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  1. #include<iostream>
  2. #include<conio.h>
  3. #include<stdlib.h>
  4. using namespace std;
  5. class stack
  6. {
  7.              int stk[5];
  8.              int top;
  9.       public:
  10.              stack()
  11.               {
  12.                 top=-1;
  13.                }
  14.              void push(int x)
  15.               {
  16.                  if(top >  4)
  17.                        {
  18.                            cout <<"stack over flow";
  19.                            return;
  20.                        }
  21.                  stk[++top]=x;
  22.                  cout <<"inserted" <<x;
  23.                }
  24.              void pop()
  25.                {
  26.                   if(top <0)
  27.                    {
  28.                          cout <<"stack under flow";
  29.                          return;
  30.                     }
  31.                     cout <<"deleted" <<stk[top--];
  32.                 }
  33.              void display()
  34.                {
  35.                    if(top<0)
  36.                     {
  37.                             cout <<" stack empty";
  38.                             return;
  39.                     }
  40.                     for(int i=top;i>=0;i--)
  41.                     cout <<stk[i] <<" ";
  42.                 }
  43. };
  44.  
  45. main()
  46. {
  47.      int ch;
  48.      stack st;
  49.      while(1)
  50.         {
  51.              cout <<"\n1.push  2.pop  3.display  4.exit\nEnter ur choice";
  52.              cin >> ch;
  53.              switch(ch)
  54.               {
  55.                case 1:  cout <<"enter the element";
  56.                         cin >> ch;
  57.                         st.push(ch);
  58.                         break;
  59.                case 2:  st.pop();  break;
  60.                case 3:  st.display();break;
  61.                case 4:  exit(0);
  62.                }
  63.          }
  64. return (0);
  65. }
Compilation error #stdin compilation error #stdout 0s 16048KB
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stdin
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Standard input is empty
compilation info 
prog.cpp:2:18: fatal error: conio.h: No such file or directory
 #include<conio.h>
                  ^
compilation terminated.
stdout
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Standard output is empty
https://ideone.com/U6KRrE
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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