Pointer

SUBMITTED BY: Guest

DATE: Dec. 14, 2013, 5:57 p.m.

FORMAT: C++

SIZE: 1.7 kB

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HITS: 7596

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  1. #include <iostream>
  3. using namespace std;
  5. int main()
  6. {
  7. int *p = new int[10000];
  8. int *q;
  9. q = p;
  11. int n; //INPUT USER
  12. int ctr;
  13. ctr = 0; //penghitung jumlah data
  15. do
  16. {
  17. cout << "\nMenu:\n1. Tambah\n2. Lihat\n3. Ambil\n4. Keluar\n";
  18. cout << "Pilihan Anda: "; cin >> n;
  20. if (n == 1) //TAMBAH
  21. {
  22. if (p != NULL)
  23. {
  24. cout << "Masukkan bilangan yang mau ditambah: ";
  26. if (ctr == 0)
  27. {
  28. cin >> p[ctr];
  29. cout << p[ctr] << " berhasil ditambah\n";
  30. }
  31. else
  32. {
  33. int tmp = p[ctr - ctr];
  34. cin >> p[ctr - ctr];
  35. p[ctr] = tmp;
  36. cout << p[ctr - ctr] << " berhasil ditambah\n";
  37. }
  38. ctr++;
  39. }
  40. }
  42. else if (n == 2) cout << "Bilangan paling depan adalah: " << p[0] << "\n"; //LIHAT
  44. else if (n == 3) //AMBIL
  45. {
  46. if (p != NULL)
  47. {
  48. for (int i = 0; i < ctr; i++)
  49. {
  50. //SWAP
  51. int t = p[i];
  52. p[i] = p[i+1];
  53. p[i+1] = t;
  54. //
  55. }
  56. ctr -= 1;
  57. }
  58. }
  60. } while (n != 4);
  62. //delete memory
  63. delete [] p;
  64. p = NULL;
  65. q = NULL;
  68. return 0;
  69. }
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