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@@ -4657,7 +4657,7 @@
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<a id="__codelineno-23-22" name="__codelineno-23-22" href="#__codelineno-23-22"></a>
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<a id="__codelineno-23-23" name="__codelineno-23-23" href="#__codelineno-23-23"></a><span class="w"> </span><span class="cm">/* 判斷佇列是否為空 */</span>
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<a id="__codelineno-23-24" name="__codelineno-23-24" href="#__codelineno-23-24"></a><span class="w"> </span><span class="k">pub</span><span class="w"> </span><span class="k">fn</span><span class="w"> </span><span class="nf">is_empty</span><span class="p">(</span><span class="o">&</span><span class="bp">self</span><span class="p">)</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="kt">bool</span><span class="w"> </span><span class="p">{</span>
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<a id="__codelineno-23-25" name="__codelineno-23-25" href="#__codelineno-23-25"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="bp">self</span><span class="p">.</span><span class="n">size</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-23-25" name="__codelineno-23-25" href="#__codelineno-23-25"></a><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="bp">self</span><span class="p">.</span><span class="n">que_size</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-23-26" name="__codelineno-23-26" href="#__codelineno-23-26"></a><span class="w"> </span><span class="p">}</span>
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<a id="__codelineno-23-27" name="__codelineno-23-27" href="#__codelineno-23-27"></a>
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<a id="__codelineno-23-28" name="__codelineno-23-28" href="#__codelineno-23-28"></a><span class="w"> </span><span class="cm">/* 入列 */</span>
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@@ -5677,18 +5677,18 @@
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</div>
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<div class="tabbed-block">
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<div class="highlight"><span class="filename">array_queue.rs</span><pre><span></span><code><a id="__codelineno-37-1" name="__codelineno-37-1" href="#__codelineno-37-1"></a><span class="cm">/* 基於環形陣列實現的佇列 */</span>
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<a id="__codelineno-37-2" name="__codelineno-37-2" href="#__codelineno-37-2"></a><span class="k">struct</span><span class="w"> </span><span class="nc">ArrayQueue</span><span class="w"> </span><span class="p">{</span>
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<a id="__codelineno-37-3" name="__codelineno-37-3" href="#__codelineno-37-3"></a><span class="w"> </span><span class="n">nums</span><span class="p">:</span><span class="w"> </span><span class="nb">Vec</span><span class="o"><</span><span class="kt">i32</span><span class="o">></span><span class="p">,</span><span class="w"> </span><span class="c1">// 用於儲存佇列元素的陣列</span>
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<a id="__codelineno-37-2" name="__codelineno-37-2" href="#__codelineno-37-2"></a><span class="k">struct</span><span class="w"> </span><span class="nc">ArrayQueue</span><span class="o"><</span><span class="n">T</span><span class="o">></span><span class="w"> </span><span class="p">{</span>
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<a id="__codelineno-37-3" name="__codelineno-37-3" href="#__codelineno-37-3"></a><span class="w"> </span><span class="n">nums</span><span class="p">:</span><span class="w"> </span><span class="nb">Vec</span><span class="o"><</span><span class="n">T</span><span class="o">></span><span class="p">,</span><span class="w"> </span><span class="c1">// 用於儲存佇列元素的陣列</span>
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||||
<a id="__codelineno-37-4" name="__codelineno-37-4" href="#__codelineno-37-4"></a><span class="w"> </span><span class="n">front</span><span class="p">:</span><span class="w"> </span><span class="kt">i32</span><span class="p">,</span><span class="w"> </span><span class="c1">// 佇列首指標，指向佇列首元素</span>
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||||
