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<p>A simple tree implementation using nodes.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include &lt;algorithm&gt;</code><br />
<code>#include &lt;iostream&gt;</code><br />
<code>#include &lt;queue&gt;</code><br />
</div><div class="textblock"><div class="dynheader">
Include dependency graph for avltree.cpp:</div>
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typedef struct <a class="el" href="../../d5/da1/structnode.html">node</a>&#160;</td><td class="memItemRight" valign="bottom"><b>node</b></td></tr>
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Functions</h2></td></tr>
<tr class="memitem:a48d897353aeb6a721dbc6b6c57e035e6"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d5/da1/structnode.html">node</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d8/dee/avltree_8cpp.html#a48d897353aeb6a721dbc6b6c57e035e6">createNode</a> (int <a class="el" href="../../d1/df3/hash__search_8cpp.html#a6e1a77282bc65ad359d753d25df23243">data</a>)</td></tr>
<tr class="separator:a48d897353aeb6a721dbc6b6c57e035e6"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae4a66d8b0c2b0d626aea45977e358c83"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d8/dee/avltree_8cpp.html#ae4a66d8b0c2b0d626aea45977e358c83">height</a> (<a class="el" href="../../d5/da1/structnode.html">node</a> *root)</td></tr>
<tr class="separator:ae4a66d8b0c2b0d626aea45977e358c83"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aaa457ffec24c9643f2768e7a65e96546"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d8/dee/avltree_8cpp.html#aaa457ffec24c9643f2768e7a65e96546">getBalance</a> (<a class="el" href="../../d5/da1/structnode.html">node</a> *root)</td></tr>
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<tr class="memitem:adfc1d482a564c041756719667b955b8c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d5/da1/structnode.html">node</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d8/dee/avltree_8cpp.html#adfc1d482a564c041756719667b955b8c">rightRotate</a> (<a class="el" href="../../d5/da1/structnode.html">node</a> *root)</td></tr>
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<tr class="memitem:a473eee1803e4e44a54d685e4b0eef5a6"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d5/da1/structnode.html">node</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d8/dee/avltree_8cpp.html#a473eee1803e4e44a54d685e4b0eef5a6">leftRotate</a> (<a class="el" href="../../d5/da1/structnode.html">node</a> *root)</td></tr>
<tr class="separator:a473eee1803e4e44a54d685e4b0eef5a6"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a5fa160a678a34dd51c0aea1c0c00ed5e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d5/da1/structnode.html">node</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d8/dee/avltree_8cpp.html#a5fa160a678a34dd51c0aea1c0c00ed5e">minValue</a> (<a class="el" href="../../d5/da1/structnode.html">node</a> *root)</td></tr>
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<tr class="memitem:a2473fe7416332495b2678ebe89652e4b"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d5/da1/structnode.html">node</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d8/dee/avltree_8cpp.html#a2473fe7416332495b2678ebe89652e4b">insert</a> (<a class="el" href="../../d5/da1/structnode.html">node</a> *root, int item)</td></tr>
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<tr class="memitem:a9977e004a42fade067836b295a0aa7c1"><td class="memItemLeft" align="right" valign="top"><a class="el" href="../../d5/da1/structnode.html">node</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d8/dee/avltree_8cpp.html#a9977e004a42fade067836b295a0aa7c1">deleteNode</a> (<a class="el" href="../../d5/da1/structnode.html">node</a> *root, int key)</td></tr>
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<tr class="memitem:ae197eb50188fb761346952b9b5f6be59"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d8/dee/avltree_8cpp.html#ae197eb50188fb761346952b9b5f6be59">levelOrder</a> (<a class="el" href="../../d5/da1/structnode.html">node</a> *root)</td></tr>
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<tr class="memitem:ae66f6b31b5ad750f1fe042a706a4e3d4"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d8/dee/avltree_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a> ()</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>A simple tree implementation using nodes. </p>
<dl class="todo"><dt><b><a class="el" href="../../dd/da0/todo.html#_todo000002">Todo:</a></b></dt><dd>update code to use C++ STL library features and OO structure </dd></dl>
