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@@ -4593,85 +4593,81 @@
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<a id="__codelineno-28-39" name="__codelineno-28-39" href="#__codelineno-28-39"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">queSize</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span>
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<a id="__codelineno-28-40" name="__codelineno-28-40" href="#__codelineno-28-40"></a><span class="p">}</span>
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<a id="__codelineno-28-41" name="__codelineno-28-41" href="#__codelineno-28-41"></a>
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<a id="__codelineno-28-42" name="__codelineno-28-42" href="#__codelineno-28-42"></a><span class="cm">/* 判断双向队列是否为空 */</span>
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<a id="__codelineno-28-43" name="__codelineno-28-43" href="#__codelineno-28-43"></a><span class="kt">bool</span><span class="w"> </span><span class="nf">empty</span><span class="p">(</span><span class="n">arrayDeque</span><span class="w"> </span><span class="o">*</span><span class="n">deque</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
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<a id="__codelineno-28-44" name="__codelineno-28-44" href="#__codelineno-28-44"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">queSize</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span>
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||||
<a id="__codelineno-28-45" name="__codelineno-28-45" href="#__codelineno-28-45"></a><span class="p">}</span>
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<a id="__codelineno-28-46" name="__codelineno-28-46" href="#__codelineno-28-46"></a>
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<a id="__codelineno-28-47" name="__codelineno-28-47" href="#__codelineno-28-47"></a><span class="kt">int</span><span class="w"> </span><span class="nf">dequeIndex</span><span class="p">(</span><span class="n">arrayDeque</span><span class="w"> </span><span class="o">*</span><span class="n">deque</span><span class="p">,</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">i</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
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<a id="__codelineno-28-48" name="__codelineno-28-48" href="#__codelineno-28-48"></a><span class="w"> </span><span class="c1">// 通过取余操作实现数组首尾相连</span>
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<a id="__codelineno-28-49" name="__codelineno-28-49" href="#__codelineno-28-49"></a><span class="w"> </span><span class="c1">// 当 i 越过数组尾部时，回到头部</span>
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<a id="__codelineno-28-50" name="__codelineno-28-50" href="#__codelineno-28-50"></a><span class="w"> </span><span class="c1">// 当 i 越过数组头部后，回到尾部</span>
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<a id="__codelineno-28-51" name="__codelineno-28-51" href="#__codelineno-28-51"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="p">((</span><span class="n">i</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">capacity</span><span class="p">(</span><span class="n">deque</span><span class="p">))</span><span class="w"> </span><span class="o">%</span><span class="w"> </span><span class="n">capacity</span><span class="p">(</span><span class="n">deque</span><span class="p">));</span>
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<a id="__codelineno-28-52" name="__codelineno-28-52" href="#__codelineno-28-52"></a><span class="p">}</span>
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<a id="__codelineno-28-53" name="__codelineno-28-53" href="#__codelineno-28-53"></a>
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<a id="__codelineno-28-54" name="__codelineno-28-54" href="#__codelineno-28-54"></a><span class="cm">/* 队首入队 */</span>
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<a id="__codelineno-28-55" name="__codelineno-28-55" href="#__codelineno-28-55"></a><span class="kt">void</span><span class="w"> </span><span class="nf">pushFirst</span><span class="p">(</span><span class="n">arrayDeque</span><span class="w"> </span><span class="o">*</span><span class="n">deque</span><span class="p">,</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">num</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
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<a id="__codelineno-28-56" name="__codelineno-28-56" href="#__codelineno-28-56"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">deque</span><span class="o">-></span><span class="n">queSize</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="n">capacity</span><span class="p">(</span><span class="n">deque</span><span class="p">))</span><span class="w"> </span><span class="p">{</span>