<a id="__codelineno-37-5" name="__codelineno-37-5" href="#__codelineno-37-5"></a><span class="w"> </span><span class="n">que_size</span><span class="p">:</span><span class="w"> </span><span class="kt">i32</span><span class="p">,</span><span class="w"> </span><span class="c1">// 佇列長度</span>
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<a id="__codelineno-37-6" name="__codelineno-37-6" href="#__codelineno-37-6"></a><span class="w"> </span><span class="n">que_capacity</span><span class="p">:</span><span class="w"> </span><span class="kt">i32</span><span class="p">,</span><span class="w"> </span><span class="c1">// 佇列容量</span>
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||||
<a id="__codelineno-37-7" name="__codelineno-37-7" href="#__codelineno-37-7"></a><span class="p">}</span>
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<a id="__codelineno-37-8" name="__codelineno-37-8" href="#__codelineno-37-8"></a>
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<a id="__codelineno-37-9" name="__codelineno-37-9" href="#__codelineno-37-9"></a><span class="k">impl</span><span class="w"> </span><span class="n">ArrayQueue</span><span class="w"> </span><span class="p">{</span>
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<a id="__codelineno-37-9" name="__codelineno-37-9" href="#__codelineno-37-9"></a><span class="k">impl</span><span class="o"><</span><span class="n">T</span><span class="p">:</span><span class="w"> </span><span class="nb">Copy</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="nb">Default</span><span class="o">></span><span class="w"> </span><span class="n">ArrayQueue</span><span class="o"><</span><span class="n">T</span><span class="o">></span><span class="w"> </span><span class="p">{</span>
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||||
<a id="__codelineno-37-10" name="__codelineno-37-10" href="#__codelineno-37-10"></a><span class="w"> </span><span class="cm">/* 建構子 */</span>
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<a id="__codelineno-37-11" name="__codelineno-37-11" href="#__codelineno-37-11"></a><span class="w"> </span><span class="k">fn</span><span class="w"> </span><span class="nf">new</span><span class="p">(</span><span class="n">capacity</span><span class="p">:</span><span class="w"> </span><span class="kt">i32</span><span class="p">)</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="nc">ArrayQueue</span><span class="w"> </span><span class="p">{</span>
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||||
<a id="__codelineno-37-11" name="__codelineno-37-11" href="#__codelineno-37-11"></a><span class="w"> </span><span class="k">fn</span><span class="w"> </span><span class="nf">new</span><span class="p">(</span><span class="n">capacity</span><span class="p">:</span><span class="w"> </span><span class="kt">i32</span><span class="p">)</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="nc">ArrayQueue</span><span class="o"><</span><span class="n">T</span><span class="o">></span><span class="w"> </span><span class="p">{</span>
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||||
<a id="__codelineno-37-12" name="__codelineno-37-12" href="#__codelineno-37-12"></a><span class="w"> </span><span class="n">ArrayQueue</span><span class="w"> </span><span class="p">{</span>
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<a id="__codelineno-37-13" name="__codelineno-37-13" href="#__codelineno-37-13"></a><span class="w"> </span><span class="n">nums</span><span class="p">:</span><span class="w"> </span><span class="nc">vec</span><span class="o">!</span><span class="p">[</span><span class="mi">0</span><span class="p">;</span><span class="w"> </span><span class="n">capacity</span><span class="w"> </span><span class="k">as</span><span class="w"> </span><span class="kt">usize</span><span class="p">],</span>
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||||
<a id="__codelineno-37-13" name="__codelineno-37-13" href="#__codelineno-37-13"></a><span class="w"> </span><span class="n">nums</span><span class="p">:</span><span class="w"> </span><span class="nc">vec</span><span class="o">!</span><span class="p">[</span><span class="n">T</span><span class="p">::</span><span class="n">default</span><span class="p">();</span><span class="w"> </span><span class="n">capacity</span><span class="w"> </span><span class="k">as</span><span class="w"> </span><span class="kt">usize</span><span class="p">],</span>
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||||
