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  1. #include <iostream>
  2. #include <string>
  3.  
  4. #include "Stack.h"
  5.  
  6. int main ()
  7. {
  8.     string str = "10-11*5+4/2";
  9.  
  10.     cout << parse (str) << endl;
  11.  
  12.     return 0;
  13. }
  14.  
  15. int parse (string& str)
  16. {
  17.  
  18.    Stack theStack;            
  19.  
  20.    int first, second;
  21.  
  22.      for (int n = 0; n < str.size (); n++)
  23.    {
  24.       switch (str [n])
  25.       {
  26.  
  27.       case '*':
  28.          getTwoOffStack (theStack, first, second);
  29.          theStack.push (first * second);
  30.          break;
  31.  
  32.       case '/':
  33.          getTwoOffStack (theStack, first, second);
  34.          theStack.push (first / second);
  35.          break;
  36.  
  37.       case '+':
  38.          getTwoOffStack (theStack, first, second);
  39.          theStack.push (first + second);
  40.          break;
  41.  
  42.       case '-':
  43.          getTwoOffStack (theStack, first, second);
  44.          theStack.push (first - second);
  45.          break;
  46.  
  47.  
  48.       	 char str [3];
  49.  
  50.       	 str [0] = str [n];
  51.       	 str [1] = '\0';
  52.  
  53.          theStack.push (atoi (str));
  54.       }
  55.    }
  56.  
  57.  
  58.    int returnVal = theStack.getTop ();
  59.  
  60.    theStack.pop ();
  61.  
  62.    return returnVal;
  63. }
  64.  
  65. void getTwoOffStack (Stack& theStack, int& first, int& second)
  66. {
  67.  
  68.    second = theStack.getTop ();
  69.  
  70.    theStack.pop ();
  71.  
  72.    first = theStack.getTop ();
  73.  
  74.    theStack.pop ();
  75. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
prog.cpp:4:19: fatal error: Stack.h: No such file or directory
 #include "Stack.h"
                   ^
compilation terminated.
stdout
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Standard output is empty
https://ideone.com/fuIw6t
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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