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<p>Implementation for the <a href="https://www.javatpoint.com/program-to-left-rotate-the-elements-of-an-array" target="_blank">Array Left Rotation</a> algorithm.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include &lt;cassert&gt;</code><br />
<code>#include &lt;iostream&gt;</code><br />
<code>#include &lt;vector&gt;</code><br />
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Include dependency graph for array_left_rotation.cpp:</div>
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<p><a href="../../d9/d14/array__left__rotation_8cpp_source.html">Go to the source code of this file.</a></p>
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<tr class="heading"><td colspan="2"><h2 id="header-namespaces" class="groupheader"><a id="namespaces" name="namespaces"></a>
Namespaces</h2></td></tr>
<tr class="memitem:operations_5Fon_5Fdatastructures" id="r_operations_5Fon_5Fdatastructures"><td class="memItemLeft" align="right" valign="top">namespace &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../da/d6d/namespaceoperations__on__datastructures.html">operations_on_datastructures</a></td></tr>
<tr class="memdesc:da/d6d/namespaceoperations__on__datastructures"><td class="mdescLeft">&#160;</td><td class="mdescRight">for std::vector <br /></td></tr>
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<tr class="memdesc:d9/df4/namespacetests"><td class="mdescLeft">&#160;</td><td class="mdescRight">Testcases to check Union of Two Arrays. <br /></td></tr>
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Functions</h2></td></tr>
<tr class="memitem:a6109193567a5b7e36a27f2b4865fce20" id="r_a6109193567a5b7e36a27f2b4865fce20"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../da/d6d/namespaceoperations__on__datastructures.html#a6109193567a5b7e36a27f2b4865fce20">operations_on_datastructures::print</a> (const std::vector&lt; int32_t &gt; &amp;array)</td></tr>
<tr class="memdesc:a6109193567a5b7e36a27f2b4865fce20"><td class="mdescLeft">&#160;</td><td class="mdescRight">Prints the values of a vector sequentially, ending with a newline character. <br /></td></tr>
<tr class="memitem:afce39cf843989a39811a49ebe29dd6d8" id="r_afce39cf843989a39811a49ebe29dd6d8"><td class="memItemLeft" align="right" valign="top">std::vector&lt; int32_t &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../da/d6d/namespaceoperations__on__datastructures.html#afce39cf843989a39811a49ebe29dd6d8">operations_on_datastructures::shift_left</a> (const std::vector&lt; int32_t &gt; &amp;array, size_t shift)</td></tr>
<tr class="memdesc:afce39cf843989a39811a49ebe29dd6d8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Shifts the given vector to the left by the shift amount and returns a new vector with the result. The original vector is not mutated. <br /></td></tr>
<tr class="memitem:a167c24bd817469ae47358d12e034f2d5" id="r_a167c24bd817469ae47358d12e034f2d5"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d9/df4/namespacetests.html#a167c24bd817469ae47358d12e034f2d5">tests::test1</a> ()</td></tr>
<tr class="memdesc:a167c24bd817469ae47358d12e034f2d5"><td class="mdescLeft">&#160;</td><td class="mdescRight">A Test to check an simple case. <br /></td></tr>
<tr class="memitem:abdd77344d4af8fd56d14a5cabbf2f669" id="r_abdd77344d4af8fd56d14a5cabbf2f669"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d9/df4/namespacetests.html#abdd77344d4af8fd56d14a5cabbf2f669">tests::test2</a> ()</td></tr>
<tr class="memdesc:abdd77344d4af8fd56d14a5cabbf2f669"><td class="mdescLeft">&#160;</td><td class="mdescRight">A Test to check an empty vector. <br /></td></tr>
<tr class="memitem:aa515639572647508b94986489aab6d76" id="r_aa515639572647508b94986489aab6d76"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d9/df4/namespacetests.html#aa515639572647508b94986489aab6d76">tests::test3</a> ()</td></tr>
<tr class="memdesc:aa515639572647508b94986489aab6d76"><td class="mdescLeft">&#160;</td><td class="mdescRight">A Test to check an invalid shift value. <br /></td></tr>
<tr class="memitem:a2b9769e44683dcb67fe1083ad91e134d" id="r_a2b9769e44683dcb67fe1083ad91e134d"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d9/df4/namespacetests.html#a2b9769e44683dcb67fe1083ad91e134d">tests::test4</a> ()</td></tr>
<tr class="memdesc:a2b9769e44683dcb67fe1083ad91e134d"><td class="mdescLeft">&#160;</td><td class="mdescRight">A Test to check a very large input. <br /></td></tr>
