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2024-03-21 04:22:16 +08:00
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@@ -4655,15 +4655,15 @@
<a id="__codelineno-17-13" name="__codelineno-17-13" href="#__codelineno-17-13"></a><span class="kd">class</span> <span class="nc">LinkedListDeque</span> <span class="p">{</span>
<a id="__codelineno-17-14" name="__codelineno-17-14" href="#__codelineno-17-14"></a> <span class="kd">private</span> <span class="kd">var</span> <span class="nv">front</span><span class="p">:</span> <span class="n">ListNode</span><span class="p">?</span> <span class="c1">// 头节点 front</span>
<a id="__codelineno-17-15" name="__codelineno-17-15" href="#__codelineno-17-15"></a> <span class="kd">private</span> <span class="kd">var</span> <span class="nv">rear</span><span class="p">:</span> <span class="n">ListNode</span><span class="p">?</span> <span class="c1">// 尾节点 rear</span>
<a id="__codelineno-17-16" name="__codelineno-17-16" href="#__codelineno-17-16"></a> <span class="kd">private</span> <span class="kd">var</span> <span class="nv">queSize</span><span class="p">:</span> <span class="nb">Int</span> <span class="c1">// 双向队列的长度</span>
<a id="__codelineno-17-16" name="__codelineno-17-16" href="#__codelineno-17-16"></a> <span class="kd">private</span> <span class="kd">var</span> <span class="nv">_size</span><span class="p">:</span> <span class="nb">Int</span> <span class="c1">// 双向队列的长度</span>
<a id="__codelineno-17-17" name="__codelineno-17-17" href="#__codelineno-17-17"></a>
<a id="__codelineno-17-18" name="__codelineno-17-18" href="#__codelineno-17-18"></a> <span class="kd">init</span><span class="p">()</span> <span class="p">{</span>
<a id="__codelineno-17-19" name="__codelineno-17-19" href="#__codelineno-17-19"></a> <span class="n">queSize</span> <span class="p">=</span> <span class="mi">0</span>
<a id="__codelineno-17-19" name="__codelineno-17-19" href="#__codelineno-17-19"></a> <span class="n">_size</span> <span class="p">=</span> <span class="mi">0</span>
<a id="__codelineno-17-20" name="__codelineno-17-20" href="#__codelineno-17-20"></a> <span class="p">}</span>
<a id="__codelineno-17-21" name="__codelineno-17-21" href="#__codelineno-17-21"></a>
<a id="__codelineno-17-22" name="__codelineno-17-22" href="#__codelineno-17-22"></a> <span class="cm">/* 获取双向队列的长度 */</span>
<a id="__codelineno-17-23" name="__codelineno-17-23" href="#__codelineno-17-23"></a> <span class="kd">func</span> <span class="nf">size</span><span class="p">()</span> <span class="p">-&gt;</span> <span class="nb">Int</span> <span class="p">{</span>
<a id="__codelineno-17-24" name="__codelineno-17-24" href="#__codelineno-17-24"></a> <span class="n">queSize</span>
<a id="__codelineno-17-24" name="__codelineno-17-24" href="#__codelineno-17-24"></a> <span class="n">_size</span>
<a id="__codelineno-17-25" name="__codelineno-17-25" href="#__codelineno-17-25"></a> <span class="p">}</span>
<a id="__codelineno-17-26" name="__codelineno-17-26" href="#__codelineno-17-26"></a>
<a id="__codelineno-17-27" name="__codelineno-17-27" href="#__codelineno-17-27"></a> <span class="cm">/* 判断双向队列是否为空 */</span>
@@ -4693,7 +4693,7 @@
<a id="__codelineno-17-51" name="__codelineno-17-51" href="#__codelineno-17-51"></a> <span class="n">node</span><span class="p">.</span><span class="n">prev</span> <span class="p">=</span> <span class="n">rear</span>
<a id="__codelineno-17-52" name="__codelineno-17-52" href="#__codelineno-17-52"></a> <span class="n">rear</span> <span class="p">=</span> <span class="n">node</span> <span class="c1">// 更新尾节点</span>