<dl class="section warning"><dt>Warning</dt><dd>This program is a poor implementation and does not utilize any of the C++ STL features. </dd></dl>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="a48d897353aeb6a721dbc6b6c57e035e6" name="a48d897353aeb6a721dbc6b6c57e035e6"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a48d897353aeb6a721dbc6b6c57e035e6">&#9670;&#160;</a></span>createNode()</h2>
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<td class="memname"><a class="el" href="../../d5/da1/structnode.html">node</a> * createNode </td>
<td>(</td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>data</em></td><td>)</td>
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<p>Create and return a new <a class="el" href="../../db/d8b/struct_node.html">Node</a> </p>
<div class="fragment"><div class="line"><span class="lineno"> 21</span> {</div>
<div class="line"><span class="lineno"> 22</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *nn = <span class="keyword">new</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a>();</div>
<div class="line"><span class="lineno"> 23</span> nn-&gt;data = <a class="code hl_variable" href="../../d1/df3/hash__search_8cpp.html#a6e1a77282bc65ad359d753d25df23243">data</a>;</div>
<div class="line"><span class="lineno"> 24</span> nn-&gt;height = 0;</div>
<div class="line"><span class="lineno"> 25</span> nn-&gt;left = NULL;</div>
<div class="line"><span class="lineno"> 26</span> nn-&gt;right = NULL;</div>
<div class="line"><span class="lineno"> 27</span> <span class="keywordflow">return</span> nn;</div>
<div class="line"><span class="lineno"> 28</span>}</div>
<div class="ttc" id="ahash__search_8cpp_html_a6e1a77282bc65ad359d753d25df23243"><div class="ttname"><a href="../../d1/df3/hash__search_8cpp.html#a6e1a77282bc65ad359d753d25df23243">data</a></div><div class="ttdeci">int data[MAX]</div><div class="ttdoc">test data</div><div class="ttdef"><b>Definition:</b> hash_search.cpp:24</div></div>
<div class="ttc" id="astructnode_html"><div class="ttname"><a href="../../d5/da1/structnode.html">node</a></div><div class="ttdef"><b>Definition:</b> avltree.cpp:13</div></div>
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<a id="a9977e004a42fade067836b295a0aa7c1" name="a9977e004a42fade067836b295a0aa7c1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a9977e004a42fade067836b295a0aa7c1">&#9670;&#160;</a></span>deleteNode()</h2>
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<div class="memproto">
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<td class="memname"><a class="el" href="../../d5/da1/structnode.html">node</a> * deleteNode </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d5/da1/structnode.html">node</a> *&#160;</td>
<td class="paramname"><em>root</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>key</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
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<p>Balanced Deletion </p>
<div class="fragment"><div class="line"><span class="lineno"> 88</span> {</div>
<div class="line"><span class="lineno"> 89</span> <span class="keywordflow">if</span> (root == NULL)</div>
<div class="line"><span class="lineno"> 90</span> <span class="keywordflow">return</span> root;</div>
<div class="line"><span class="lineno"> 91</span> <span class="keywordflow">if</span> (key &lt; root-&gt;<a class="code hl_variable" href="../../d1/df3/hash__search_8cpp.html#a6e1a77282bc65ad359d753d25df23243">data</a>)</div>
<div class="line"><span class="lineno"> 92</span> root-&gt;left = <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a9977e004a42fade067836b295a0aa7c1">deleteNode</a>(root-&gt;left, key);</div>
<div class="line"><span class="lineno"> 93</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (key &gt; root-&gt;<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector/data.html">data</a>)</div>
<div class="line"><span class="lineno"> 94</span> root-&gt;right = <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a9977e004a42fade067836b295a0aa7c1">deleteNode</a>(root-&gt;right, key);</div>
<div class="line"><span class="lineno"> 95</span> </div>
<div class="line"><span class="lineno"> 96</span> <span class="keywordflow">else</span> {</div>
<div class="line"><span class="lineno"> 97</span> <span class="comment">// Node to be deleted is leaf node or have only one Child</span></div>
<div class="line"><span class="lineno"> 98</span> <span class="keywordflow">if</span> (!root-&gt;right) {</div>
<div class="line"><span class="lineno"> 99</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *temp = root-&gt;left;</div>
<div class="line"><span class="lineno"> 100</span> <span class="keyword">delete</span> (root);</div>
<div class="line"><span class="lineno"> 101</span> root = NULL;</div>
<div class="line"><span class="lineno"> 102</span> <span class="keywordflow">return</span> temp;</div>