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<a id="__codelineno-28-57" name="__codelineno-28-57" href="#__codelineno-28-57"></a><span class="w"> </span><span class="n">printf</span><span class="p">(</span><span class="s">"双向队列已满</span><span class="se">\r\n</span><span class="s">"</span><span class="p">);</span>
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<a id="__codelineno-28-58" name="__codelineno-28-58" href="#__codelineno-28-58"></a><span class="w"> </span><span class="k">return</span><span class="p">;</span>
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<a id="__codelineno-28-59" name="__codelineno-28-59" href="#__codelineno-28-59"></a><span class="w"> </span><span class="p">}</span>
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<a id="__codelineno-28-60" name="__codelineno-28-60" href="#__codelineno-28-60"></a><span class="w"> </span><span class="c1">// 队首指针向左移动一位</span>
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<a id="__codelineno-28-61" name="__codelineno-28-61" href="#__codelineno-28-61"></a><span class="w"> </span><span class="c1">// 通过取余操作，实现 front 越过数组头部回到尾部</span>
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<a id="__codelineno-28-62" name="__codelineno-28-62" href="#__codelineno-28-62"></a><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">dequeIndex</span><span class="p">(</span><span class="n">deque</span><span class="p">,</span><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">front</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="mi">1</span><span class="p">);</span>
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<a id="__codelineno-28-63" name="__codelineno-28-63" href="#__codelineno-28-63"></a><span class="w"> </span><span class="c1">// 将 num 添加到队首</span>
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<a id="__codelineno-28-64" name="__codelineno-28-64" href="#__codelineno-28-64"></a><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">nums</span><span class="p">[</span><span class="n">deque</span><span class="o">-></span><span class="n">front</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">num</span><span class="p">;</span>
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<a id="__codelineno-28-65" name="__codelineno-28-65" href="#__codelineno-28-65"></a><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">queSize</span><span class="o">++</span><span class="p">;</span>
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||||
<a id="__codelineno-28-66" name="__codelineno-28-66" href="#__codelineno-28-66"></a><span class="p">}</span>
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<a id="__codelineno-28-67" name="__codelineno-28-67" href="#__codelineno-28-67"></a>
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<a id="__codelineno-28-68" name="__codelineno-28-68" href="#__codelineno-28-68"></a><span class="cm">/* 队尾入队 */</span>
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<a id="__codelineno-28-69" name="__codelineno-28-69" href="#__codelineno-28-69"></a><span class="kt">void</span><span class="w"> </span><span class="nf">pushLast</span><span class="p">(</span><span class="n">arrayDeque</span><span class="w"> </span><span class="o">*</span><span class="n">deque</span><span class="p">,</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">num</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
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<a id="__codelineno-28-70" name="__codelineno-28-70" href="#__codelineno-28-70"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">deque</span><span class="o">-></span><span class="n">queSize</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="n">capacity</span><span class="p">(</span><span class="n">deque</span><span class="p">))</span><span class="w"> </span><span class="p">{</span>
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<a id="__codelineno-28-71" name="__codelineno-28-71" href="#__codelineno-28-71"></a><span class="w"> </span><span class="n">printf</span><span class="p">(</span><span class="s">"双向队列已满</span><span class="se">\r\n</span><span class="s">"</span><span class="p">);</span>
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<a id="__codelineno-28-72" name="__codelineno-28-72" href="#__codelineno-28-72"></a><span class="w"> </span><span class="k">return</span><span class="p">;</span>
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<a id="__codelineno-28-73" name="__codelineno-28-73" href="#__codelineno-28-73"></a><span class="w"> </span><span class="p">}</span>
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<a id="__codelineno-28-74" name="__codelineno-28-74" href="#__codelineno-28-74"></a><span class="w"> </span><span class="c1">// 计算尾指针，指向队尾索引 + 1</span>
