|
25619 | 25619 | </span> |
25620 | 25620 | </a> |
25621 | 25621 |
|
| 25622 | +</li> |
| 25623 | + |
| 25624 | + <li class="md-nav__item"> |
| 25625 | + <a href="#solution-2-greedy-hash-map" class="md-nav__link"> |
| 25626 | + <span class="md-ellipsis"> |
| 25627 | + Solution 2: Greedy + Hash Map |
| 25628 | + </span> |
| 25629 | + </a> |
| 25630 | + |
25622 | 25631 | </li> |
25623 | 25632 |
|
25624 | 25633 | </ul> |
@@ -96632,10 +96641,10 @@ <h2 id="_1">题目描述</h2> |
96632 | 96641 | <strong>输入：</strong>answers = [1,1,2] |
96633 | 96642 | <strong>输出：</strong>5 |
96634 | 96643 | <strong>解释：</strong> |
96635 | | -两只回答了 "1" 的兔子可能有相同的颜色，设为红色。 |
| 96644 | +两只回答了 "1" 的兔子可能有相同的颜色，设为红色。 |
96636 | 96645 | 之后回答了 "2" 的兔子不会是红色，否则他们的回答会相互矛盾。 |
96637 | | -设回答了 "2" 的兔子为蓝色。 |
96638 | | -此外，森林中还应有另外 2 只蓝色兔子的回答没有包含在数组中。 |
| 96646 | +设回答了 "2" 的兔子为蓝色。 |
| 96647 | +此外，森林中还应有另外 2 只蓝色兔子的回答没有包含在数组中。 |
96639 | 96648 | 因此森林中兔子的最少数量是 5 只：3 只回答的和 2 只没有回答的。 |
96640 | 96649 | </pre> |
96641 | 96650 |
|
@@ -96800,6 +96809,77 @@ <h3 id="_3">方法一：贪心 + 哈希表</h3> |
96800 | 96809 | </div> |
96801 | 96810 | <!-- solution:end --> |
96802 | 96811 |
|
| 96812 | +<h3 id="solution-2-greedy-hash-map">Solution 2: Greedy + Hash Map</h3> |
| 96813 | +<div class="tabbed-set tabbed-alternate" data-tabs="2:2"><input checked="checked" id="__tabbed_2_1" name="__tabbed_2" type="radio" /><input id="__tabbed_2_2" name="__tabbed_2" type="radio" /><div class="tabbed-labels"><label for="__tabbed_2_1">TypeScript</label><label for="__tabbed_2_2">JavaScript</label></div> |
| 96814 | +<div class="tabbed-content"> |
| 96815 | +<div class="tabbed-block"> |
| 96816 | +<div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"> 1</span> |
| 96817 | +<span class="normal"> 2</span> |
| 96818 | +<span class="normal"> 3</span> |
| 96819 | +<span class="normal"> 4</span> |
| 96820 | +<span class="normal"> 5</span> |
| 96821 | +<span class="normal"> 6</span> |
| 96822 | +<span class="normal"> 7</span> |
| 96823 | +<span class="normal"> 8</span> |
| 96824 | +<span class="normal"> 9</span> |
| 96825 | +<span class="normal">10</span> |
| 96826 | +<span class="normal">11</span> |
| 96827 | +<span class="normal">12</span> |
| 96828 | +<span class="normal">13</span> |
| 96829 | +<span class="normal">14</span> |
| 96830 | +<span class="normal">15</span></pre></div></td><td class="code"><div><pre><span></span><code><span class="kd">function</span><span class="w"> </span><span class="nx">numRabbits</span><span class="p">(</span><span class="nx">answers</span><span class="o">:</span><span class="w"> </span><span class="kt">number</span><span class="p">[])</span><span class="o">:</span><span class="w"> </span><span class="kt">number</span><span class="w"> </span><span class="p">{</span> |
| 96831 | +<span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="nx">cnt</span><span class="o">:</span><span class="w"> </span><span class="kt">Record</span><span class="o"><</span><span class="kt">number</span><span class="p">,</span><span class="w"> </span><span class="kt">number</span><span class="o">></span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">{};</span> |
| 96832 | +<span class="w"> </span><span class="kd">let</span><span class="w"> </span><span class="nx">ans</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mf">0</span><span class="p">;</span> |
| 96833 | + |
| 96834 | +<span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="kd">const</span><span class="w"> </span><span class="nx">x</span><span class="w"> </span><span class="k">of</span><span class="w"> </span><span class="nx">answers</span><span class="p">)</span><span class="w"> </span><span class="p">{</span> |
| 96835 | +<span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="nx">cnt</span><span class="p">[</span><span class="nx">x</span><span class="p">])</span><span class="w"> </span><span class="p">{</span> |
| 96836 | +<span class="w"> </span><span class="nx">cnt</span><span class="p">[</span><span class="nx">x</span><span class="p">]</span><span class="o">--</span><span class="p">;</span> |
| 96837 | +<span class="w"> </span><span class="p">}</span><span class="w"> </span><span class="k">else</span><span class="w"> </span><span class="p">{</span> |
| 96838 | +<span class="w"> </span><span class="nx">cnt</span><span class="p">[</span><span class="nx">x</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">x</span><span class="p">;</span> |