<tr class="memitem:af7b81d7a1534216af6a36a80135beb86" id="r_af7b81d7a1534216af6a36a80135beb86"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d9/df4/namespacetests.html#af7b81d7a1534216af6a36a80135beb86">tests::test5</a> ()</td></tr>
<tr class="memdesc:af7b81d7a1534216af6a36a80135beb86"><td class="mdescLeft">&#160;</td><td class="mdescRight">A Test to check a shift of zero. <br /></td></tr>
<tr class="memitem:aa8dca7b867074164d5f45b0f3851269d" id="r_aa8dca7b867074164d5f45b0f3851269d"><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#aa8dca7b867074164d5f45b0f3851269d">test</a> ()</td></tr>
<tr class="memdesc:aa8dca7b867074164d5f45b0f3851269d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Function to test the correctness of shift_left() function. <br /></td></tr>
<tr class="memitem:ae66f6b31b5ad750f1fe042a706a4e3d4" id="r_ae66f6b31b5ad750f1fe042a706a4e3d4"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a> ()</td></tr>
<tr class="memdesc:ae66f6b31b5ad750f1fe042a706a4e3d4"><td class="mdescLeft">&#160;</td><td class="mdescRight">main function <br /></td></tr>
<tr class="memitem:a6109193567a5b7e36a27f2b4865fce20" id="r_a6109193567a5b7e36a27f2b4865fce20"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d9/df4/namespacetests.html#a6109193567a5b7e36a27f2b4865fce20">tests::print</a> (const std::vector&lt; int32_t &gt; &amp;array)</td></tr>
<tr class="memdesc:a6109193567a5b7e36a27f2b4865fce20"><td class="mdescLeft">&#160;</td><td class="mdescRight">Prints the values of a vector sequentially, ending with a newline character. <br /></td></tr>
<tr class="memitem:afce39cf843989a39811a49ebe29dd6d8" id="r_afce39cf843989a39811a49ebe29dd6d8"><td class="memItemLeft" align="right" valign="top">std::vector&lt; int32_t &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="../../d9/df4/namespacetests.html#afce39cf843989a39811a49ebe29dd6d8">tests::shift_left</a> (const std::vector&lt; int32_t &gt; &amp;array, size_t shift)</td></tr>
<tr class="memdesc:afce39cf843989a39811a49ebe29dd6d8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Shifts the given vector to the left by the shift amount and returns a new vector with the result. The original vector is not mutated. <br /></td></tr>
</table>
<a name="details" id="details"></a><h2 id="header-details" class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Implementation for the <a href="https://www.javatpoint.com/program-to-left-rotate-the-elements-of-an-array" target="_blank">Array Left Rotation</a> algorithm. </p>
<p>Shifting an array to the left involves moving each element of the array so that it occupies a position of a certain shift value before its current one. This implementation uses a result vector and does not mutate the input. </p><dl class="section author"><dt>Author</dt><dd><a href="https://github.com/polarvoid" target="_blank">Alvin</a> </dd></dl>
<p class="definition">Definition in file <a class="el" href="../../d9/d14/array__left__rotation_8cpp_source.html">array_left_rotation.cpp</a>.</p>
</div><a name="doc-func-members" id="doc-func-members"></a><h2 id="header-doc-func-members" class="groupheader">Function Documentation</h2>
<a id="ae66f6b31b5ad750f1fe042a706a4e3d4" name="ae66f6b31b5ad750f1fe042a706a4e3d4"></a>
<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>
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<td class="paramtype">void</td> <td class="paramname"><span class="paramname"><em></em></span></td><td>)</td>
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<p>main function </p>
<dl class="section return"><dt>Returns</dt><dd>0 on exit </dd></dl>
<p class="definition">Definition at line <a class="el" href="../../d9/d14/array__left__rotation_8cpp_source.html#l00171">171</a> of file <a class="el" href="../../d9/d14/array__left__rotation_8cpp_source.html">array_left_rotation.cpp</a>.</p>
<div class="fragment"><div class="line"><span class="lineno"> 171</span> {</div>
<div class="line"><span class="lineno"> 172</span> <a class="code hl_function" href="#aa8dca7b867074164d5f45b0f3851269d">test</a>(); <span class="comment">// run self-test implementations</span></div>
<div class="line"><span class="lineno"> 173</span> <span class="keywordflow">return</span> 0;</div>
<div class="line"><span class="lineno"> 174</span>}</div>
