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binary-search-tree.tex

binary-search-tree.tex 1.2 KB
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  1. \documentclass{article}
    2. 

  2. \usepackage[pdftex,active,tightpage]{preview}
    3. 

  3. \setlength\PreviewBorder{2mm}
    4. 

  4. 

  5. \usepackage{tikz}
    6. 

  6. \usetikzlibrary{arrows,positioning, calc}
    7. 

  7. \tikzstyle{vertex}=[draw,fill=black!15,circle,minimum size=18pt,inner sep=0pt]
    8. 

  8. 

  9. 

  10. \begin{document}
    11. 

  11. \begin{preview}
    12. 

  12. \begin{tikzpicture}[very thick,level/.style={sibling distance=70mm/#1}]
    13. 

  13. \node [vertex] (r){$17$}
    14. 

  14.   child {
    15. 

  15.     node [vertex] (a) {$9$}
    16. 

  16.     child {
    17. 

  17.       node [vertex] {$3$}
    18. 

  18.       child {
    19. 

  19.         node [vertex] {$-3$}
    20. 

  20.         child {node [vertex] {$-4$}}
    21. 

  21.         child {
    22. 

  22.             node [vertex] {$2$}
    23. 

  23.             child {
    24. 

  24.                 node [vertex] {$2$}
    25. 

  25.             }
    26. 

  26.         }
    27. 

  27.       }
    28. 

  28.       child {
    29. 

  29.         node [vertex] {$8$}
    30. 

  30.         child {
    31. 

  31.             node [vertex] {$6$}
    32. 

  32.             child {
    33. 

  33.                 node [vertex] {$5$}
    34. 

  34.             }
    35. 

  35.             child {
    36. 

  36.                 node [vertex] {$7$}
    37. 

  37.             }
    38. 

  38.         }
    39. 

  39.       }
    40. 

  40.     }
    41. 

  41.     child {
    42. 

  42.       node [vertex] {$11$}
    43. 

  43.       child {
    44. 

  44.         node [vertex] {$17$}
    45. 

  45.           child {
    46. 

  46.             node [vertex] {$17$}
    47. 

  47.           }
    48. 

  48.       }
    49. 

  49.     }
    50. 

  50.   }
    51. 

  51.   child {
    52. 

  52.     node [vertex] {$19$}
    53. 

  53.     child {
    54. 

  54.       node [vertex] {$20$}
    55. 

  55.     }
    56. 

  56.   };
    57. 

  57. \end{tikzpicture}
    58. 

  58. \end{preview}
    59. 

  59. \end{document}
    60. 

  60.