<a id="__codelineno-17-53" name="__codelineno-17-53" href="#__codelineno-17-53"></a> <span class="p">}</span>
<a id="__codelineno-17-54" name="__codelineno-17-54" href="#__codelineno-17-54"></a> <span class="n">queSize</span> <span class="o">+=</span> <span class="mi">1</span> <span class="c1">// 更新队列长度</span>
<a id="__codelineno-17-54" name="__codelineno-17-54" href="#__codelineno-17-54"></a> <span class="n">_size</span> <span class="o">+=</span> <span class="mi">1</span> <span class="c1">// 更新队列长度</span>
<a id="__codelineno-17-55" name="__codelineno-17-55" href="#__codelineno-17-55"></a> <span class="p">}</span>
<a id="__codelineno-17-56" name="__codelineno-17-56" href="#__codelineno-17-56"></a>
<a id="__codelineno-17-57" name="__codelineno-17-57" href="#__codelineno-17-57"></a> <span class="cm">/* 队首入队 */</span>
@@ -4734,7 +4734,7 @@
<a id="__codelineno-17-92" name="__codelineno-17-92" href="#__codelineno-17-92"></a> <span class="p">}</span>
<a id="__codelineno-17-93" name="__codelineno-17-93" href="#__codelineno-17-93"></a> <span class="n">rear</span> <span class="p">=</span> <span class="n">rPrev</span> <span class="c1">// 更新尾节点</span>
<a id="__codelineno-17-94" name="__codelineno-17-94" href="#__codelineno-17-94"></a> <span class="p">}</span>
<a id="__codelineno-17-95" name="__codelineno-17-95" href="#__codelineno-17-95"></a> <span class="n">queSize</span> <span class="o">-=</span> <span class="mi">1</span> <span class="c1">// 更新队列长度</span>
<a id="__codelineno-17-95" name="__codelineno-17-95" href="#__codelineno-17-95"></a> <span class="n">_size</span> <span class="o">-=</span> <span class="mi">1</span> <span class="c1">// 更新队列长度</span>
<a id="__codelineno-17-96" name="__codelineno-17-96" href="#__codelineno-17-96"></a> <span class="k">return</span> <span class="n">val</span>
<a id="__codelineno-17-97" name="__codelineno-17-97" href="#__codelineno-17-97"></a> <span class="p">}</span>
<a id="__codelineno-17-98" name="__codelineno-17-98" href="#__codelineno-17-98"></a>
@@ -4749,26 +4749,32 @@
<a id="__codelineno-17-107" name="__codelineno-17-107" href="#__codelineno-17-107"></a> <span class="p">}</span>
<a id="__codelineno-17-108" name="__codelineno-17-108" href="#__codelineno-17-108"></a>
<a id="__codelineno-17-109" name="__codelineno-17-109" href="#__codelineno-17-109"></a> <span class="cm">/* 访问队首元素 */</span>
<a id="__codelineno-17-110" name="__codelineno-17-110" href="#__codelineno-17-110"></a> <span class="kd">func</span> <span class="nf">peekFirst</span><span class="p">()</span> <span class="p">-&gt;</span> <span class="nb">Int</span><span class="p">?</span> <span class="p">{</span>
<a id="__codelineno-17-111" name="__codelineno-17-111" href="#__codelineno-17-111"></a> <span class="bp">isEmpty</span><span class="p">()</span> <span class="p">?</span> <span class="kc">nil</span> <span class="p">:</span> <span class="n">front</span><span class="p">?.</span><span class="n">val</span>
<a id="__codelineno-17-112" name="__codelineno-17-112" href="#__codelineno-17-112"></a> <span class="p">}</span>
<a id="__codelineno-17-113" name="__codelineno-17-113" href="#__codelineno-17-113"></a>
<a id="__codelineno-17-114" name="__codelineno-17-114" href="#__codelineno-17-114"></a> <span class="cm">/* 访问队尾元素 */</span>
<a id="__codelineno-17-115" name="__codelineno-17-115" href="#__codelineno-17-115"></a> <span class="kd">func</span> <span class="nf">peekLast</span><span class="p">()</span> <span class="p">-&gt;</span> <span class="nb">Int</span><span class="p">?</span> <span class="p">{</span>
