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krahets
2024-03-21 04:22:16 +08:00
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@@ -4747,7 +4747,7 @@
<a id="__codelineno-29-29" name="__codelineno-29-29" href="#__codelineno-29-29"></a> <span class="c1">// 子节点数量 = 0 or 1</span>
<a id="__codelineno-29-30" name="__codelineno-29-30" href="#__codelineno-29-30"></a> <span class="k">if</span> <span class="n">cur</span><span class="p">?.</span><span class="kr">left</span> <span class="p">==</span> <span class="kc">nil</span> <span class="o">||</span> <span class="n">cur</span><span class="p">?.</span><span class="kr">right</span> <span class="p">==</span> <span class="kc">nil</span> <span class="p">{</span>
<a id="__codelineno-29-31" name="__codelineno-29-31" href="#__codelineno-29-31"></a> <span class="c1">// 当子节点数量 = 0 / 1 时， child = null / 该子节点</span>
<a id="__codelineno-29-32" name="__codelineno-29-32" href="#__codelineno-29-32"></a> <span class="kd">let</span> <span class="nv">child</span> <span class="p">=</span> <span class="n">cur</span><span class="p">?.</span><span class="kr">left</span> <span class="o">!=</span> <span class="kc">nil</span> <span class="p">?</span> <span class="n">cur</span><span class="p">?.</span><span class="kr">left</span> <span class="p">:</span> <span class="n">cur</span><span class="p">?.</span><span class="kr">right</span>
<a id="__codelineno-29-32" name="__codelineno-29-32" href="#__codelineno-29-32"></a> <span class="kd">let</span> <span class="nv">child</span> <span class="p">=</span> <span class="n">cur</span><span class="p">?.</span><span class="kr">left</span> <span class="p">??</span> <span class="n">cur</span><span class="p">?.</span><span class="kr">right</span>
<a id="__codelineno-29-33" name="__codelineno-29-33" href="#__codelineno-29-33"></a> <span class="c1">// 删除节点 cur</span>
<a id="__codelineno-29-34" name="__codelineno-29-34" href="#__codelineno-29-34"></a> <span class="k">if</span> <span class="n">cur</span> <span class="o">!==</span> <span class="n">root</span> <span class="p">{</span>
<a id="__codelineno-29-35" name="__codelineno-29-35" href="#__codelineno-29-35"></a> <span class="k">if</span> <span class="n">pre</span><span class="p">?.</span><span class="kr">left</span> <span class="p">===</span> <span class="n">cur</span> <span class="p">{</span>