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<a id="__codelineno-28-75" name="__codelineno-28-75" href="#__codelineno-28-75"></a><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">rear</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">dequeIndex</span><span class="p">(</span><span class="n">deque</span><span class="p">,</span><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">front</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">queSize</span><span class="p">);</span>
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<a id="__codelineno-28-76" name="__codelineno-28-76" href="#__codelineno-28-76"></a><span class="w"> </span><span class="c1">// 将 num 添加至队尾</span>
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<a id="__codelineno-28-77" name="__codelineno-28-77" href="#__codelineno-28-77"></a><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">nums</span><span class="p">[</span><span class="n">rear</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">num</span><span class="p">;</span>
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<a id="__codelineno-28-78" name="__codelineno-28-78" href="#__codelineno-28-78"></a><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">queSize</span><span class="o">++</span><span class="p">;</span>
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<a id="__codelineno-28-79" name="__codelineno-28-79" href="#__codelineno-28-79"></a><span class="p">}</span>
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<a id="__codelineno-28-80" name="__codelineno-28-80" href="#__codelineno-28-80"></a>
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<a id="__codelineno-28-81" name="__codelineno-28-81" href="#__codelineno-28-81"></a><span class="cm">/* 访问队首元素 */</span>
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<a id="__codelineno-28-82" name="__codelineno-28-82" href="#__codelineno-28-82"></a><span class="kt">int</span><span class="w"> </span><span class="nf">peekFirst</span><span class="p">(</span><span class="n">arrayDeque</span><span class="w"> </span><span class="o">*</span><span class="n">deque</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
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<a id="__codelineno-28-83" name="__codelineno-28-83" href="#__codelineno-28-83"></a><span class="w"> </span><span class="c1">// 访问异常：双向队列为空</span>
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<a id="__codelineno-28-84" name="__codelineno-28-84" href="#__codelineno-28-84"></a><span class="w"> </span><span class="n">assert</span><span class="p">(</span><span class="n">empty</span><span class="p">(</span><span class="n">deque</span><span class="p">)</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="mi">0</span><span class="p">);</span>
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<a id="__codelineno-28-85" name="__codelineno-28-85" href="#__codelineno-28-85"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">nums</span><span class="p">[</span><span class="n">deque</span><span class="o">-></span><span class="n">front</span><span class="p">];</span>
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<a id="__codelineno-28-86" name="__codelineno-28-86" href="#__codelineno-28-86"></a><span class="p">}</span>
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<a id="__codelineno-28-87" name="__codelineno-28-87" href="#__codelineno-28-87"></a>
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<a id="__codelineno-28-88" name="__codelineno-28-88" href="#__codelineno-28-88"></a><span class="cm">/* 访问队尾元素 */</span>
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<a id="__codelineno-28-89" name="__codelineno-28-89" href="#__codelineno-28-89"></a><span class="kt">int</span><span class="w"> </span><span class="nf">peekLast</span><span class="p">(</span><span class="n">arrayDeque</span><span class="w"> </span><span class="o">*</span><span class="n">deque</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
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<a id="__codelineno-28-90" name="__codelineno-28-90" href="#__codelineno-28-90"></a><span class="w"> </span><span class="c1">// 访问异常：双向队列为空</span>
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<a id="__codelineno-28-91" name="__codelineno-28-91" href="#__codelineno-28-91"></a><span class="w"> </span><span class="n">assert</span><span class="p">(</span><span class="n">empty</span><span class="p">(</span><span class="n">deque</span><span class="p">)</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="mi">0</span><span class="p">);</span>
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<a id="__codelineno-28-92" name="__codelineno-28-92" href="#__codelineno-28-92"></a><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">last</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">dequeIndex</span><span class="p">(</span><span class="n">deque</span><span class="p">,</span><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">front</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">queSize</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="mi">1</span><span class="p">);</span>