<a id="__codelineno-17-116" name="__codelineno-17-116" href="#__codelineno-17-116"></a> <span class="bp">isEmpty</span><span class="p">()</span> <span class="p">?</span> <span class="kc">nil</span> <span class="p">:</span> <span class="n">rear</span><span class="p">?.</span><span class="n">val</span>
<a id="__codelineno-17-117" name="__codelineno-17-117" href="#__codelineno-17-117"></a> <span class="p">}</span>
<a id="__codelineno-17-118" name="__codelineno-17-118" href="#__codelineno-17-118"></a>
<a id="__codelineno-17-119" name="__codelineno-17-119" href="#__codelineno-17-119"></a> <span class="cm">/* 返回数组用于打印 */</span>
<a id="__codelineno-17-120" name="__codelineno-17-120" href="#__codelineno-17-120"></a> <span class="kd">func</span> <span class="nf">toArray</span><span class="p">()</span> <span class="p">-&gt;</span> <span class="p">[</span><span class="nb">Int</span><span class="p">]</span> <span class="p">{</span>
<a id="__codelineno-17-121" name="__codelineno-17-121" href="#__codelineno-17-121"></a> <span class="kd">var</span> <span class="nv">node</span> <span class="p">=</span> <span class="n">front</span>
<a id="__codelineno-17-122" name="__codelineno-17-122" href="#__codelineno-17-122"></a> <span class="kd">var</span> <span class="nv">res</span> <span class="p">=</span> <span class="nb">Array</span><span class="p">(</span><span class="n">repeating</span><span class="p">:</span> <span class="mi">0</span><span class="p">,</span> <span class="bp">count</span><span class="p">:</span> <span class="n">size</span><span class="p">())</span>
<a id="__codelineno-17-123" name="__codelineno-17-123" href="#__codelineno-17-123"></a> <span class="k">for</span> <span class="n">i</span> <span class="k">in</span> <span class="n">res</span><span class="p">.</span><span class="bp">indices</span> <span class="p">{</span>
<a id="__codelineno-17-124" name="__codelineno-17-124" href="#__codelineno-17-124"></a> <span class="n">res</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="p">=</span> <span class="n">node</span><span class="p">!.</span><span class="n">val</span>
<a id="__codelineno-17-125" name="__codelineno-17-125" href="#__codelineno-17-125"></a> <span class="n">node</span> <span class="p">=</span> <span class="n">node</span><span class="p">?.</span><span class="n">next</span>
<a id="__codelineno-17-126" name="__codelineno-17-126" href="#__codelineno-17-126"></a> <span class="p">}</span>
<a id="__codelineno-17-127" name="__codelineno-17-127" href="#__codelineno-17-127"></a> <span class="k">return</span> <span class="n">res</span>
<a id="__codelineno-17-128" name="__codelineno-17-128" href="#__codelineno-17-128"></a> <span class="p">}</span>
<a id="__codelineno-17-129" name="__codelineno-17-129" href="#__codelineno-17-129"></a><span class="p">}</span>
<a id="__codelineno-17-110" name="__codelineno-17-110" href="#__codelineno-17-110"></a> <span class="kd">func</span> <span class="nf">peekFirst</span><span class="p">()</span> <span class="p">-&gt;</span> <span class="nb">Int</span> <span class="p">{</span>
<a id="__codelineno-17-111" name="__codelineno-17-111" href="#__codelineno-17-111"></a> <span class="k">if</span> <span class="bp">isEmpty</span><span class="p">()</span> <span class="p">{</span>
<a id="__codelineno-17-112" name="__codelineno-17-112" href="#__codelineno-17-112"></a> <span class="bp">fatalError</span><span class="p">(</span><span class="s">&quot;双向队列为空&quot;</span><span class="p">)</span>
