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<p>Linked list implementation using Arrays.
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<div class="textblock"><code>#include &lt;iostream&gt;</code><br />
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Include dependency graph for linkedlist_implentation_usingarray.cpp:</div>
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Functions</h2></td></tr>
<tr class="memitem:ac2fa82ac5ae366cc3aca53a40bb7cd70"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/dce/linkedlist__implentation__usingarray_8cpp.html#ac2fa82ac5ae366cc3aca53a40bb7cd70">initialise_list</a> ()</td></tr>
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<tr class="memitem:a73e11e0871f56342a30da93b6c93e8be"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/dce/linkedlist__implentation__usingarray_8cpp.html#a73e11e0871f56342a30da93b6c93e8be">getnode</a> ()</td></tr>
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<tr class="memitem:a08ba214242a900e7251cec556b592f02"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/dce/linkedlist__implentation__usingarray_8cpp.html#a08ba214242a900e7251cec556b592f02">freeNode</a> (int nodeToBeDeleted)</td></tr>
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<tr class="memitem:afcb07da7984e20b3207934696791f5df"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/dce/linkedlist__implentation__usingarray_8cpp.html#afcb07da7984e20b3207934696791f5df">insertAtTheBeginning</a> (int <a class="el" href="../../d1/df3/hash__search_8cpp.html#a6e1a77282bc65ad359d753d25df23243">data</a>)</td></tr>
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<tr class="memitem:a92e0c1bb3b270143881e36b5fea8a60d"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/dce/linkedlist__implentation__usingarray_8cpp.html#a92e0c1bb3b270143881e36b5fea8a60d">insertAtTheEnd</a> (int <a class="el" href="../../d1/df3/hash__search_8cpp.html#a6e1a77282bc65ad359d753d25df23243">data</a>)</td></tr>
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<tr class="memitem:a1e5b20fed15743656bb6d2e6a6ea6269"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d3/dce/linkedlist__implentation__usingarray_8cpp.html#a1e5b20fed15743656bb6d2e6a6ea6269">display</a> ()</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="../../d3/dce/linkedlist__implentation__usingarray_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a> ()</td></tr>
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Variables</h2></td></tr>
<tr class="memitem:aed19b403f559fc5d5a4bce724f9e263c"><td class="memItemLeft" align="right" valign="top"><a id="aed19b403f559fc5d5a4bce724f9e263c" name="aed19b403f559fc5d5a4bce724f9e263c"></a>
<a class="el" href="../../db/d8b/struct_node.html">Node</a>&#160;</td><td class="memItemRight" valign="bottom"><b>AvailArray</b> [100]</td></tr>
<tr class="memdesc:aed19b403f559fc5d5a4bce724f9e263c"><td class="mdescLeft">&#160;</td><td class="mdescRight">array that will act as nodes of a linked list. <br /></td></tr>
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int&#160;</td><td class="memItemRight" valign="bottom"><b>head</b> = -1</td></tr>
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int&#160;</td><td class="memItemRight" valign="bottom"><b>avail</b> = 0</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p >Linked list implementation using Arrays. </p>
<p >The difference between the pointer implementation of linked list and array implementation of linked list:</p><ol type="1">
<li>The NULL is represented by -1;</li>
<li>Limited size. (in the following case it is 100 nodes at max). But we can reuse the nodes that are to be deleted by again linking it bacj to the list. </li>
</ol>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="a1e5b20fed15743656bb6d2e6a6ea6269" name="a1e5b20fed15743656bb6d2e6a6ea6269"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1e5b20fed15743656bb6d2e6a6ea6269">&#9670;&nbsp;</a></span>display()</h2>
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<td class="memname">void display </td>
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<div class="fragment"><div class="line"><span class="lineno"> 69</span> {</div>
<div class="line"><span class="lineno"> 70</span> <span class="keywordtype">int</span> temp = head;</div>
<div class="line"><span class="lineno"> 71</span> <span class="keywordflow">while</span> (temp != -1) {</div>
<div class="line"><span class="lineno"> 72</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> &lt;&lt; <a class="code hl_variable" href="../../d3/dce/linkedlist__implentation__usingarray_8cpp.html#aed19b403f559fc5d5a4bce724f9e263c">AvailArray</a>[temp].data &lt;&lt; <span class="stringliteral">&quot;-&gt;&quot;</span>;</div>