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<a id="__codelineno-28-93" name="__codelineno-28-93" href="#__codelineno-28-93"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">nums</span><span class="p">[</span><span class="n">last</span><span class="p">];</span>
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<a id="__codelineno-28-94" name="__codelineno-28-94" href="#__codelineno-28-94"></a><span class="p">}</span>
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<a id="__codelineno-28-95" name="__codelineno-28-95" href="#__codelineno-28-95"></a>
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<a id="__codelineno-28-96" name="__codelineno-28-96" href="#__codelineno-28-96"></a><span class="cm">/* 队首出队 */</span>
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||||
<a id="__codelineno-28-97" name="__codelineno-28-97" href="#__codelineno-28-97"></a><span class="kt">int</span><span class="w"> </span><span class="nf">popFirst</span><span class="p">(</span><span class="n">arrayDeque</span><span class="w"> </span><span class="o">*</span><span class="n">deque</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
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<a id="__codelineno-28-98" name="__codelineno-28-98" href="#__codelineno-28-98"></a><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">num</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">peekFirst</span><span class="p">(</span><span class="n">deque</span><span class="p">);</span>
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||||
<a id="__codelineno-28-99" name="__codelineno-28-99" href="#__codelineno-28-99"></a><span class="w"> </span><span class="c1">// 队首指针向后移动一位</span>
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<a id="__codelineno-28-100" name="__codelineno-28-100" href="#__codelineno-28-100"></a><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">dequeIndex</span><span class="p">(</span><span class="n">deque</span><span class="p">,</span><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">front</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">1</span><span class="p">);</span>
|
||||
<a id="__codelineno-28-101" name="__codelineno-28-101" href="#__codelineno-28-101"></a><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">queSize</span><span class="o">--</span><span class="p">;</span>
|
||||
<a id="__codelineno-28-102" name="__codelineno-28-102" href="#__codelineno-28-102"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">num</span><span class="p">;</span>
|
||||
<a id="__codelineno-28-103" name="__codelineno-28-103" href="#__codelineno-28-103"></a><span class="p">}</span>
|
||||
<a id="__codelineno-28-104" name="__codelineno-28-104" href="#__codelineno-28-104"></a>
|
||||
<a id="__codelineno-28-105" name="__codelineno-28-105" href="#__codelineno-28-105"></a><span class="cm">/* 队尾出队 */</span>
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||||
<a id="__codelineno-28-106" name="__codelineno-28-106" href="#__codelineno-28-106"></a><span class="kt">int</span><span class="w"> </span><span class="nf">popLast</span><span class="p">(</span><span class="n">arrayDeque</span><span class="w"> </span><span class="o">*</span><span class="n">deque</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||||
<a id="__codelineno-28-107" name="__codelineno-28-107" href="#__codelineno-28-107"></a><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">num</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">peekLast</span><span class="p">(</span><span class="n">deque</span><span class="p">);</span>
|
||||
<a id="__codelineno-28-108" name="__codelineno-28-108" href="#__codelineno-28-108"></a><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">queSize</span><span class="o">--</span><span class="p">;</span>
|
||||
<a id="__codelineno-28-109" name="__codelineno-28-109" href="#__codelineno-28-109"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">num</span><span class="p">;</span>
|
||||
<a id="__codelineno-28-110" name="__codelineno-28-110" href="#__codelineno-28-110"></a><span class="p">}</span>
|
||||
<a id="__codelineno-28-111" name="__codelineno-28-111" href="#__codelineno-28-111"></a>
|
||||
<a id="__codelineno-28-112" name="__codelineno-28-112" href="#__codelineno-28-112"></a><span class="cm">/* 打印队列 */</span>
|
||||
<a id="__codelineno-28-113" name="__codelineno-28-113" href="#__codelineno-28-113"></a><span class="kt">void</span><span class="w"> </span><span class="nf">printArrayDeque</span><span class="p">(</span><span class="n">arrayDeque</span><span class="w"> </span><span class="o">*</span><span class="n">deque</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||||
<a id="__codelineno-28-114" name="__codelineno-28-114" href="#__codelineno-28-114"></a><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">arr</span><span class="p">[</span><span class="n">deque</span><span class="o">-></span><span class="n">queSize</span><span class="p">];</span>