<a id="__codelineno-17-113" name="__codelineno-17-113" href="#__codelineno-17-113"></a> <span class="p">}</span>
<a id="__codelineno-17-114" name="__codelineno-17-114" href="#__codelineno-17-114"></a> <span class="k">return</span> <span class="n">front</span><span class="p">!.</span><span class="n">val</span>
<a id="__codelineno-17-115" name="__codelineno-17-115" href="#__codelineno-17-115"></a> <span class="p">}</span>
<a id="__codelineno-17-116" name="__codelineno-17-116" href="#__codelineno-17-116"></a>
<a id="__codelineno-17-117" name="__codelineno-17-117" href="#__codelineno-17-117"></a> <span class="cm">/* 访问队尾元素 */</span>
<a id="__codelineno-17-118" name="__codelineno-17-118" href="#__codelineno-17-118"></a> <span class="kd">func</span> <span class="nf">peekLast</span><span class="p">()</span> <span class="p">-&gt;</span> <span class="nb">Int</span> <span class="p">{</span>
<a id="__codelineno-17-119" name="__codelineno-17-119" href="#__codelineno-17-119"></a> <span class="k">if</span> <span class="bp">isEmpty</span><span class="p">()</span> <span class="p">{</span>
<a id="__codelineno-17-120" name="__codelineno-17-120" href="#__codelineno-17-120"></a> <span class="bp">fatalError</span><span class="p">(</span><span class="s">&quot;双向队列为空&quot;</span><span class="p">)</span>
<a id="__codelineno-17-121" name="__codelineno-17-121" href="#__codelineno-17-121"></a> <span class="p">}</span>
<a id="__codelineno-17-122" name="__codelineno-17-122" href="#__codelineno-17-122"></a> <span class="k">return</span> <span class="n">rear</span><span class="p">!.</span><span class="n">val</span>
<a id="__codelineno-17-123" name="__codelineno-17-123" href="#__codelineno-17-123"></a> <span class="p">}</span>
<a id="__codelineno-17-124" name="__codelineno-17-124" href="#__codelineno-17-124"></a>
<a id="__codelineno-17-125" name="__codelineno-17-125" href="#__codelineno-17-125"></a> <span class="cm">/* 返回数组用于打印 */</span>
<a id="__codelineno-17-126" name="__codelineno-17-126" href="#__codelineno-17-126"></a> <span class="kd">func</span> <span class="nf">toArray</span><span class="p">()</span> <span class="p">-&gt;</span> <span class="p">[</span><span class="nb">Int</span><span class="p">]</span> <span class="p">{</span>
<a id="__codelineno-17-127" name="__codelineno-17-127" href="#__codelineno-17-127"></a> <span class="kd">var</span> <span class="nv">node</span> <span class="p">=</span> <span class="n">front</span>
<a id="__codelineno-17-128" name="__codelineno-17-128" href="#__codelineno-17-128"></a> <span class="kd">var</span> <span class="nv">res</span> <span class="p">=</span> <span class="nb">Array</span><span class="p">(</span><span class="n">repeating</span><span class="p">:</span> <span class="mi">0</span><span class="p">,</span> <span class="bp">count</span><span class="p">:</span> <span class="n">size</span><span class="p">())</span>
<a id="__codelineno-17-129" name="__codelineno-17-129" href="#__codelineno-17-129"></a> <span class="k">for</span> <span class="n">i</span> <span class="k">in</span> <span class="n">res</span><span class="p">.</span><span class="bp">indices</span> <span class="p">{</span>
<a id="__codelineno-17-130" name="__codelineno-17-130" href="#__codelineno-17-130"></a> <span class="n">res</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="p">=</span> <span class="n">node</span><span class="p">!.</span><span class="n">val</span>