<div class="line"><span class="lineno"> 73</span> temp = <a class="code hl_variable" href="../../d3/dce/linkedlist__implentation__usingarray_8cpp.html#aed19b403f559fc5d5a4bce724f9e263c">AvailArray</a>[temp].next;</div>
<div class="line"><span class="lineno"> 74</span> }</div>
<div class="line"><span class="lineno"> 75</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;-1&quot;</span> &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><span class="lineno"> 76</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="aendl_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a></div><div class="ttdeci">T endl(T... args)</div></div>
<div class="ttc" id="alinkedlist__implentation__usingarray_8cpp_html_aed19b403f559fc5d5a4bce724f9e263c"><div class="ttname"><a href="../../d3/dce/linkedlist__implentation__usingarray_8cpp.html#aed19b403f559fc5d5a4bce724f9e263c">AvailArray</a></div><div class="ttdeci">Node AvailArray[100]</div><div class="ttdoc">array that will act as nodes of a linked list.</div><div class="ttdef"><b>Definition:</b> linkedlist_implentation_usingarray.cpp:19</div></div>
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<a id="a08ba214242a900e7251cec556b592f02" name="a08ba214242a900e7251cec556b592f02"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a08ba214242a900e7251cec556b592f02">&#9670;&nbsp;</a></span>freeNode()</h2>
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<td class="memname">void freeNode </td>
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<td class="paramtype">int&#160;</td>
<td class="paramname"><em>nodeToBeDeleted</em></td><td>)</td>
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<p >This function when called will delete the node with the index presented as an argument, and will put back that node into the array. </p>
<div class="fragment"><div class="line"><span class="lineno"> 42</span> {</div>
<div class="line"><span class="lineno"> 43</span> <a class="code hl_variable" href="../../d3/dce/linkedlist__implentation__usingarray_8cpp.html#aed19b403f559fc5d5a4bce724f9e263c">AvailArray</a>[nodeToBeDeleted].next = avail;</div>
<div class="line"><span class="lineno"> 44</span> avail = nodeToBeDeleted;</div>
<div class="line"><span class="lineno"> 45</span>}</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a73e11e0871f56342a30da93b6c93e8be">&#9670;&nbsp;</a></span>getnode()</h2>
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<td class="memname">int getnode </td>
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<p >This will return the index of the first free node present in the avail list </p>
<div class="fragment"><div class="line"><span class="lineno"> 32</span> {</div>
<div class="line"><span class="lineno"> 33</span> <span class="keywordtype">int</span> NodeIndexToBeReturned = avail;</div>
<div class="line"><span class="lineno"> 34</span> avail = <a class="code hl_variable" href="../../d3/dce/linkedlist__implentation__usingarray_8cpp.html#aed19b403f559fc5d5a4bce724f9e263c">AvailArray</a>[avail].next;</div>
<div class="line"><span class="lineno"> 35</span> <span class="keywordflow">return</span> NodeIndexToBeReturned;</div>
<div class="line"><span class="lineno"> 36</span>}</div>
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<a id="ac2fa82ac5ae366cc3aca53a40bb7cd70" name="ac2fa82ac5ae366cc3aca53a40bb7cd70"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac2fa82ac5ae366cc3aca53a40bb7cd70">&#9670;&nbsp;</a></span>initialise_list()</h2>
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<td class="memname">void initialise_list </td>
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<div class="fragment"><div class="line"><span class="lineno"> 23</span> {</div>
<div class="line"><span class="lineno"> 24</span> <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt;= 98; i++) {</div>
<div class="line"><span class="lineno"> 25</span> <a class="code hl_variable" href="../../d3/dce/linkedlist__implentation__usingarray_8cpp.html#aed19b403f559fc5d5a4bce724f9e263c">AvailArray</a>[i].next = i + 1;</div>
<div class="line"><span class="lineno"> 26</span> }</div>
<div class="line"><span class="lineno"> 27</span> <a class="code hl_variable" href="../../d3/dce/linkedlist__implentation__usingarray_8cpp.html#aed19b403f559fc5d5a4bce724f9e263c">AvailArray</a>[99].next = -1; <span class="comment">// indicating the end of the linked list.</span></div>
<div class="line"><span class="lineno"> 28</span>}</div>
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<a id="afcb07da7984e20b3207934696791f5df" name="afcb07da7984e20b3207934696791f5df"></a>