|
||||
<a id="__codelineno-28-115" name="__codelineno-28-115" href="#__codelineno-28-115"></a><span class="w"> </span><span class="c1">// 拷贝</span>
|
||||
<a id="__codelineno-28-116" name="__codelineno-28-116" href="#__codelineno-28-116"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="kt">int</span><span class="w"> </span><span class="n">i</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="p">,</span><span class="w"> </span><span class="n">j</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">front</span><span class="p">;</span><span class="w"> </span><span class="n">i</span><span class="w"> </span><span class="o"><</span><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">queSize</span><span class="p">;</span><span class="w"> </span><span class="n">i</span><span class="o">++</span><span class="p">,</span><span class="w"> </span><span class="n">j</span><span class="o">++</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||||
<a id="__codelineno-28-117" name="__codelineno-28-117" href="#__codelineno-28-117"></a><span class="w"> </span><span class="n">arr</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">nums</span><span class="p">[</span><span class="n">j</span><span class="w"> </span><span class="o">%</span><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">queCapacity</span><span class="p">];</span>
|
||||
<a id="__codelineno-28-118" name="__codelineno-28-118" href="#__codelineno-28-118"></a><span class="w"> </span><span class="p">}</span>
|
||||
<a id="__codelineno-28-119" name="__codelineno-28-119" href="#__codelineno-28-119"></a><span class="w"> </span><span class="n">printArray</span><span class="p">(</span><span class="n">arr</span><span class="p">,</span><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">queSize</span><span class="p">);</span>
|
||||
<a id="__codelineno-28-120" name="__codelineno-28-120" href="#__codelineno-28-120"></a><span class="p">}</span>
|
||||
<a id="__codelineno-28-42" name="__codelineno-28-42" href="#__codelineno-28-42"></a><span class="cm">/* 计算环形数组索引 */</span>
|
||||
<a id="__codelineno-28-43" name="__codelineno-28-43" href="#__codelineno-28-43"></a><span class="kt">int</span><span class="w"> </span><span class="nf">dequeIndex</span><span class="p">(</span><span class="n">arrayDeque</span><span class="w"> </span><span class="o">*</span><span class="n">deque</span><span class="p">,</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">i</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||||
<a id="__codelineno-28-44" name="__codelineno-28-44" href="#__codelineno-28-44"></a><span class="w"> </span><span class="c1">// 通过取余操作实现数组首尾相连</span>
|
||||
<a id="__codelineno-28-45" name="__codelineno-28-45" href="#__codelineno-28-45"></a><span class="w"> </span><span class="c1">// 当 i 越过数组尾部时，回到头部</span>
|
||||
<a id="__codelineno-28-46" name="__codelineno-28-46" href="#__codelineno-28-46"></a><span class="w"> </span><span class="c1">// 当 i 越过数组头部后，回到尾部</span>
|
||||
<a id="__codelineno-28-47" name="__codelineno-28-47" href="#__codelineno-28-47"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="p">((</span><span class="n">i</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">capacity</span><span class="p">(</span><span class="n">deque</span><span class="p">))</span><span class="w"> </span><span class="o">%</span><span class="w"> </span><span class="n">capacity</span><span class="p">(</span><span class="n">deque</span><span class="p">));</span>
|
||||
<a id="__codelineno-28-48" name="__codelineno-28-48" href="#__codelineno-28-48"></a><span class="p">}</span>
|
||||
<a id="__codelineno-28-49" name="__codelineno-28-49" href="#__codelineno-28-49"></a>
|
||||
<a id="__codelineno-28-50" name="__codelineno-28-50" href="#__codelineno-28-50"></a><span class="cm">/* 队首入队 */</span>
|
||||
<a id="__codelineno-28-51" name="__codelineno-28-51" href="#__codelineno-28-51"></a><span class="kt">void</span><span class="w"> </span><span class="nf">pushFirst</span><span class="p">(</span><span class="n">arrayDeque</span><span class="w"> </span><span class="o">*</span><span class="n">deque</span><span class="p">,</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">num</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||||
<a id="__codelineno-28-52" name="__codelineno-28-52" href="#__codelineno-28-52"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">deque</span><span class="o">-></span><span class="n">queSize</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="n">capacity</span><span class="p">(</span><span class="n">deque</span><span class="p">))</span><span class="w"> </span><span class="p">{</span>
|
||||
<a id="__codelineno-28-53" name="__codelineno-28-53" href="#__codelineno-28-53"></a><span class="w"> </span><span class="n">printf</span><span class="p">(</span><span class="s">"双向队列已满</span><span class="se">\r\n</span><span class="s">"</span><span class="p">);</span>