<a id="__codelineno-17-131" name="__codelineno-17-131" href="#__codelineno-17-131"></a> <span class="n">node</span> <span class="p">=</span> <span class="n">node</span><span class="p">?.</span><span class="n">next</span>
<a id="__codelineno-17-132" name="__codelineno-17-132" href="#__codelineno-17-132"></a> <span class="p">}</span>
<a id="__codelineno-17-133" name="__codelineno-17-133" href="#__codelineno-17-133"></a> <span class="k">return</span> <span class="n">res</span>
<a id="__codelineno-17-134" name="__codelineno-17-134" href="#__codelineno-17-134"></a> <span class="p">}</span>
<a id="__codelineno-17-135" name="__codelineno-17-135" href="#__codelineno-17-135"></a><span class="p">}</span>
</code></pre></div>
</div>
<div class="tabbed-block">
@@ -6190,13 +6196,13 @@
<a id="__codelineno-29-2" name="__codelineno-29-2" href="#__codelineno-29-2"></a><span class="kd">class</span> <span class="nc">ArrayDeque</span> <span class="p">{</span>
<a id="__codelineno-29-3" name="__codelineno-29-3" href="#__codelineno-29-3"></a> <span class="kd">private</span> <span class="kd">var</span> <span class="nv">nums</span><span class="p">:</span> <span class="p">[</span><span class="nb">Int</span><span class="p">]</span> <span class="c1">// 用于存储双向队列元素的数组</span>
<a id="__codelineno-29-4" name="__codelineno-29-4" href="#__codelineno-29-4"></a> <span class="kd">private</span> <span class="kd">var</span> <span class="nv">front</span><span class="p">:</span> <span class="nb">Int</span> <span class="c1">// 队首指针，指向队首元素</span>
<a id="__codelineno-29-5" name="__codelineno-29-5" href="#__codelineno-29-5"></a> <span class="kd">private</span> <span class="kd">var</span> <span class="nv">queSize</span><span class="p">:</span> <span class="nb">Int</span> <span class="c1">// 双向队列长度</span>
<a id="__codelineno-29-5" name="__codelineno-29-5" href="#__codelineno-29-5"></a> <span class="kd">private</span> <span class="kd">var</span> <span class="nv">_size</span><span class="p">:</span> <span class="nb">Int</span> <span class="c1">// 双向队列长度</span>
<a id="__codelineno-29-6" name="__codelineno-29-6" href="#__codelineno-29-6"></a>
<a id="__codelineno-29-7" name="__codelineno-29-7" href="#__codelineno-29-7"></a> <span class="cm">/* 构造方法 */</span>
<a id="__codelineno-29-8" name="__codelineno-29-8" href="#__codelineno-29-8"></a> <span class="kd">init</span><span class="p">(</span><span class="n">capacity</span><span class="p">:</span> <span class="nb">Int</span><span class="p">)</span> <span class="p">{</span>
<a id="__codelineno-29-9" name="__codelineno-29-9" href="#__codelineno-29-9"></a> <span class="n">nums</span> <span class="p">=</span> <span class="nb">Array</span><span class="p">(</span><span class="n">repeating</span><span class="p">:</span> <span class="mi">0</span><span class="p">,</span> <span class="bp">count</span><span class="p">:</span> <span class="n">capacity</span><span class="p">)</span>
<a id="__codelineno-29-10" name="__codelineno-29-10" href="#__codelineno-29-10"></a> <span class="n">front</span> <span class="p">=</span> <span class="mi">0</span>
<a id="__codelineno-29-11" name="__codelineno-29-11" href="#__codelineno-29-11"></a> <span class="n">queSize</span> <span class="p">=</span> <span class="mi">0</span>
<a id="__codelineno-29-11" name="__codelineno-29-11" href="#__codelineno-29-11"></a> <span class="n">_size</span> <span class="p">=</span> <span class="mi">0</span>
<a id="__codelineno-29-12" name="__codelineno-29-12" href="#__codelineno-29-12"></a> <span class="p">}</span>
<a id="__codelineno-29-13" name="__codelineno-29-13" href="#__codelineno-29-13"></a>