<h2 class="memtitle"><span class="permalink"><a href="#afcb07da7984e20b3207934696791f5df">&#9670;&nbsp;</a></span>insertAtTheBeginning()</h2>
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<td class="memname">void insertAtTheBeginning </td>
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<td class="paramname"><em>data</em></td><td>)</td>
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<p >The function will insert the given data into the front of the linked list. </p>
<div class="fragment"><div class="line"><span class="lineno"> 50</span> {</div>
<div class="line"><span class="lineno"> 51</span> <span class="keywordtype">int</span> newNode = <a class="code hl_function" href="../../d3/dce/linkedlist__implentation__usingarray_8cpp.html#a73e11e0871f56342a30da93b6c93e8be">getnode</a>();</div>
<div class="line"><span class="lineno"> 52</span> <a class="code hl_variable" href="../../d3/dce/linkedlist__implentation__usingarray_8cpp.html#aed19b403f559fc5d5a4bce724f9e263c">AvailArray</a>[newNode].data = <a class="code hl_variable" href="../../d1/df3/hash__search_8cpp.html#a6e1a77282bc65ad359d753d25df23243">data</a>;</div>
<div class="line"><span class="lineno"> 53</span> <a class="code hl_variable" href="../../d3/dce/linkedlist__implentation__usingarray_8cpp.html#aed19b403f559fc5d5a4bce724f9e263c">AvailArray</a>[newNode].next = head;</div>
<div class="line"><span class="lineno"> 54</span> head = newNode;</div>
<div class="line"><span class="lineno"> 55</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="alinkedlist__implentation__usingarray_8cpp_html_a73e11e0871f56342a30da93b6c93e8be"><div class="ttname"><a href="../../d3/dce/linkedlist__implentation__usingarray_8cpp.html#a73e11e0871f56342a30da93b6c93e8be">getnode</a></div><div class="ttdeci">int getnode()</div><div class="ttdef"><b>Definition:</b> linkedlist_implentation_usingarray.cpp:32</div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#a92e0c1bb3b270143881e36b5fea8a60d">&#9670;&nbsp;</a></span>insertAtTheEnd()</h2>
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<td class="memname">void insertAtTheEnd </td>
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<td class="paramname"><em>data</em></td><td>)</td>
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<div class="fragment"><div class="line"><span class="lineno"> 57</span> {</div>
<div class="line"><span class="lineno"> 58</span> <span class="keywordtype">int</span> newNode = <a class="code hl_function" href="../../d3/dce/linkedlist__implentation__usingarray_8cpp.html#a73e11e0871f56342a30da93b6c93e8be">getnode</a>();</div>
<div class="line"><span class="lineno"> 59</span> <span class="keywordtype">int</span> temp = head;</div>
<div class="line"><span class="lineno"> 60</span> <span class="keywordflow">while</span> (<a class="code hl_variable" href="../../d3/dce/linkedlist__implentation__usingarray_8cpp.html#aed19b403f559fc5d5a4bce724f9e263c">AvailArray</a>[temp].next != -1) {</div>
<div class="line"><span class="lineno"> 61</span> temp = <a class="code hl_variable" href="../../d3/dce/linkedlist__implentation__usingarray_8cpp.html#aed19b403f559fc5d5a4bce724f9e263c">AvailArray</a>[temp].next;</div>
<div class="line"><span class="lineno"> 62</span> }</div>
<div class="line"><span class="lineno"> 63</span> <span class="comment">// temp is now pointing to the end node.</span></div>
<div class="line"><span class="lineno"> 64</span> <a class="code hl_variable" href="../../d3/dce/linkedlist__implentation__usingarray_8cpp.html#aed19b403f559fc5d5a4bce724f9e263c">AvailArray</a>[newNode].data = <a class="code hl_variable" href="../../d1/df3/hash__search_8cpp.html#a6e1a77282bc65ad359d753d25df23243">data</a>;</div>
<div class="line"><span class="lineno"> 65</span> <a class="code hl_variable" href="../../d3/dce/linkedlist__implentation__usingarray_8cpp.html#aed19b403f559fc5d5a4bce724f9e263c">AvailArray</a>[newNode].next = -1;</div>
<div class="line"><span class="lineno"> 66</span> <a class="code hl_variable" href="../../d3/dce/linkedlist__implentation__usingarray_8cpp.html#aed19b403f559fc5d5a4bce724f9e263c">AvailArray</a>[temp].next = newNode;</div>
<div class="line"><span class="lineno"> 67</span>}</div>
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<h2 class="memtitle"><span class="permalink"><a href="#ae66f6b31b5ad750f1fe042a706a4e3d4">&#9670;&nbsp;</a></span>main()</h2>
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<td class="memname">int main </td>
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<p >Main function </p>
<div class="fragment"><div class="line"><span class="lineno"> 79</span> {</div>