<div class="line"><span class="lineno"> 103</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!root-&gt;left) {</div>
<div class="line"><span class="lineno"> 104</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *temp = root-&gt;right;</div>
<div class="line"><span class="lineno"> 105</span> <span class="keyword">delete</span> (root);</div>
<div class="line"><span class="lineno"> 106</span> root = NULL;</div>
<div class="line"><span class="lineno"> 107</span> <span class="keywordflow">return</span> temp;</div>
<div class="line"><span class="lineno"> 108</span> }</div>
<div class="line"><span class="lineno"> 109</span> <span class="comment">// Node to be deleted have both left and right subtrees</span></div>
<div class="line"><span class="lineno"> 110</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *temp = <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a5fa160a678a34dd51c0aea1c0c00ed5e">minValue</a>(root-&gt;right);</div>
<div class="line"><span class="lineno"> 111</span> root-&gt;<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector/data.html">data</a> = temp-&gt;data;</div>
<div class="line"><span class="lineno"> 112</span> root-&gt;right = <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a9977e004a42fade067836b295a0aa7c1">deleteNode</a>(root-&gt;right, temp-&gt;data);</div>
<div class="line"><span class="lineno"> 113</span> }</div>
<div class="line"><span class="lineno"> 114</span> <span class="comment">// Balancing Tree after deletion</span></div>
<div class="line"><span class="lineno"> 115</span> <span class="keywordflow">return</span> root;</div>
<div class="line"><span class="lineno"> 116</span>}</div>
<div class="ttc" id="aavltree_8cpp_html_a5fa160a678a34dd51c0aea1c0c00ed5e"><div class="ttname"><a href="../../d8/dee/avltree_8cpp.html#a5fa160a678a34dd51c0aea1c0c00ed5e">minValue</a></div><div class="ttdeci">node * minValue(node *root)</div><div class="ttdef"><b>Definition:</b> avltree.cpp:59</div></div>
<div class="ttc" id="aavltree_8cpp_html_a9977e004a42fade067836b295a0aa7c1"><div class="ttname"><a href="../../d8/dee/avltree_8cpp.html#a9977e004a42fade067836b295a0aa7c1">deleteNode</a></div><div class="ttdeci">node * deleteNode(node *root, int key)</div><div class="ttdef"><b>Definition:</b> avltree.cpp:88</div></div>
<div class="ttc" id="adata_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector/data.html">std::vector::data</a></div><div class="ttdeci">T data(T... args)</div></div>
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Here is the call graph for this function:</div>
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<h2 class="memtitle"><span class="permalink"><a href="#aaa457ffec24c9643f2768e7a65e96546">&#9670;&#160;</a></span>getBalance()</h2>
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<td class="memname">int getBalance </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d5/da1/structnode.html">node</a> *&#160;</td>
<td class="paramname"><em>root</em></td><td>)</td>
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<p>Returns difference between height of left and right subtree </p>
<div class="fragment"><div class="line"><span class="lineno"> 38</span>{ <span class="keywordflow">return</span> <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#ae4a66d8b0c2b0d626aea45977e358c83">height</a>(root-&gt;left) - <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#ae4a66d8b0c2b0d626aea45977e358c83">height</a>(root-&gt;right); }</div>
<div class="ttc" id="aavltree_8cpp_html_ae4a66d8b0c2b0d626aea45977e358c83"><div class="ttname"><a href="../../d8/dee/avltree_8cpp.html#ae4a66d8b0c2b0d626aea45977e358c83">height</a></div><div class="ttdeci">int height(node *root)</div><div class="ttdef"><b>Definition:</b> avltree.cpp:31</div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#ae4a66d8b0c2b0d626aea45977e358c83">&#9670;&#160;</a></span>height()</h2>
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<td class="memname">int height </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d5/da1/structnode.html">node</a> *&#160;</td>
<td class="paramname"><em>root</em></td><td>)</td>
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<p>Returns height of tree </p>
<div class="fragment"><div class="line"><span class="lineno"> 31</span> {</div>
<div class="line"><span class="lineno"> 32</span> <span class="keywordflow">if</span> (root == NULL)</div>
<div class="line"><span class="lineno"> 33</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><span class="lineno"> 34</span> <span class="keywordflow">return</span> 1 + <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/algorithm/max.html">std::max</a>(<a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#ae4a66d8b0c2b0d626aea45977e358c83">height</a>(root-&gt;left), <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#ae4a66d8b0c2b0d626aea45977e358c83">height</a>(root-&gt;right));</div>
