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  1. #include <iostream>
  2. #include <vector>
  3. #include <string>
  4.  
  5. using namespace std;
  6.  
  7. //Creating a stack for Strings
  8. class Stack {
  9.  
  10.    public:
  11.      Stack(int capacity) {
  12.           this->capacity = capacity;
  13.      }
  14.      void push(string data) {
  15.           if(isFull()) {
  16.             cout<<"Full Stack"<<endl;
  17.             return;
  18.           }
  19.           cout<<"Added to Stack: "<<data<<"\n";
  20.           container.push_back(data);
  21.      }
  22.  
  23.      void pop() {
  24.           if(isEmpty()) {
  25.             cout<<"Empty Stack!";
  26.             return;
  27.           }
  28.           cout<<"Pop: "<<container.back()<<endl;
  29.           container.pop_back();
  30.      }
  31.  
  32.      string top() {
  33.          return container.back();
  34.      }
  35.  
  36.      int size() {
  37.        return container.size();
  38.      }
  39.  
  40.      bool isEmpty() {
  41.           return container.empty();
  42.      }
  43.  
  44.      bool isFull() {
  45.           return capacity == container.size();
  46.      }
  47.  
  48.      void display() {
  49.        if(isEmpty()){
  50.          cout<<endl<<"Empty Stack. Nothing to show!"<<endl;
  51.          return;
  52.        }
  53.        for(string n:container) {
  54.          cout<<n<<"\n";
  55.        }
  56.      }
  57.    private:
  58.      vector<string> container;
  59.      int capacity;
  60. };
  61.  
  62. int main(int argc, char const *argv[]) {
  63.   Stack stack(100);
  64.   stack.push("Annapurna");
  65.   stack.push("Everest");
  66.   stack.push("K2");
  67.   cout<<"Size = "<<stack.size()<<endl;
  68.   cout<<"Peak = "<<stack.top()<<endl;
  69.   stack.push("Nanga Parbat");
  70.   stack.display();
  71.   cout<<"Size = "<<stack.size()<<endl;
  72.   cout<<"Peak = "<<stack.top()<<endl;
  73.   stack.display();
  74.   stack.pop();
  75.   stack.pop();
  76.   stack.display();
  77.   cout<<"Size = "<<stack.size()<<endl;
  78.   cout<<"Peak = "<<stack.top()<<endl;
  79.   return 0;
  80. }
Success #stdin #stdout 0s 5332KB
comments (?)
stdin 
Standard input is empty
stdout 
Added to Stack: Annapurna
Added to Stack: Everest
Added to Stack: K2
Size = 3
Peak = K2
Added to Stack: Nanga Parbat
Annapurna
Everest
K2
Nanga Parbat
Size = 4
Peak = Nanga Parbat
Annapurna
Everest
K2
Nanga Parbat
Pop: Nanga Parbat
Pop: K2
Annapurna
Everest
Size = 2
Peak = Everest
https://ideone.com/axo91k
Stack Data Structures based on STL containervector<string>
language:
C++ (gcc 8.3)
created:
1 year ago
visibility:
secret

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