<a id="__codelineno-37-14" name="__codelineno-37-14" href="#__codelineno-37-14"></a><span class="w"> </span><span class="n">front</span><span class="p">:</span><span class="w"> </span><span class="mi">0</span><span class="p">,</span>
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||||
<a id="__codelineno-37-15" name="__codelineno-37-15" href="#__codelineno-37-15"></a><span class="w"> </span><span class="n">que_size</span><span class="p">:</span><span class="w"> </span><span class="mi">0</span><span class="p">,</span>
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||||
<a id="__codelineno-37-16" name="__codelineno-37-16" href="#__codelineno-37-16"></a><span class="w"> </span><span class="n">que_capacity</span><span class="p">:</span><span class="w"> </span><span class="nc">capacity</span><span class="p">,</span>
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||||
@@ -5711,7 +5711,7 @@
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<a id="__codelineno-37-33" name="__codelineno-37-33" href="#__codelineno-37-33"></a><span class="w"> </span><span class="p">}</span>
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||||
<a id="__codelineno-37-34" name="__codelineno-37-34" href="#__codelineno-37-34"></a>
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||||
<a id="__codelineno-37-35" name="__codelineno-37-35" href="#__codelineno-37-35"></a><span class="w"> </span><span class="cm">/* 入列 */</span>
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||||
<a id="__codelineno-37-36" name="__codelineno-37-36" href="#__codelineno-37-36"></a><span class="w"> </span><span class="k">fn</span><span class="w"> </span><span class="nf">push</span><span class="p">(</span><span class="o">&</span><span class="k">mut</span><span class="w"> </span><span class="bp">self</span><span class="p">,</span><span class="w"> </span><span class="n">num</span><span class="p">:</span><span class="w"> </span><span class="kt">i32</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
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||||
<a id="__codelineno-37-36" name="__codelineno-37-36" href="#__codelineno-37-36"></a><span class="w"> </span><span class="k">fn</span><span class="w"> </span><span class="nf">push</span><span class="p">(</span><span class="o">&</span><span class="k">mut</span><span class="w"> </span><span class="bp">self</span><span class="p">,</span><span class="w"> </span><span class="n">num</span><span class="p">:</span><span class="w"> </span><span class="nc">T</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
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||||
<a id="__codelineno-37-37" name="__codelineno-37-37" href="#__codelineno-37-37"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="bp">self</span><span class="p">.</span><span class="n">que_size</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="bp">self</span><span class="p">.</span><span class="n">capacity</span><span class="p">()</span><span class="w"> </span><span class="p">{</span>
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||||
<a id="__codelineno-37-38" name="__codelineno-37-38" href="#__codelineno-37-38"></a><span class="w"> </span><span class="fm">println!</span><span class="p">(</span><span class="s">"佇列已滿"</span><span class="p">);</span>
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<a id="__codelineno-37-39" name="__codelineno-37-39" href="#__codelineno-37-39"></a><span class="w"> </span><span class="k">return</span><span class="p">;</span>
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@@ -5725,7 +5725,7 @@
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<a id="__codelineno-37-47" name="__codelineno-37-47" href="#__codelineno-37-47"></a><span class="w"> </span><span class="p">}</span>
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||||
<a id="__codelineno-37-48" name="__codelineno-37-48" href="#__codelineno-37-48"></a>
|
||||
<a id="__codelineno-37-49" name="__codelineno-37-49" href="#__codelineno-37-49"></a><span class="w"> </span><span class="cm">/* 出列 */</span>
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<a id="__codelineno-37-50" name="__codelineno-37-50" href="#__codelineno-37-50"></a><span class="w"> </span><span class="k">fn</span><span class="w"> </span><span class="nf">pop</span><span class="p">(</span><span class="o">&</span><span class="k">mut</span><span class="w"> </span><span class="bp">self</span><span class="p">)</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="kt">i32</span><span class="w"> </span><span class="p">{</span>