<div class="line"><span class="lineno"> 35</span>}</div>
<div class="ttc" id="amax_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/max.html">std::max</a></div><div class="ttdeci">T max(T... args)</div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#a2473fe7416332495b2678ebe89652e4b">&#9670;&#160;</a></span>insert()</h2>
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<td class="memname"><a class="el" href="../../d5/da1/structnode.html">node</a> * insert </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d5/da1/structnode.html">node</a> *&#160;</td>
<td class="paramname"><em>root</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>item</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
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<p>Balanced Insertion </p>
<div class="fragment"><div class="line"><span class="lineno"> 66</span> {</div>
<div class="line"><span class="lineno"> 67</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *nn = <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a48d897353aeb6a721dbc6b6c57e035e6">createNode</a>(item);</div>
<div class="line"><span class="lineno"> 68</span> <span class="keywordflow">if</span> (root == NULL)</div>
<div class="line"><span class="lineno"> 69</span> <span class="keywordflow">return</span> nn;</div>
<div class="line"><span class="lineno"> 70</span> <span class="keywordflow">if</span> (item &lt; root-&gt;<a class="code hl_variable" href="../../d1/df3/hash__search_8cpp.html#a6e1a77282bc65ad359d753d25df23243">data</a>)</div>
<div class="line"><span class="lineno"> 71</span> root-&gt;left = <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a2473fe7416332495b2678ebe89652e4b">insert</a>(root-&gt;left, item);</div>
<div class="line"><span class="lineno"> 72</span> <span class="keywordflow">else</span></div>
<div class="line"><span class="lineno"> 73</span> root-&gt;right = <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a2473fe7416332495b2678ebe89652e4b">insert</a>(root-&gt;right, item);</div>
<div class="line"><span class="lineno"> 74</span> <span class="keywordtype">int</span> b = <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#aaa457ffec24c9643f2768e7a65e96546">getBalance</a>(root);</div>
<div class="line"><span class="lineno"> 75</span> <span class="keywordflow">if</span> (b &gt; 1) {</div>
<div class="line"><span class="lineno"> 76</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#aaa457ffec24c9643f2768e7a65e96546">getBalance</a>(root-&gt;left) &lt; 0)</div>
<div class="line"><span class="lineno"> 77</span> root-&gt;left = <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a473eee1803e4e44a54d685e4b0eef5a6">leftRotate</a>(root-&gt;left); <span class="comment">// Left-Right Case</span></div>
<div class="line"><span class="lineno"> 78</span> <span class="keywordflow">return</span> <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#adfc1d482a564c041756719667b955b8c">rightRotate</a>(root); <span class="comment">// Left-Left Case</span></div>
<div class="line"><span class="lineno"> 79</span> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (b &lt; -1) {</div>
<div class="line"><span class="lineno"> 80</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#aaa457ffec24c9643f2768e7a65e96546">getBalance</a>(root-&gt;right) &gt; 0)</div>
<div class="line"><span class="lineno"> 81</span> root-&gt;right = <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#adfc1d482a564c041756719667b955b8c">rightRotate</a>(root-&gt;right); <span class="comment">// Right-Left Case</span></div>
<div class="line"><span class="lineno"> 82</span> <span class="keywordflow">return</span> <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a473eee1803e4e44a54d685e4b0eef5a6">leftRotate</a>(root); <span class="comment">// Right-Right Case</span></div>
<div class="line"><span class="lineno"> 83</span> }</div>
<div class="line"><span class="lineno"> 84</span> <span class="keywordflow">return</span> root;</div>
<div class="line"><span class="lineno"> 85</span>}</div>
<div class="ttc" id="aavltree_8cpp_html_a2473fe7416332495b2678ebe89652e4b"><div class="ttname"><a href="../../d8/dee/avltree_8cpp.html#a2473fe7416332495b2678ebe89652e4b">insert</a></div><div class="ttdeci">node * insert(node *root, int item)</div><div class="ttdef"><b>Definition:</b> avltree.cpp:66</div></div>
<div class="ttc" id="aavltree_8cpp_html_a473eee1803e4e44a54d685e4b0eef5a6"><div class="ttname"><a href="../../d8/dee/avltree_8cpp.html#a473eee1803e4e44a54d685e4b0eef5a6">leftRotate</a></div><div class="ttdeci">node * leftRotate(node *root)</div><div class="ttdef"><b>Definition:</b> avltree.cpp:50</div></div>