<div class="line"><span class="lineno"> 80</span> initialise_list();</div>
<div class="line"><span class="lineno"> 81</span> <span class="keywordtype">int</span> x, y, z;</div>
<div class="line"><span class="lineno"> 82</span> <span class="keywordflow">for</span> (;;) {</div>
<div class="line"><span class="lineno"> 83</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;1. Insert At The Beginning&quot;</span> &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><span class="lineno"> 84</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;2. Insert At The End&quot;</span> &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><span class="lineno"> 85</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;3. Display&quot;</span> &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><span class="lineno"> 86</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;4.Exit&quot;</span> &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><span class="lineno"> 87</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;Enter Your choice&quot;</span> &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><span class="lineno"> 88</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a> &gt;&gt; z;</div>
<div class="line"><span class="lineno"> 89</span> <span class="keywordflow">switch</span> (z) {</div>
<div class="line"><span class="lineno"> 90</span> <span class="keywordflow">case</span> 1:</div>
<div class="line"><span class="lineno"> 91</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;Enter the number you want to enter&quot;</span> &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><span class="lineno"> 92</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a> &gt;&gt; x;</div>
<div class="line"><span class="lineno"> 93</span> <a class="code hl_function" href="../../d3/dce/linkedlist__implentation__usingarray_8cpp.html#afcb07da7984e20b3207934696791f5df">insertAtTheBeginning</a>(x);</div>
<div class="line"><span class="lineno"> 94</span> <span class="keywordflow">break</span>;</div>
<div class="line"><span class="lineno"> 95</span> <span class="keywordflow">case</span> 2:</div>
<div class="line"><span class="lineno"> 96</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;Enter the number you want to enter&quot;</span> &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><span class="lineno"> 97</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a> &gt;&gt; y;</div>
<div class="line"><span class="lineno"> 98</span> insertAtTheEnd(y);</div>
<div class="line"><span class="lineno"> 99</span> <span class="keywordflow">break</span>;</div>
<div class="line"><span class="lineno"> 100</span> <span class="keywordflow">case</span> 3:</div>
<div class="line"><span class="lineno"> 101</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a></div>
<div class="line"><span class="lineno"> 102</span> &lt;&lt; <span class="stringliteral">&quot;The linked list contains the following element in order&quot;</span></div>
<div class="line"><span class="lineno"> 103</span> &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><span class="lineno"> 104</span> display();</div>
<div class="line"><span class="lineno"> 105</span> <span class="keywordflow">break</span>;</div>
<div class="line"><span class="lineno"> 106</span> <span class="keywordflow">case</span> 4:</div>
<div class="line"><span class="lineno"> 107</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><span class="lineno"> 108</span> <span class="keywordflow">default</span>:</div>
<div class="line"><span class="lineno"> 109</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;The entered choice is not correct&quot;</span> &lt;&lt; <a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/manip/endl.html">std::endl</a>;</div>
<div class="line"><span class="lineno"> 110</span> }</div>
<div class="line"><span class="lineno"> 111</span> }</div>
<div class="line"><span class="lineno"> 112</span> </div>
<div class="line"><span class="lineno"> 113</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><span class="lineno"> 114</span>}</div>
<div class="ttc" id="abasic_istream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_istream.html">std::cin</a></div></div>
<div class="ttc" id="alinkedlist__implentation__usingarray_8cpp_html_afcb07da7984e20b3207934696791f5df"><div class="ttname"><a href="../../d3/dce/linkedlist__implentation__usingarray_8cpp.html#afcb07da7984e20b3207934696791f5df">insertAtTheBeginning</a></div><div class="ttdeci">void insertAtTheBeginning(int data)</div><div class="ttdef"><b>Definition:</b> linkedlist_implentation_usingarray.cpp:50</div></div>
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