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  1. #include <cstdlib>
  2.  
  3. #include <iostream>
  4.  
  5. class Mamifero {
  6.     public:
  7.         Mamifero() {}~Mamifero() {}
  8.  
  9.     virtual void somMamifero() const {
  10.         std::cout << "\n\tSom de mamifero.\n";
  11.     }
  12.  
  13.     virtual void menu() const {
  14.         Mamifero * mamPtr;
  15.         int op;
  16.         while (op != 5) {
  17.             std::cout << "\n\t(1) Boi" <<
  18.                 "\n\t(2) Gato" <<
  19.                 "\n\t(3) Porco" <<
  20.                 "\n\t(4) Cachorro" <<
  21.                 "\n\t(5) Sair" <<
  22.                 "\n\tDigite: ";
  23.             std::cin >> op;
  24.             switch (op) {
  25.             case 1:
  26.                 {
  27.                     mamPtr = new Mamifero();
  28.                     mamPtr - > somMamifero();
  29.                     break;
  30.                 }
  31.             case 2:
  32.                 {
  33.                     mamPtr = new Mamifero();
  34.                     mamPtr - > somMamifero();
  35.                     break;
  36.                 }
  37.             case 3:
  38.                 {
  39.                     mamPtr = new Mamifero();
  40.                     mamPtr - > somMamifero();
  41.                     break;
  42.                 }
  43.             case 4:
  44.                 {
  45.                     mamPtr = new Mamifero();
  46.                     mamPtr - > somMamifero();
  47.                     break;
  48.                 }
  49.             case 5:
  50.                 {
  51.                     std::cout << "\n\tGood Bye\n\n";
  52.                     exit(0);
  53.                     break;
  54.                 }
  55.             default:
  56.                 std::cout << "\n\tOpção Inválida ..!!!\n";
  57.             }
  58.         }
  59.     }
  60. };
  61.  
  62. class Boi: public Mamifero {
  63.     public: void somMamifero() const {
  64.         std::cout << "\n\tMuu ..! Muu..!!\n";
  65.     }
  66.  
  67.     void menu() const {
  68.         Mamifero * mamPtr;
  69.         mamPtr = new Boi();
  70.         mamPtr - > somMamifero();
  71.     }
  72. };
  73.  
  74. class Gato: public Mamifero {
  75.     public: void somMamifero() const {
  76.         std::cout << "\n\tMiAu ..! MiAu..!!\n";
  77.     }
  78.  
  79.     void menu() const {
  80.         Mamifero * mamPtr;
  81.         mamPtr = new Gato();
  82.         mamPtr - > somMamifero();
  83.     }
  84. };
  85.  
  86. class Porco: public Mamifero {
  87.     public: void somMamifero() const {
  88.         std::cout << "\n\tOinc ..! Oinc..!!\n";
  89.     }
  90.  
  91.     void menu() const {
  92.         Mamifero * mamPtr;
  93.         mamPtr = new Porco();
  94.         mamPtr - > somMamifero();
  95.     }
  96. };
  97.  
  98. class Cachorro: public Mamifero {
  99.     public: void somMamifero() const {
  100.         std::cout << "\n\tAu ..! Au..!!\n";
  101.     }
  102.  
  103.     void menu() const {
  104.         Mamifero * mamPtr;
  105.         mamPtr = new Cachorro();
  106.         mamPtr - > somMamifero();
  107.     }
  108. };
  109.  
  110. int main() {
  111.     Mamifero * m = new Mamifero();;
  112.     m - > menu();
  113. }
  114.  
  115. //https://pt.stackoverflow.com/q/170799/101
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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1
5
compilation info 
prog.cpp: In member function ‘virtual void Mamifero::menu() const’:
prog.cpp:28:30: error: expected primary-expression before ‘>’ token
                     mamPtr - > somMamifero();
                              ^
prog.cpp:34:30: error: expected primary-expression before ‘>’ token
                     mamPtr - > somMamifero();
                              ^
prog.cpp:40:30: error: expected primary-expression before ‘>’ token
                     mamPtr - > somMamifero();
                              ^
prog.cpp:46:30: error: expected primary-expression before ‘>’ token
                     mamPtr - > somMamifero();
                              ^
prog.cpp: In member function ‘virtual void Boi::menu() const’:
prog.cpp:70:18: error: expected primary-expression before ‘>’ token
         mamPtr - > somMamifero();
                  ^
prog.cpp: In member function ‘virtual void Gato::menu() const’:
prog.cpp:82:18: error: expected primary-expression before ‘>’ token
         mamPtr - > somMamifero();
                  ^
prog.cpp: In member function ‘virtual void Porco::menu() const’:
prog.cpp:94:18: error: expected primary-expression before ‘>’ token
         mamPtr - > somMamifero();
                  ^
prog.cpp: In member function ‘virtual void Cachorro::menu() const’:
prog.cpp:106:18: error: expected primary-expression before ‘>’ token
         mamPtr - > somMamifero();
                  ^
prog.cpp: In function ‘int main()’:
prog.cpp:112:9: error: expected primary-expression before ‘>’ token
     m - > menu();
         ^
prog.cpp:112:11: error: ‘menu’ was not declared in this scope
     m - > menu();
           ^~~~
prog.cpp:112:11: note: suggested alternative: ‘enum’
     m - > menu();
           ^~~~
           enum
stdout
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Standard output is empty
https://ideone.com/4ayf1T
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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