<div class="ttc" id="aavltree_8cpp_html_a48d897353aeb6a721dbc6b6c57e035e6"><div class="ttname"><a href="../../d8/dee/avltree_8cpp.html#a48d897353aeb6a721dbc6b6c57e035e6">createNode</a></div><div class="ttdeci">node * createNode(int data)</div><div class="ttdef"><b>Definition:</b> avltree.cpp:21</div></div>
<div class="ttc" id="aavltree_8cpp_html_aaa457ffec24c9643f2768e7a65e96546"><div class="ttname"><a href="../../d8/dee/avltree_8cpp.html#aaa457ffec24c9643f2768e7a65e96546">getBalance</a></div><div class="ttdeci">int getBalance(node *root)</div><div class="ttdef"><b>Definition:</b> avltree.cpp:38</div></div>
<div class="ttc" id="aavltree_8cpp_html_adfc1d482a564c041756719667b955b8c"><div class="ttname"><a href="../../d8/dee/avltree_8cpp.html#adfc1d482a564c041756719667b955b8c">rightRotate</a></div><div class="ttdeci">node * rightRotate(node *root)</div><div class="ttdef"><b>Definition:</b> avltree.cpp:41</div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#a473eee1803e4e44a54d685e4b0eef5a6">&#9670;&#160;</a></span>leftRotate()</h2>
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<td class="memname"><a class="el" href="../../d5/da1/structnode.html">node</a> * leftRotate </td>
<td>(</td>
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<td class="paramname"><em>root</em></td><td>)</td>
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<p>Returns <a class="el" href="../../db/d8b/struct_node.html">Node</a> after Left Rotation </p>
<div class="fragment"><div class="line"><span class="lineno"> 50</span> {</div>
<div class="line"><span class="lineno"> 51</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *t = root-&gt;right;</div>
<div class="line"><span class="lineno"> 52</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *u = t-&gt;left;</div>
<div class="line"><span class="lineno"> 53</span> t-&gt;left = root;</div>
<div class="line"><span class="lineno"> 54</span> root-&gt;right = u;</div>
<div class="line"><span class="lineno"> 55</span> <span class="keywordflow">return</span> t;</div>
<div class="line"><span class="lineno"> 56</span>}</div>
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<h2 class="memtitle"><span class="permalink"><a href="#ae197eb50188fb761346952b9b5f6be59">&#9670;&#160;</a></span>levelOrder()</h2>
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<td class="memname">void levelOrder </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d5/da1/structnode.html">node</a> *&#160;</td>
<td class="paramname"><em>root</em></td><td>)</td>
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<p>LevelOrder (Breadth First Search) </p>
<div class="fragment"><div class="line"><span class="lineno"> 119</span> {</div>
<div class="line"><span class="lineno"> 120</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/queue.html">std::queue&lt;node *&gt;</a> q;</div>
<div class="line"><span class="lineno"> 121</span> q.push(root);</div>
<div class="line"><span class="lineno"> 122</span> <span class="keywordflow">while</span> (!q.empty()) {</div>
<div class="line"><span class="lineno"> 123</span> root = q.front();</div>
<div class="line"><span class="lineno"> 124</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; root-&gt;<a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector/data.html">data</a> &lt;&lt; <span class="stringliteral">&quot; &quot;</span>;</div>
<div class="line"><span class="lineno"> 125</span> q.pop();</div>
<div class="line"><span class="lineno"> 126</span> <span class="keywordflow">if</span> (root-&gt;left)</div>
<div class="line"><span class="lineno"> 127</span> q.push(root-&gt;left);</div>
<div class="line"><span class="lineno"> 128</span> <span class="keywordflow">if</span> (root-&gt;right)</div>
<div class="line"><span class="lineno"> 129</span> q.push(root-&gt;right);</div>
<div class="line"><span class="lineno"> 130</span> }</div>
<div class="line"><span class="lineno"> 131</span>}</div>
<div class="ttc" id="abasic_ostream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a></div></div>
<div class="ttc" id="aqueue_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/queue.html">std::queue</a></div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#ae66f6b31b5ad750f1fe042a706a4e3d4">&#9670;&#160;</a></span>main()</h2>
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<td class="memname">int main </td>
<td>(</td>
<td class="paramtype">void&#160;</td>
<td class="paramname"></td><td>)</td>
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<p>Main function </p>
<div class="fragment"><div class="line"><span class="lineno"> 134</span> {</div>
<div class="line"><span class="lineno"> 135</span> <span class="comment">// Testing AVL Tree</span></div>