| 96839 | +<span class="w"> </span><span class="nx">ans</span><span class="w"> </span><span class="o">+=</span><span class="w"> </span><span class="nx">x</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mf">1</span><span class="p">;</span> |
| 96840 | +<span class="w"> </span><span class="p">}</span> |
| 96841 | +<span class="w"> </span><span class="p">}</span> |
| 96842 | + |
| 96843 | +<span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="nx">ans</span><span class="p">;</span> |
| 96844 | +<span class="p">}</span> |
| 96845 | +</code></pre></div></td></tr></table></div> |
| 96846 | +</div> |
| 96847 | +<div class="tabbed-block"> |
| 96848 | +<div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span></span><span class="normal"> 1</span> |
| 96849 | +<span class="normal"> 2</span> |
| 96850 | +<span class="normal"> 3</span> |
| 96851 | +<span class="normal"> 4</span> |
| 96852 | +<span class="normal"> 5</span> |
| 96853 | +<span class="normal"> 6</span> |
| 96854 | +<span class="normal"> 7</span> |
| 96855 | +<span class="normal"> 8</span> |
| 96856 | +<span class="normal"> 9</span> |
| 96857 | +<span class="normal">10</span> |
| 96858 | +<span class="normal">11</span> |
| 96859 | +<span class="normal">12</span> |
| 96860 | +<span class="normal">13</span> |
| 96861 | +<span class="normal">14</span> |
| 96862 | +<span class="normal">15</span></pre></div></td><td class="code"><div><pre><span></span><code><span class="kd">function</span><span class="w"> </span><span class="nx">numRabbits</span><span class="p">(</span><span class="nx">answers</span><span class="p">)</span><span class="w"> </span><span class="p">{</span> |
| 96863 | +<span class="w"> </span><span class="kd">const</span><span class="w"> </span><span class="nx">cnt</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">{};</span> |
| 96864 | +<span class="w"> </span><span class="kd">let</span><span class="w"> </span><span class="nx">ans</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mf">0</span><span class="p">;</span> |
| 96865 | + |
| 96866 | +<span class="w"> </span><span class="k">for</span><span class="w"> </span><span class="p">(</span><span class="kd">const</span><span class="w"> </span><span class="nx">x</span><span class="w"> </span><span class="k">of</span><span class="w"> </span><span class="nx">answers</span><span class="p">)</span><span class="w"> </span><span class="p">{</span> |
| 96867 | +<span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="nx">cnt</span><span class="p">[</span><span class="nx">x</span><span class="p">])</span><span class="w"> </span><span class="p">{</span> |
| 96868 | +<span class="w"> </span><span class="nx">cnt</span><span class="p">[</span><span class="nx">x</span><span class="p">]</span><span class="o">--</span><span class="p">;</span> |
| 96869 | +<span class="w"> </span><span class="p">}</span><span class="w"> </span><span class="k">else</span><span class="w"> </span><span class="p">{</span> |
| 96870 | +<span class="w"> </span><span class="nx">cnt</span><span class="p">[</span><span class="nx">x</span><span class="p">]</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="nx">x</span><span class="p">;</span> |
| 96871 | +<span class="w"> </span><span class="nx">ans</span><span class="w"> </span><span class="o">+=</span><span class="w"> </span><span class="nx">x</span><span class="w"> </span><span class="o">+</span><span class="w"> </span><span class="mf">1</span><span class="p">;</span> |
| 96872 | +<span class="w"> </span><span class="p">}</span> |
| 96873 | +<span class="w"> </span><span class="p">}</span> |
| 96874 | + |
| 96875 | +<span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="nx">ans</span><span class="p">;</span> |
| 96876 | +<span class="p">}</span> |
| 96877 | +</code></pre></div></td></tr></table></div> |
| 96878 | +</div> |
| 96879 | +</div> |
| 96880 | +</div> |
| 96881 | +<!-- solution:end --> |
| 96882 | + |
96803 | 96883 | <!-- problem:end --> |
96804 | 96884 |
|
96805 | 96885 |
|
@@ -96829,6 +96909,11 @@ <h3 id="_3">方法一：贪心 + 哈希表</h3> |
96829 | 96909 |
|
96830 | 96910 | <nav> |
96831 | 96911 |
|
| 96912 | + <a href="https://github.com/rain84" class="md-author" title="@rain84"> |
| 96913 | + |
| 96914 | + <img src="https://avatars.githubusercontent.com/u/1732547?v=4&size=72" alt="rain84"> |
| 96915 | + </a> |
| 96916 | + |
96832 | 96917 | <a href="https://github.com/yanglbme" class="md-author" title="@yanglbme"> |
96833 | 96918 |
|
96834 | 96919 | <img src="https://avatars.githubusercontent.com/u/21008209?v=4&size=72" alt="yanglbme"> |
|
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