<div class="ttc" id="aarray__left__rotation_8cpp_html_aa8dca7b867074164d5f45b0f3851269d"><div class="ttname"><a href="#aa8dca7b867074164d5f45b0f3851269d">test</a></div><div class="ttdeci">static void test()</div><div class="ttdoc">Function to test the correctness of shift_left() function.</div><div class="ttdef"><b>Definition</b> <a href="../../d9/d14/array__left__rotation_8cpp_source.html#l00159">array_left_rotation.cpp:159</a></div></div>
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<h2 class="memtitle"><span class="permalink"><a href="#aa8dca7b867074164d5f45b0f3851269d">&#9670;&#160;</a></span>test()</h2>
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<td class="memname">void test </td>
<td>(</td>
<td class="paramname"><span class="paramname"><em></em></span></td><td>)</td>
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<p>Function to test the correctness of shift_left() function. </p>
<dl class="section return"><dt>Returns</dt><dd>void </dd></dl>
<p class="definition">Definition at line <a class="el" href="../../d9/d14/array__left__rotation_8cpp_source.html#l00159">159</a> of file <a class="el" href="../../d9/d14/array__left__rotation_8cpp_source.html">array_left_rotation.cpp</a>.</p>
<div class="fragment"><div class="line"><span class="lineno"> 159</span> {</div>
<div class="line"><span class="lineno"> 160</span> <a class="code hl_function" href="../../d9/df4/namespacetests.html#a167c24bd817469ae47358d12e034f2d5">tests::test1</a>();</div>
<div class="line"><span class="lineno"> 161</span> <a class="code hl_function" href="../../d9/df4/namespacetests.html#abdd77344d4af8fd56d14a5cabbf2f669">tests::test2</a>();</div>
<div class="line"><span class="lineno"> 162</span> <a class="code hl_function" href="../../d9/df4/namespacetests.html#aa515639572647508b94986489aab6d76">tests::test3</a>();</div>
<div class="line"><span class="lineno"> 163</span> <a class="code hl_function" href="../../d9/df4/namespacetests.html#a2b9769e44683dcb67fe1083ad91e134d">tests::test4</a>();</div>
<div class="line"><span class="lineno"> 164</span> <a class="code hl_function" href="../../d9/df4/namespacetests.html#af7b81d7a1534216af6a36a80135beb86">tests::test5</a>();</div>
<div class="line"><span class="lineno"> 165</span>}</div>
<div class="ttc" id="anamespacetests_html_a167c24bd817469ae47358d12e034f2d5"><div class="ttname"><a href="../../d9/df4/namespacetests.html#a167c24bd817469ae47358d12e034f2d5">tests::test1</a></div><div class="ttdeci">void test1()</div><div class="ttdoc">A Test to check an simple case.</div><div class="ttdef"><b>Definition</b> <a href="../../d9/d14/array__left__rotation_8cpp_source.html#l00075">array_left_rotation.cpp:75</a></div></div>
<div class="ttc" id="anamespacetests_html_a2b9769e44683dcb67fe1083ad91e134d"><div class="ttname"><a href="../../d9/df4/namespacetests.html#a2b9769e44683dcb67fe1083ad91e134d">tests::test4</a></div><div class="ttdeci">void test4()</div><div class="ttdoc">A Test to check a very large input.</div><div class="ttdef"><b>Definition</b> <a href="../../d9/d14/array__left__rotation_8cpp_source.html#l00120">array_left_rotation.cpp:120</a></div></div>
<div class="ttc" id="anamespacetests_html_aa515639572647508b94986489aab6d76"><div class="ttname"><a href="../../d9/df4/namespacetests.html#aa515639572647508b94986489aab6d76">tests::test3</a></div><div class="ttdeci">void test3()</div><div class="ttdoc">A Test to check an invalid shift value.</div><div class="ttdef"><b>Definition</b> <a href="../../d9/d14/array__left__rotation_8cpp_source.html#l00105">array_left_rotation.cpp:105</a></div></div>
<div class="ttc" id="anamespacetests_html_abdd77344d4af8fd56d14a5cabbf2f669"><div class="ttname"><a href="../../d9/df4/namespacetests.html#abdd77344d4af8fd56d14a5cabbf2f669">tests::test2</a></div><div class="ttdeci">void test2()</div><div class="ttdoc">A Test to check an empty vector.</div><div class="ttdef"><b>Definition</b> <a href="../../d9/d14/array__left__rotation_8cpp_source.html#l00090">array_left_rotation.cpp:90</a></div></div>
<div class="ttc" id="anamespacetests_html_af7b81d7a1534216af6a36a80135beb86"><div class="ttname"><a href="../../d9/df4/namespacetests.html#af7b81d7a1534216af6a36a80135beb86">tests::test5</a></div><div class="ttdeci">void test5()</div><div class="ttdoc">A Test to check a shift of zero.</div><div class="ttdef"><b>Definition</b> <a href="../../d9/d14/array__left__rotation_8cpp_source.html#l00143">array_left_rotation.cpp:143</a></div></div>
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