<div class="line"><span class="lineno"> 136</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *root = NULL;</div>
<div class="line"><span class="lineno"> 137</span> <span class="keywordtype">int</span> i;</div>
<div class="line"><span class="lineno"> 138</span> <span class="keywordflow">for</span> (i = 1; i &lt;= 7; i++) root = <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a2473fe7416332495b2678ebe89652e4b">insert</a>(root, i);</div>
<div class="line"><span class="lineno"> 139</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;LevelOrder: &quot;</span>;</div>
<div class="line"><span class="lineno"> 140</span> <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#ae197eb50188fb761346952b9b5f6be59">levelOrder</a>(root);</div>
<div class="line"><span class="lineno"> 141</span> root = <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a9977e004a42fade067836b295a0aa7c1">deleteNode</a>(root, 1); <span class="comment">// Deleting key with value 1</span></div>
<div class="line"><span class="lineno"> 142</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;\nLevelOrder: &quot;</span>;</div>
<div class="line"><span class="lineno"> 143</span> <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#ae197eb50188fb761346952b9b5f6be59">levelOrder</a>(root);</div>
<div class="line"><span class="lineno"> 144</span> root = <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a9977e004a42fade067836b295a0aa7c1">deleteNode</a>(root, 4); <span class="comment">// Deletin key with value 4</span></div>
<div class="line"><span class="lineno"> 145</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <span class="stringliteral">&quot;\nLevelOrder: &quot;</span>;</div>
<div class="line"><span class="lineno"> 146</span> <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#ae197eb50188fb761346952b9b5f6be59">levelOrder</a>(root);</div>
<div class="line"><span class="lineno"> 147</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><span class="lineno"> 148</span>}</div>
<div class="ttc" id="aavltree_8cpp_html_ae197eb50188fb761346952b9b5f6be59"><div class="ttname"><a href="../../d8/dee/avltree_8cpp.html#ae197eb50188fb761346952b9b5f6be59">levelOrder</a></div><div class="ttdeci">void levelOrder(node *root)</div><div class="ttdef"><b>Definition:</b> avltree.cpp:119</div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#a5fa160a678a34dd51c0aea1c0c00ed5e">&#9670;&#160;</a></span>minValue()</h2>
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<td class="memname"><a class="el" href="../../d5/da1/structnode.html">node</a> * minValue </td>
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<td class="paramname"><em>root</em></td><td>)</td>
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<p>Returns node with minimum value in the tree </p>
<div class="fragment"><div class="line"><span class="lineno"> 59</span> {</div>
<div class="line"><span class="lineno"> 60</span> <span class="keywordflow">if</span> (root-&gt;left == NULL)</div>
<div class="line"><span class="lineno"> 61</span> <span class="keywordflow">return</span> root;</div>
<div class="line"><span class="lineno"> 62</span> <span class="keywordflow">return</span> <a class="code hl_function" href="../../d8/dee/avltree_8cpp.html#a5fa160a678a34dd51c0aea1c0c00ed5e">minValue</a>(root-&gt;left);</div>
<div class="line"><span class="lineno"> 63</span>}</div>
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<h2 class="memtitle"><span class="permalink"><a href="#adfc1d482a564c041756719667b955b8c">&#9670;&#160;</a></span>rightRotate()</h2>
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<td class="memname"><a class="el" href="../../d5/da1/structnode.html">node</a> * rightRotate </td>
<td>(</td>
<td class="paramtype"><a class="el" href="../../d5/da1/structnode.html">node</a> *&#160;</td>
<td class="paramname"><em>root</em></td><td>)</td>
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<p>Returns <a class="el" href="../../db/d8b/struct_node.html">Node</a> after Right Rotation </p>
<div class="fragment"><div class="line"><span class="lineno"> 41</span> {</div>
<div class="line"><span class="lineno"> 42</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *t = root-&gt;left;</div>
<div class="line"><span class="lineno"> 43</span> <a class="code hl_class" href="../../d5/da1/structnode.html">node</a> *u = t-&gt;right;</div>
<div class="line"><span class="lineno"> 44</span> t-&gt;right = root;</div>
<div class="line"><span class="lineno"> 45</span> root-&gt;left = u;</div>
<div class="line"><span class="lineno"> 46</span> <span class="keywordflow">return</span> t;</div>
<div class="line"><span class="lineno"> 47</span>}</div>
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