<a id="__codelineno-29-14" name="__codelineno-29-14" href="#__codelineno-29-14"></a> <span class="cm">/* 获取双向队列的容量 */</span>
@@ -6206,7 +6212,7 @@
<a id="__codelineno-29-18" name="__codelineno-29-18" href="#__codelineno-29-18"></a>
<a id="__codelineno-29-19" name="__codelineno-29-19" href="#__codelineno-29-19"></a> <span class="cm">/* 获取双向队列的长度 */</span>
<a id="__codelineno-29-20" name="__codelineno-29-20" href="#__codelineno-29-20"></a> <span class="kd">func</span> <span class="nf">size</span><span class="p">()</span> <span class="p">-&gt;</span> <span class="nb">Int</span> <span class="p">{</span>
<a id="__codelineno-29-21" name="__codelineno-29-21" href="#__codelineno-29-21"></a> <span class="n">queSize</span>
<a id="__codelineno-29-21" name="__codelineno-29-21" href="#__codelineno-29-21"></a> <span class="n">_size</span>
<a id="__codelineno-29-22" name="__codelineno-29-22" href="#__codelineno-29-22"></a> <span class="p">}</span>
<a id="__codelineno-29-23" name="__codelineno-29-23" href="#__codelineno-29-23"></a>
<a id="__codelineno-29-24" name="__codelineno-29-24" href="#__codelineno-29-24"></a> <span class="cm">/* 判断双向队列是否为空 */</span>
@@ -6233,7 +6239,7 @@
<a id="__codelineno-29-45" name="__codelineno-29-45" href="#__codelineno-29-45"></a> <span class="n">front</span> <span class="p">=</span> <span class="n">index</span><span class="p">(</span><span class="n">i</span><span class="p">:</span> <span class="n">front</span> <span class="o">-</span> <span class="mi">1</span><span class="p">)</span>
<a id="__codelineno-29-46" name="__codelineno-29-46" href="#__codelineno-29-46"></a> <span class="c1">// 将 num 添加至队首</span>
<a id="__codelineno-29-47" name="__codelineno-29-47" href="#__codelineno-29-47"></a> <span class="n">nums</span><span class="p">[</span><span class="n">front</span><span class="p">]</span> <span class="p">=</span> <span class="n">num</span>
<a id="__codelineno-29-48" name="__codelineno-29-48" href="#__codelineno-29-48"></a> <span class="n">queSize</span> <span class="o">+=</span> <span class="mi">1</span>
<a id="__codelineno-29-48" name="__codelineno-29-48" href="#__codelineno-29-48"></a> <span class="n">_size</span> <span class="o">+=</span> <span class="mi">1</span>
<a id="__codelineno-29-49" name="__codelineno-29-49" href="#__codelineno-29-49"></a> <span class="p">}</span>
<a id="__codelineno-29-50" name="__codelineno-29-50" href="#__codelineno-29-50"></a>
<a id="__codelineno-29-51" name="__codelineno-29-51" href="#__codelineno-29-51"></a> <span class="cm">/* 队尾入队 */</span>
@@ -6246,7 +6252,7 @@
<a id="__codelineno-29-58" name="__codelineno-29-58" href="#__codelineno-29-58"></a> <span class="kd">let</span> <span class="nv">rear</span> <span class="p">=</span> <span class="n">index</span><span class="p">(</span><span class="n">i</span><span class="p">:</span> <span class="n">front</span> <span class="o">+</span> <span class="n">size</span><span class="p">())</span>
<a id="__codelineno-29-59" name="__codelineno-29-59" href="#__codelineno-29-59"></a> <span class="c1">// 将 num 添加至队尾</span>
<a id="__codelineno-29-60" name="__codelineno-29-60" href="#__codelineno-29-60"></a> <span class="n">nums</span><span class="p">[</span><span class="n">rear</span><span class="p">]</span> <span class="p">=</span> <span class="n">num</span>
<a id="__codelineno-29-61" name="__codelineno-29-61" href="#__codelineno-29-61"></a> <span class="n">queSize</span> <span class="o">+=</span> <span class="mi">1</span>