|
||||
<a id="__codelineno-28-54" name="__codelineno-28-54" href="#__codelineno-28-54"></a><span class="w"> </span><span class="k">return</span><span class="p">;</span>
|
||||
<a id="__codelineno-28-55" name="__codelineno-28-55" href="#__codelineno-28-55"></a><span class="w"> </span><span class="p">}</span>
|
||||
<a id="__codelineno-28-56" name="__codelineno-28-56" href="#__codelineno-28-56"></a><span class="w"> </span><span class="c1">// 队首指针向左移动一位</span>
|
||||
<a id="__codelineno-28-57" name="__codelineno-28-57" href="#__codelineno-28-57"></a><span class="w"> </span><span class="c1">// 通过取余操作，实现 front 越过数组头部回到尾部</span>
|
||||
<a id="__codelineno-28-58" name="__codelineno-28-58" href="#__codelineno-28-58"></a><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">dequeIndex</span><span class="p">(</span><span class="n">deque</span><span class="p">,</span><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">front</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="mi">1</span><span class="p">);</span>
|
||||
<a id="__codelineno-28-59" name="__codelineno-28-59" href="#__codelineno-28-59"></a><span class="w"> </span><span class="c1">// 将 num 添加到队首</span>
|
||||
<a id="__codelineno-28-60" name="__codelineno-28-60" href="#__codelineno-28-60"></a><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">nums</span><span class="p">[</span><span class="n">deque</span><span class="o">-></span><span class="n">front</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">num</span><span class="p">;</span>
|
||||
<a id="__codelineno-28-61" name="__codelineno-28-61" href="#__codelineno-28-61"></a><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">queSize</span><span class="o">++</span><span class="p">;</span>
|
||||
<a id="__codelineno-28-62" name="__codelineno-28-62" href="#__codelineno-28-62"></a><span class="p">}</span>
|
||||
<a id="__codelineno-28-63" name="__codelineno-28-63" href="#__codelineno-28-63"></a>
|
||||
<a id="__codelineno-28-64" name="__codelineno-28-64" href="#__codelineno-28-64"></a><span class="cm">/* 队尾入队 */</span>
|
||||
<a id="__codelineno-28-65" name="__codelineno-28-65" href="#__codelineno-28-65"></a><span class="kt">void</span><span class="w"> </span><span class="nf">pushLast</span><span class="p">(</span><span class="n">arrayDeque</span><span class="w"> </span><span class="o">*</span><span class="n">deque</span><span class="p">,</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">num</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||||
<a id="__codelineno-28-66" name="__codelineno-28-66" href="#__codelineno-28-66"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">deque</span><span class="o">-></span><span class="n">queSize</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="n">capacity</span><span class="p">(</span><span class="n">deque</span><span class="p">))</span><span class="w"> </span><span class="p">{</span>
|
||||
<a id="__codelineno-28-67" name="__codelineno-28-67" href="#__codelineno-28-67"></a><span class="w"> </span><span class="n">printf</span><span class="p">(</span><span class="s">"双向队列已满</span><span class="se">\r\n</span><span class="s">"</span><span class="p">);</span>
|
||||
<a id="__codelineno-28-68" name="__codelineno-28-68" href="#__codelineno-28-68"></a><span class="w"> </span><span class="k">return</span><span class="p">;</span>
|
||||
<a id="__codelineno-28-69" name="__codelineno-28-69" href="#__codelineno-28-69"></a><span class="w"> </span><span class="p">}</span>
|
||||
<a id="__codelineno-28-70" name="__codelineno-28-70" href="#__codelineno-28-70"></a><span class="w"> </span><span class="c1">// 计算尾指针，指向队尾索引 + 1</span>
|
||||
<a id="__codelineno-28-71" name="__codelineno-28-71" href="#__codelineno-28-71"></a><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">rear</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">dequeIndex</span><span class="p">(</span><span class="n">deque</span><span class="p">,</span><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">front</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">queSize</span><span class="p">);</span>
|
||||
<a id="__codelineno-28-72" name="__codelineno-28-72" href="#__codelineno-28-72"></a><span class="w"> </span><span class="c1">// 将 num 添加至队尾</span>
|
||||
<a id="__codelineno-28-73" name="__codelineno-28-73" href="#__codelineno-28-73"></a><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">nums</span><span class="p">[</span><span class="n">rear</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">num</span><span class="p">;</span>
|
||||
<a id="__codelineno-28-74" name="__codelineno-28-74" href="#__codelineno-28-74"></a><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">queSize</span><span class="o">++</span><span class="p">;</span>
|
||||
<a id="__codelineno-28-75" name="__codelineno-28-75" href="#__codelineno-28-75"></a><span class="p">}</span>