|
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<a id="__codelineno-37-50" name="__codelineno-37-50" href="#__codelineno-37-50"></a><span class="w"> </span><span class="k">fn</span><span class="w"> </span><span class="nf">pop</span><span class="p">(</span><span class="o">&</span><span class="k">mut</span><span class="w"> </span><span class="bp">self</span><span class="p">)</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="nc">T</span><span class="w"> </span><span class="p">{</span>
|
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<a id="__codelineno-37-51" name="__codelineno-37-51" href="#__codelineno-37-51"></a><span class="w"> </span><span class="kd">let</span><span class="w"> </span><span class="n">num</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="bp">self</span><span class="p">.</span><span class="n">peek</span><span class="p">();</span>
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<a id="__codelineno-37-52" name="__codelineno-37-52" href="#__codelineno-37-52"></a><span class="w"> </span><span class="c1">// 佇列首指標向後移動一位，若越過尾部，則返回到陣列頭部</span>
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<a id="__codelineno-37-53" name="__codelineno-37-53" href="#__codelineno-37-53"></a><span class="w"> </span><span class="bp">self</span><span class="p">.</span><span class="n">front</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="bp">self</span><span class="p">.</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><span class="w"> </span><span class="o">%</span><span class="w"> </span><span class="bp">self</span><span class="p">.</span><span class="n">que_capacity</span><span class="p">;</span>
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@@ -5734,7 +5734,7 @@
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<a id="__codelineno-37-56" name="__codelineno-37-56" href="#__codelineno-37-56"></a><span class="w"> </span><span class="p">}</span>
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<a id="__codelineno-37-57" name="__codelineno-37-57" href="#__codelineno-37-57"></a>
|
||||
<a id="__codelineno-37-58" name="__codelineno-37-58" href="#__codelineno-37-58"></a><span class="w"> </span><span class="cm">/* 訪問佇列首元素 */</span>
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<a id="__codelineno-37-59" name="__codelineno-37-59" href="#__codelineno-37-59"></a><span class="w"> </span><span class="k">fn</span><span class="w"> </span><span class="nf">peek</span><span class="p">(</span><span class="o">&</span><span class="bp">self</span><span class="p">)</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="kt">i32</span><span class="w"> </span><span class="p">{</span>
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<a id="__codelineno-37-59" name="__codelineno-37-59" href="#__codelineno-37-59"></a><span class="w"> </span><span class="k">fn</span><span class="w"> </span><span class="nf">peek</span><span class="p">(</span><span class="o">&</span><span class="bp">self</span><span class="p">)</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="nc">T</span><span class="w"> </span><span class="p">{</span>
|
||||
<a id="__codelineno-37-60" name="__codelineno-37-60" href="#__codelineno-37-60"></a><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="bp">self</span><span class="p">.</span><span class="n">is_empty</span><span class="p">()</span><span class="w"> </span><span class="p">{</span>
|
||||
<a id="__codelineno-37-61" name="__codelineno-37-61" href="#__codelineno-37-61"></a><span class="w"> </span><span class="fm">panic!</span><span class="p">(</span><span class="s">"index out of bounds"</span><span class="p">);</span>
|
||||
<a id="__codelineno-37-62" name="__codelineno-37-62" href="#__codelineno-37-62"></a><span class="w"> </span><span class="p">}</span>
|
||||
@@ -5742,10 +5742,10 @@
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||||
<a id="__codelineno-37-64" name="__codelineno-37-64" href="#__codelineno-37-64"></a><span class="w"> </span><span class="p">}</span>
|
||||
<a id="__codelineno-37-65" name="__codelineno-37-65" href="#__codelineno-37-65"></a>
|
||||
