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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. struct stack {
  5.    int size=0;//размер
  6.    int storage[1000];//массив
  7.    void push (int n)//добавление эл-та
  8.    {
  9.        storage[size]=n; 
  10.        size++; 
  11.    }
  12.    int pop () //удаление эл-та
  13.    {
  14.        int b=storage[size-1]; 
  15.        size--; 
  16.        return b;
  17.    }
  18. };
  19.  
  20. int main ()
  21. {
  22.    stack st;
  23.    string s;
  24.    while (55) 
  25.    {
  26.    	   cin >> s;
  27.        if (s=="push") 
  28.        {
  29.            int n;
  30.            cin >> n;
  31.            st.push(n);
  32.            cout << "ok\n";
  33.        }
  34.        if (s=="pop") 
  35.        {
  36.         if (st.size==0) 
  37.            {
  38.                cout << "error\n";
  39.            }
  40.            else cout << st.pop() << endl;
  41.        }   
  42.        if (s=="exit") 
  43.        {
  44.            cout << "bye\n";
  45.            break;
  46.        }
  47.    }
  48.    return 0;
  49. }
  50.  
Success #stdin #stdout 0s 3276KB
comments (?)
stdin
copy 
push 7
pop
exit
stdout
copy 
ok
7
bye
https://ideone.com/8CDoS6
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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