|
||||
<a id="__codelineno-28-76" name="__codelineno-28-76" href="#__codelineno-28-76"></a>
|
||||
<a id="__codelineno-28-77" name="__codelineno-28-77" href="#__codelineno-28-77"></a><span class="cm">/* 访问队首元素 */</span>
|
||||
<a id="__codelineno-28-78" name="__codelineno-28-78" href="#__codelineno-28-78"></a><span class="kt">int</span><span class="w"> </span><span class="nf">peekFirst</span><span class="p">(</span><span class="n">arrayDeque</span><span class="w"> </span><span class="o">*</span><span class="n">deque</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||||
<a id="__codelineno-28-79" name="__codelineno-28-79" href="#__codelineno-28-79"></a><span class="w"> </span><span class="c1">// 访问异常：双向队列为空</span>
|
||||
<a id="__codelineno-28-80" name="__codelineno-28-80" href="#__codelineno-28-80"></a><span class="w"> </span><span class="n">assert</span><span class="p">(</span><span class="n">empty</span><span class="p">(</span><span class="n">deque</span><span class="p">)</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="mi">0</span><span class="p">);</span>
|
||||
<a id="__codelineno-28-81" name="__codelineno-28-81" href="#__codelineno-28-81"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">nums</span><span class="p">[</span><span class="n">deque</span><span class="o">-></span><span class="n">front</span><span class="p">];</span>
|
||||
<a id="__codelineno-28-82" name="__codelineno-28-82" href="#__codelineno-28-82"></a><span class="p">}</span>
|
||||
<a id="__codelineno-28-83" name="__codelineno-28-83" href="#__codelineno-28-83"></a>
|
||||
<a id="__codelineno-28-84" name="__codelineno-28-84" href="#__codelineno-28-84"></a><span class="cm">/* 访问队尾元素 */</span>
|
||||
<a id="__codelineno-28-85" name="__codelineno-28-85" href="#__codelineno-28-85"></a><span class="kt">int</span><span class="w"> </span><span class="nf">peekLast</span><span class="p">(</span><span class="n">arrayDeque</span><span class="w"> </span><span class="o">*</span><span class="n">deque</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||||
<a id="__codelineno-28-86" name="__codelineno-28-86" href="#__codelineno-28-86"></a><span class="w"> </span><span class="c1">// 访问异常：双向队列为空</span>
|
||||
<a id="__codelineno-28-87" name="__codelineno-28-87" href="#__codelineno-28-87"></a><span class="w"> </span><span class="n">assert</span><span class="p">(</span><span class="n">empty</span><span class="p">(</span><span class="n">deque</span><span class="p">)</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="mi">0</span><span class="p">);</span>
|
||||
<a id="__codelineno-28-88" name="__codelineno-28-88" href="#__codelineno-28-88"></a><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">last</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">dequeIndex</span><span class="p">(</span><span class="n">deque</span><span class="p">,</span><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">front</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">queSize</span><span class="w"> </span><span class="o">-</span><span class="w"> </span><span class="mi">1</span><span class="p">);</span>
|
||||
<a id="__codelineno-28-89" name="__codelineno-28-89" href="#__codelineno-28-89"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">nums</span><span class="p">[</span><span class="n">last</span><span class="p">];</span>
|
||||
<a id="__codelineno-28-90" name="__codelineno-28-90" href="#__codelineno-28-90"></a><span class="p">}</span>
|
||||
<a id="__codelineno-28-91" name="__codelineno-28-91" href="#__codelineno-28-91"></a>
|
||||
<a id="__codelineno-28-92" name="__codelineno-28-92" href="#__codelineno-28-92"></a><span class="cm">/* 队首出队 */</span>
|
||||
<a id="__codelineno-28-93" name="__codelineno-28-93" href="#__codelineno-28-93"></a><span class="kt">int</span><span class="w"> </span><span class="nf">popFirst</span><span class="p">(</span><span class="n">arrayDeque</span><span class="w"> </span><span class="o">*</span><span class="n">deque</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||||
<a id="__codelineno-28-94" name="__codelineno-28-94" href="#__codelineno-28-94"></a><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">num</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">peekFirst</span><span class="p">(</span><span class="n">deque</span><span class="p">);</span>
|
||||
<a id="__codelineno-28-95" name="__codelineno-28-95" href="#__codelineno-28-95"></a><span class="w"> </span><span class="c1">// 队首指针向后移动一位</span>
|
||||
<a id="__codelineno-28-96" name="__codelineno-28-96" href="#__codelineno-28-96"></a><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">dequeIndex</span><span class="p">(</span><span class="n">deque</span><span class="p">,</span><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">front</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mi">1</span><span class="p">);</span>
