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isabelgh

Untitled

Sep 8th, 2015
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  1. import java.util.Scanner;
  2.  
  3. public class IterativePascal extends ErrorPascal implements Pascal {
  4.  
  5. Scanner in = new Scanner(System.in);
  6. boolean b = in.nextBoolean();
  7.  
  8.  
  9.  
  10. public void printPascal(int n) {
  11.  
  12. termsPascal(n); //Anrop till metoden i errorpascal
  13.  
  14. if(b == true){
  15.  
  16. for (int i = 0; i <= n; i++) {
  17.  
  18. for (int j = 0; j <= i; j++) {
  19. System.out.print(binom(i, j) + " ");
  20. }
  21. System.out.println();
  22. }
  23. }
  24. if (b == false){
  25.  
  26. for (int j = n; j >= 0; j--) {
  27.  
  28. for (int i = 0; i <= j; i++) {
  29. System.out.print(binom(j, i));
  30. }
  31. System.out.println();
  32. }
  33. }
  34. }
  35.  
  36. public int binom(int n, int k) {
  37.  
  38. termsBinom(n, k);
  39.  
  40. double x = 1;
  41. double y = 1;
  42. double z = n - k;
  43. double w = 1;
  44.  
  45. for (int i = 1; i <= n; i++) {
  46. x = x * i;
  47. }
  48. for (int i = 1; i <= k; i++) {
  49.  
  50. y = y * i;
  51. }
  52. for (int i = 1; i <= z; i++) {
  53.  
  54. w = w * i;
  55. }
  56. return (int) (x/(y*w));
  57.  
  58.  
  59. }
  60.  
  61.  
  62.  
  63. }
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