<a id="__codelineno-29-61" name="__codelineno-29-61" href="#__codelineno-29-61"></a> <span class="n">_size</span> <span class="o">+=</span> <span class="mi">1</span>
<a id="__codelineno-29-62" name="__codelineno-29-62" href="#__codelineno-29-62"></a> <span class="p">}</span>
<a id="__codelineno-29-63" name="__codelineno-29-63" href="#__codelineno-29-63"></a>
<a id="__codelineno-29-64" name="__codelineno-29-64" href="#__codelineno-29-64"></a> <span class="cm">/* 队首出队 */</span>
@@ -6254,14 +6260,14 @@
<a id="__codelineno-29-66" name="__codelineno-29-66" href="#__codelineno-29-66"></a> <span class="kd">let</span> <span class="nv">num</span> <span class="p">=</span> <span class="n">peekFirst</span><span class="p">()</span>
<a id="__codelineno-29-67" name="__codelineno-29-67" href="#__codelineno-29-67"></a> <span class="c1">// 队首指针向后移动一位</span>
<a id="__codelineno-29-68" name="__codelineno-29-68" href="#__codelineno-29-68"></a> <span class="n">front</span> <span class="p">=</span> <span class="n">index</span><span class="p">(</span><span class="n">i</span><span class="p">:</span> <span class="n">front</span> <span class="o">+</span> <span class="mi">1</span><span class="p">)</span>
<a id="__codelineno-29-69" name="__codelineno-29-69" href="#__codelineno-29-69"></a> <span class="n">queSize</span> <span class="o">-=</span> <span class="mi">1</span>
<a id="__codelineno-29-69" name="__codelineno-29-69" href="#__codelineno-29-69"></a> <span class="n">_size</span> <span class="o">-=</span> <span class="mi">1</span>
<a id="__codelineno-29-70" name="__codelineno-29-70" href="#__codelineno-29-70"></a> <span class="k">return</span> <span class="n">num</span>
<a id="__codelineno-29-71" name="__codelineno-29-71" href="#__codelineno-29-71"></a> <span class="p">}</span>
<a id="__codelineno-29-72" name="__codelineno-29-72" href="#__codelineno-29-72"></a>
<a id="__codelineno-29-73" name="__codelineno-29-73" href="#__codelineno-29-73"></a> <span class="cm">/* 队尾出队 */</span>
<a id="__codelineno-29-74" name="__codelineno-29-74" href="#__codelineno-29-74"></a> <span class="kd">func</span> <span class="nf">popLast</span><span class="p">()</span> <span class="p">-&gt;</span> <span class="nb">Int</span> <span class="p">{</span>
<a id="__codelineno-29-75" name="__codelineno-29-75" href="#__codelineno-29-75"></a> <span class="kd">let</span> <span class="nv">num</span> <span class="p">=</span> <span class="n">peekLast</span><span class="p">()</span>
<a id="__codelineno-29-76" name="__codelineno-29-76" href="#__codelineno-29-76"></a> <span class="n">queSize</span> <span class="o">-=</span> <span class="mi">1</span>
<a id="__codelineno-29-76" name="__codelineno-29-76" href="#__codelineno-29-76"></a> <span class="n">_size</span> <span class="o">-=</span> <span class="mi">1</span>
<a id="__codelineno-29-77" name="__codelineno-29-77" href="#__codelineno-29-77"></a> <span class="k">return</span> <span class="n">num</span>
<a id="__codelineno-29-78" name="__codelineno-29-78" href="#__codelineno-29-78"></a> <span class="p">}</span>
<a id="__codelineno-29-79" name="__codelineno-29-79" href="#__codelineno-29-79"></a>
@@ -6286,13 +6292,9 @@
<a id="__codelineno-29-98" name="__codelineno-29-98" href="#__codelineno-29-98"></a> <span class="cm">/* 返回数组用于打印 */</span>
<a id="__codelineno-29-99" name="__codelineno-29-99" href="#__codelineno-29-99"></a> <span class="kd">func</span> <span class="nf">toArray</span><span class="p">()</span> <span class="p">-&gt;</span> <span class="p">[</span><span class="nb">Int</span><span class="p">]</span> <span class="p">{</span>
