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GreMendes

Diretivas

Sep 11th, 2014
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C++ 0.40 KB | None | 0 0
  1. #include <iostream>
  2.  
  3.  
  4. /*
  5.     SEM DIRETIVAS
  6.  
  7. int quadrado(int a){
  8.  
  9.     return a*a;
  10. }
  11.  
  12. int main(){
  13.  
  14.     std::cout << quadrado(5);
  15.  
  16.     return 0;
  17. }
  18.  
  19. */
  20.  
  21. /*        COM DIRETIVAS
  22.  
  23. #define quadrado(a) a*a
  24.  
  25. int main(){
  26.  
  27.     int z;
  28.     z = quadrado(5);
  29.     std::cout << z;
  30.     return 0;
  31. }
  32. */
  33.  
  34. #define troca(a,b) {int c = a; a = b; b = c; }
  35. int main(){
  36.  
  37.     int x = 10;
  38.     int y = 20;
  39.     troca(x,y);
  40.  
  41.     return 0;
  42. }
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