python -- 奇偶排序

[HTML_REMOVED] [HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] [HTML_REMOVED][HTML_REMOVED][HTML_REMOVED]好像突然有了软肋,又突然有了铠甲![HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] [HTML_REMOVED] [HTML_REMOVED]说明 -- wiki[HTML_REMOVED] [HTML_REMOVED] [HTML_REMOVED]该算法中,通过比较数组中相邻的(奇-偶)位置数字对,如果该奇偶对是错误的顺序(第一个大于第二个),则交换。下一步重复该操作,但针对所有的(偶-奇)位置数字对。如此交替进行下去[HTML_REMOVED] [HTML_REMOVED] [HTML_REMOVED] [HTML_REMOVED]动图[HTML_REMOVED] [HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] [HTML_REMOVED] [HTML_REMOVED]代码实现[HTML_REMOVED] [HTML_REMOVED][HTML_REMOVED][HTML_REMOVED][HTML_REMOVED][HTML_REMOVED]def[HTML_REMOVED] [HTML_REMOVED]odd_even[HTML_REMOVED][HTML_REMOVED]([HTML_REMOVED][HTML_REMOVED]L[HTML_REMOVED][HTML_REMOVED]):[HTML_REMOVED] [HTML_REMOVED]print[HTML_REMOVED][HTML_REMOVED]([HTML_REMOVED][HTML_REMOVED]L[HTML_REMOVED][HTML_REMOVED])[HTML_REMOVED] [HTML_REMOVED]while[HTML_REMOVED] [HTML_REMOVED]True[HTML_REMOVED][HTML_REMOVED]:[HTML_REMOVED] [HTML_REMOVED]sorted[HTML_REMOVED] [HTML_REMOVED]=[HTML_REMOVED] [HTML_REMOVED]True[HTML_REMOVED] [HTML_REMOVED]# 奇-偶[HTML_REMOVED] [HTML_REMOVED]for[HTML_REMOVED] [HTML_REMOVED]i[HTML_REMOVED] [HTML_REMOVED]in[HTML_REMOVED] [HTML_REMOVED]range[HTML_REMOVED][HTML_REMOVED]([HTML_REMOVED][HTML_REMOVED]0[HTML_REMOVED][HTML_REMOVED],[HTML_REMOVED][HTML_REMOVED]len[HTML_REMOVED][HTML_REMOVED]([HTML_REMOVED][HTML_REMOVED]L[HTML_REMOVED][HTML_REMOVED])[HTML_REMOVED][HTML_REMOVED]-[HTML_REMOVED][HTML_REMOVED]1[HTML_REMOVED][HTML_REMOVED],[HTML_REMOVED][HTML_REMOVED]2[HTML_REMOVED][HTML_REMOVED]):[HTML_REMOVED] [HTML_REMOVED]if[HTML_REMOVED] [HTML_REMOVED]L[HTML_REMOVED][HTML_REMOVED][[HTML_REMOVED][HTML_REMOVED]i[HTML_REMOVED][HTML_REMOVED]][HTML_REMOVED][HTML_REMOVED][HTML_REMOVED][HTML_REMOVED][HTML_REMOVED]L[HTML_REMOVED][HTML_REMOVED][[HTML_REMOVED][HTML_REMOVED]i[HTML_REMOVED][HTML_REMOVED]+[HTML_REMOVED][HTML_REMOVED]1[HTML_REMOVED][HTML_REMOVED]]:[HTML_REMOVED] [HTML_REMOVED]L[HTML_REMOVED][HTML_REMOVED][[HTML_REMOVED][HTML_REMOVED]i[HTML_REMOVED][HTML_REMOVED]],[HTML_REMOVED] [HTML_REMOVED]L[HTML_REMOVED][HTML_REMOVED][[HTML_REMOVED][HTML_REMOVED]i[HTML_REMOVED][HTML_REMOVED]+[HTML_REMOVED][HTML_REMOVED]1[HTML_REMOVED][HTML_REMOVED]][HTML_REMOVED] [HTML_REMOVED]=[HTML_REMOVED] [HTML_REMOVED]L[HTML_REMOVED][HTML_REMOVED][[HTML_REMOVED][HTML_REMOVED]i[HTML_REMOVED][HTML_REMOVED]+[HTML_REMOVED][HTML_REMOVED]1[HTML_REMOVED][HTML_REMOVED]],[HTML_REMOVED] [HTML_REMOVED]L[HTML_REMOVED][HTML_REMOVED][[HTML_REMOVED][HTML_REMOVED]i[HTML_REMOVED][HTML_REMOVED]][HTML_REMOVED] [HTML_REMOVED]sorted[HTML_REMOVED] [HTML_REMOVED]=[HTML_REMOVED] [HTML_REMOVED]False[HTML_REMOVED]

    <span class="k">print</span><span class="p">(</span><span class="n">L</span><span class="p">)</span>

    <span class="c1"># 偶-奇</span>
    <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span><span class="nb">len</span><span class="p">(</span><span class="n">L</span><span class="p">)</span><span class="o">-</span><span class="mi">1</span><span class="p">,</span><span class="mi">2</span><span class="p">):</span>
        <span class="k">if</span> <span class="n">L</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="o">&gt;</span><span class="n">L</span><span class="p">[</span><span class="n">i</span><span class="o">+</span><span class="mi">1</span><span class="p">]:</span>
            <span class="n">L</span><span class="p">[</span><span class="n">i</span><span class="p">],</span> <span class="n">L</span><span class="p">[</span><span class="n">i</span><span class="o">+</span><span class="mi">1</span><span class="p">]</span> <span class="o">=</span> <span class="n">L</span><span class="p">[</span><span class="n">i</span><span class="o">+</span><span class="mi">1</span><span class="p">],</span> <span class="n">L</span><span class="p">[</span><span class="n">i</span><span class="p">]</span>
            <span class="nb">sorted</span> <span class="o">=</span> <span class="bp">False</span>
    <span class="k">print</span><span class="p">(</span><span class="n">L</span><span class="p">)</span>

    <span class="k">if</span> <span class="nb">sorted</span><span class="p">:</span>
        <span class="k">break</span>

<span class="k">return</span> <span class="n">L</span>

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