<a id="__codelineno-29-100" name="__codelineno-29-100" href="#__codelineno-29-100"></a> <span class="c1">// 仅转换有效长度范围内的列表元素</span>
<a id="__codelineno-29-101" name="__codelineno-29-101" href="#__codelineno-29-101"></a> <span class="kd">var</span> <span class="nv">res</span> <span class="p">=</span> <span class="nb">Array</span><span class="p">(</span><span class="n">repeating</span><span class="p">:</span> <span class="mi">0</span><span class="p">,</span> <span class="bp">count</span><span class="p">:</span> <span class="n">size</span><span class="p">())</span>
<a id="__codelineno-29-102" name="__codelineno-29-102" href="#__codelineno-29-102"></a> <span class="k">for</span> <span class="p">(</span><span class="n">i</span><span class="p">,</span> <span class="n">j</span><span class="p">)</span> <span class="k">in</span> <span class="n">sequence</span><span class="p">(</span><span class="bp">first</span><span class="p">:</span> <span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">front</span><span class="p">),</span> <span class="n">next</span><span class="p">:</span> <span class="p">{</span> <span class="nv">$0</span> <span class="o">&lt;</span> <span class="kc">self</span><span class="p">.</span><span class="n">size</span><span class="p">()</span> <span class="o">-</span> <span class="mi">1</span> <span class="p">?</span> <span class="p">(</span><span class="nv">$0</span> <span class="o">+</span> <span class="mi">1</span><span class="p">,</span> <span class="nv">$1</span> <span class="o">+</span> <span class="mi">1</span><span class="p">)</span> <span class="p">:</span> <span class="kc">nil</span> <span class="p">})</span> <span class="p">{</span>
<a id="__codelineno-29-103" name="__codelineno-29-103" href="#__codelineno-29-103"></a> <span class="n">res</span><span class="p">[</span><span class="n">i</span><span class="p">]</span> <span class="p">=</span> <span class="n">nums</span><span class="p">[</span><span class="n">index</span><span class="p">(</span><span class="n">i</span><span class="p">:</span> <span class="n">j</span><span class="p">)]</span>
<a id="__codelineno-29-104" name="__codelineno-29-104" href="#__codelineno-29-104"></a> <span class="p">}</span>
<a id="__codelineno-29-105" name="__codelineno-29-105" href="#__codelineno-29-105"></a> <span class="k">return</span> <span class="n">res</span>
<a id="__codelineno-29-106" name="__codelineno-29-106" href="#__codelineno-29-106"></a> <span class="p">}</span>
<a id="__codelineno-29-107" name="__codelineno-29-107" href="#__codelineno-29-107"></a><span class="p">}</span>
<a id="__codelineno-29-101" name="__codelineno-29-101" href="#__codelineno-29-101"></a> <span class="p">(</span><span class="n">front</span> <span class="p">..</span><span class="o">&lt;</span> <span class="n">front</span> <span class="o">+</span> <span class="n">size</span><span class="p">()).</span><span class="bp">map</span> <span class="p">{</span> <span class="n">nums</span><span class="p">[</span><span class="n">index</span><span class="p">(</span><span class="n">i</span><span class="p">:</span> <span class="nv">$0</span><span class="p">)]</span> <span class="p">}</span>
<a id="__codelineno-29-102" name="__codelineno-29-102" href="#__codelineno-29-102"></a> <span class="p">}</span>
<a id="__codelineno-29-103" name="__codelineno-29-103" href="#__codelineno-29-103"></a><span class="p">}</span>
</code></pre></div>
</div>
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