)
{
max = tab[i];
}
if(tab[i] < min)
{
min = tab[i];
}
}
std::cout << "Max is : " << max << "Min is : " << min;
}
void sortowanie_babelkowe(int tab[],int n)
{
for(int i=0;i<n;i++)
for(int j=1;j<n-i;j++) //pętla wewnętrzna
if(tab[j-1]>tab[j])
//zamiana miejscami
std::swap(tab[j-1], tab[j]);
}
void Zad3()
{
int *tab, n;
n = 5;
tab = new int[n];
tab[0] = -2;
tab[1] = -20;
tab[2] = 10;
tab[3] = 0;
tab[4] = 2;
sortowanie_babelkowe(tab, n);
std::cout << "Wypisuje posortowane wartosci: ";
for(int i = 0; i < n; i++)
{
std::cout << "\n" << tab[i];
}
std::cout << "\nZakonczylem wypisywanie";
}
const int MAX_S = 100;
Zad6()
{
double S[MAX_S];
int p = 0;
std::string e;
double v1,v2;
std::stringstream ss;
while(true)
{
std::getline(std::cin,e);
if(e == "=") break;
ss.str("");
ss.clear();
ss << e;
if(ss >> v1)
S[p++] = v1;
else
{
v2 = S[--p];
v1 = S[--p];
switch(e[0])
{
case '+' : v1 += v2; break;
case '-' : v1 -= v2; break;
case '*' : v1 *= v2; break;
case '/' : v1 /= v2; break;
}
S[p++] = v1;
}
}
std::cout << std::fixed << S[--p] << std::endl;
return 0;
}
int main(int argc, char** argv) {
//Zad1();
//Zad2();
//Zad3();
//Zad5();
Zad6();
system("pause");
return 0;
}
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