|
||||
<a id="__codelineno-28-97" name="__codelineno-28-97" href="#__codelineno-28-97"></a><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">queSize</span><span class="o">--</span><span class="p">;</span>
|
||||
<a id="__codelineno-28-98" name="__codelineno-28-98" href="#__codelineno-28-98"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">num</span><span class="p">;</span>
|
||||
<a id="__codelineno-28-99" name="__codelineno-28-99" href="#__codelineno-28-99"></a><span class="p">}</span>
|
||||
<a id="__codelineno-28-100" name="__codelineno-28-100" href="#__codelineno-28-100"></a>
|
||||
<a id="__codelineno-28-101" name="__codelineno-28-101" href="#__codelineno-28-101"></a><span class="cm">/* 队尾出队 */</span>
|
||||
<a id="__codelineno-28-102" name="__codelineno-28-102" href="#__codelineno-28-102"></a><span class="kt">int</span><span class="w"> </span><span class="nf">popLast</span><span class="p">(</span><span class="n">arrayDeque</span><span class="w"> </span><span class="o">*</span><span class="n">deque</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||||
<a id="__codelineno-28-103" name="__codelineno-28-103" href="#__codelineno-28-103"></a><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">num</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">peekLast</span><span class="p">(</span><span class="n">deque</span><span class="p">);</span>
|
||||
<a id="__codelineno-28-104" name="__codelineno-28-104" href="#__codelineno-28-104"></a><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">queSize</span><span class="o">--</span><span class="p">;</span>
|
||||
<a id="__codelineno-28-105" name="__codelineno-28-105" href="#__codelineno-28-105"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="n">num</span><span class="p">;</span>
|
||||
<a id="__codelineno-28-106" name="__codelineno-28-106" href="#__codelineno-28-106"></a><span class="p">}</span>
|
||||
<a id="__codelineno-28-107" name="__codelineno-28-107" href="#__codelineno-28-107"></a>
|
||||
<a id="__codelineno-28-108" name="__codelineno-28-108" href="#__codelineno-28-108"></a><span class="cm">/* 打印队列 */</span>
|
||||
<a id="__codelineno-28-109" name="__codelineno-28-109" href="#__codelineno-28-109"></a><span class="kt">void</span><span class="w"> </span><span class="nf">printArrayDeque</span><span class="p">(</span><span class="n">arrayDeque</span><span class="w"> </span><span class="o">*</span><span class="n">deque</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||||
<a id="__codelineno-28-110" name="__codelineno-28-110" href="#__codelineno-28-110"></a><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">arr</span><span class="p">[</span><span class="n">deque</span><span class="o">-></span><span class="n">queSize</span><span class="p">];</span>
|
||||
<a id="__codelineno-28-111" name="__codelineno-28-111" href="#__codelineno-28-111"></a><span class="w"> </span><span class="c1">// 拷贝</span>
|
||||
<a id="__codelineno-28-112" name="__codelineno-28-112" href="#__codelineno-28-112"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="kt">int</span><span class="w"> </span><span class="n">i</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">0</span><span class="p">,</span><span class="w"> </span><span class="n">j</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">front</span><span class="p">;</span><span class="w"> </span><span class="n">i</span><span class="w"> </span><span class="o"><</span><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">queSize</span><span class="p">;</span><span class="w"> </span><span class="n">i</span><span class="o">++</span><span class="p">,</span><span class="w"> </span><span class="n">j</span><span class="o">++</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
|
||||
<a id="__codelineno-28-113" name="__codelineno-28-113" href="#__codelineno-28-113"></a><span class="w"> </span><span class="n">arr</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">nums</span><span class="p">[</span><span class="n">j</span><span class="w"> </span><span class="o">%</span><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">queCapacity</span><span class="p">];</span>
|
||||
<a id="__codelineno-28-114" name="__codelineno-28-114" href="#__codelineno-28-114"></a><span class="w"> </span><span class="p">}</span>
|
||||
<a id="__codelineno-28-115" name="__codelineno-28-115" href="#__codelineno-28-115"></a><span class="w"> </span><span class="n">printArray</span><span class="p">(</span><span class="n">arr</span><span class="p">,</span><span class="w"> </span><span class="n">deque</span><span class="o">-></span><span class="n">queSize</span><span class="p">);</span>
|
||||
<a id="__codelineno-28-116" name="__codelineno-28-116" href="#__codelineno-28-116"></a><span class="p">}</span>
|
||||
</code></pre></div>
|
||||
</div>
|
||||
<div class="tabbed-block">
|
||||
|
||||
Reference in New Issue
Block a user