Exercice langage C corrigé introduction aux pointeurs

#include 

using namespace std;

int main(int argc, char **argv) {
  int i = 9;

  cout << "Contenu de i: '" << i << "'" << endl;
  cout << "Adresse de i: '" << (unsigned int)&i << "'" << endl << endl;

  /* On declare un pointeur sur int et on lui
   * affecte l'adresse de i. On dit que p 
   * pointe sur i. */
  int *p = &i;

  cout << "Contenu de p: '" << (unsigned int)p << "'" << endl;
  cout << "Adresse de p: '" << (unsigned int)&p << "'" << endl;
  cout << "Contenu de la variable pointee par p: '" << *p << "'" << endl << endl;

  // On affecte 10 a l'adresse pointee par p.
  *p = 10;

  cout << "Contenu de la variable pointee par p: '" << *p << "'" << endl;
  cout << "Contenu de i: '" << i << "'" << endl;

  // Partie a completer

  // 3.  i incrementee de 10
  cout << "3." << endl;
  *p = *p + 10;
  cout << "Contenu de i: '" << i << "'" << endl;

  // 4.  nouveau pointeur sur i
  cout << "4." << endl;
  int *q = p;
  cout << "Contenu de la variable pointee par q: '" << *q << "'" << endl;

  // 5.  echange
  cout << "5." << endl;
  float f = 5;

  int t = *p;
  *p = int(f);
  f = t;

  cout << "Contenu de i: '" << i << "'" << endl;
  cout << "Contenu de f: '" << f << "'" << endl;

  // 6.  echange (2)
  cout << "6." << endl;
  int j = 8;
  q = &j;

  int k = *q;
  *q = *p;
  *p = k;

  cout << "Contenu de i: '" << i << "'" << endl;
  cout << "Contenu de j: '" << j << "'" << endl;

  // Fin de la partie a completer

  return 0;
}