<a id="__codelineno-37-66" name="__codelineno-37-66" href="#__codelineno-37-66"></a><span class="w"> </span><span class="cm">/* 返回陣列 */</span>
|
||||
<a id="__codelineno-37-67" name="__codelineno-37-67" href="#__codelineno-37-67"></a><span class="w"> </span><span class="k">fn</span><span class="w"> </span><span class="nf">to_vector</span><span class="p">(</span><span class="o">&</span><span class="bp">self</span><span class="p">)</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="nb">Vec</span><span class="o"><</span><span class="kt">i32</span><span class="o">></span><span class="w"> </span><span class="p">{</span>
|
||||
<a id="__codelineno-37-67" name="__codelineno-37-67" href="#__codelineno-37-67"></a><span class="w"> </span><span class="k">fn</span><span class="w"> </span><span class="nf">to_vector</span><span class="p">(</span><span class="o">&</span><span class="bp">self</span><span class="p">)</span><span class="w"> </span><span class="p">-></span><span class="w"> </span><span class="nb">Vec</span><span class="o"><</span><span class="n">T</span><span class="o">></span><span class="w"> </span><span class="p">{</span>
|
||||
<a id="__codelineno-37-68" name="__codelineno-37-68" href="#__codelineno-37-68"></a><span class="w"> </span><span class="kd">let</span><span class="w"> </span><span class="n">cap</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="bp">self</span><span class="p">.</span><span class="n">que_capacity</span><span class="p">;</span>
|
||||
<a id="__codelineno-37-69" name="__codelineno-37-69" href="#__codelineno-37-69"></a><span class="w"> </span><span class="kd">let</span><span class="w"> </span><span class="k">mut</span><span class="w"> </span><span class="n">j</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="bp">self</span><span class="p">.</span><span class="n">front</span><span class="p">;</span>
|
||||
<a id="__codelineno-37-70" name="__codelineno-37-70" href="#__codelineno-37-70"></a><span class="w"> </span><span class="kd">let</span><span class="w"> </span><span class="k">mut</span><span class="w"> </span><span class="n">arr</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="fm">vec!</span><span class="p">[</span><span class="mi">0</span><span class="p">;</span><span class="w"> </span><span class="bp">self</span><span class="p">.</span><span class="n">que_size</span><span class="w"> </span><span class="k">as</span><span class="w"> </span><span class="kt">usize</span><span class="p">];</span>
|
||||
<a id="__codelineno-37-70" name="__codelineno-37-70" href="#__codelineno-37-70"></a><span class="w"> </span><span class="kd">let</span><span class="w"> </span><span class="k">mut</span><span class="w"> </span><span class="n">arr</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="fm">vec!</span><span class="p">[</span><span class="n">T</span><span class="p">::</span><span class="n">default</span><span class="p">();</span><span class="w"> </span><span class="n">cap</span><span class="w"> </span><span class="k">as</span><span class="w"> </span><span class="kt">usize</span><span class="p">];</span>
|
||||
<a id="__codelineno-37-71" name="__codelineno-37-71" href="#__codelineno-37-71"></a><span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="n">i</span><span class="w"> </span><span class="k">in</span><span class="w"> </span><span class="mi">0</span><span class="o">..</span><span class="bp">self</span><span class="p">.</span><span class="n">que_size</span><span class="w"> </span><span class="p">{</span>
|
||||
<a id="__codelineno-37-72" name="__codelineno-37-72" href="#__codelineno-37-72"></a><span class="w"> </span><span class="n">arr</span><span class="p">[</span><span class="n">i</span><span class="w"> </span><span class="k">as</span><span class="w"> </span><span class="kt">usize</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="bp">self</span><span class="p">.</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">cap</span><span class="p">)</span><span class="w"> </span><span class="k">as</span><span class="w"> </span><span class="kt">usize</span><span class="p">];</span>
|
||||
<a id="__codelineno-37-73" name="__codelineno-37-73" href="#__codelineno-37-73"></a><span class="w"> </span><span class="n">j</span><span class="w"> </span><span class="o">+=</span><span class="w"> </span><span class="mi">1</span><span class="p">;</span>
|
||||
|
||||
Reference in New Issue
Block a user