leetcode-problemset/leetcode-cn/originData/count-number-of-teams.json

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            "title": "Count Number of Teams",
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            "content": "<p>There are <code>n</code> soldiers standing in a line. Each soldier is assigned a <strong>unique</strong> <code>rating</code> value.</p>\n\n<p>You have to form a team of 3 soldiers amongst them under the following rules:</p>\n\n<ul>\n\t<li>Choose 3 soldiers with index (<code>i</code>, <code>j</code>, <code>k</code>) with rating (<code>rating[i]</code>, <code>rating[j]</code>, <code>rating[k]</code>).</li>\n\t<li>A team is valid if: (<code>rating[i] &lt; rating[j] &lt; rating[k]</code>) or (<code>rating[i] &gt; rating[j] &gt; rating[k]</code>) where (<code>0 &lt;= i &lt; j &lt; k &lt; n</code>).</li>\n</ul>\n\n<p>Return the number of teams you can form given the conditions. (soldiers can be part of multiple teams).</p>\n\n<p>&nbsp;</p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> rating = [2,5,3,4,1]\n<strong>Output:</strong> 3\n<strong>Explanation:</strong> We can form three teams given the conditions. (2,3,4), (5,4,1), (5,3,1). \n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> rating = [2,1,3]\n<strong>Output:</strong> 0\n<strong>Explanation:</strong> We can&#39;t form any team given the conditions.\n</pre>\n\n<p><strong>Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> rating = [1,2,3,4]\n<strong>Output:</strong> 4\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>n == rating.length</code></li>\n\t<li><code>3 &lt;= n &lt;= 1000</code></li>\n\t<li><code>1 &lt;= rating[i] &lt;= 10<sup>5</sup></code></li>\n\t<li>All the integers in <code>rating</code> are <strong>unique</strong>.</li>\n</ul>\n",
            "translatedTitle": "统计作战单位数",
            "translatedContent": "<p> <code>n</code> 名士兵站成一排。每个士兵都有一个 <strong>独一无二</strong> 的评分 <code>rating</code> 。</p>\n\n<p>每 <strong>3</strong> 个士兵可以组成一个作战单位，分组规则如下：</p>\n\n<ul>\n\t<li>从队伍中选出下标分别为 <code>i</code>、<code>j</code>、<code>k</code> 的 3 名士兵，他们的评分分别为 <code>rating[i]</code>、<code>rating[j]</code>、<code>rating[k]</code></li>\n\t<li>作战单位需满足： <code>rating[i] < rating[j] < rating[k]</code> 或者 <code>rating[i] > rating[j] > rating[k]</code> ，其中  <code>0 <= i < j < k < n</code></li>\n</ul>\n\n<p>请你返回按上述条件可以组建的作战单位数量。每个士兵都可以是多个作战单位的一部分。</p>\n\n<p> </p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre>\n<strong>输入：</strong>rating = [2,5,3,4,1]\n<strong>输出：</strong>3\n<strong>解释：</strong>我们可以组建三个作战单位 (2,3,4)、(5,4,1)、(5,3,1) 。\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre>\n<strong>输入：</strong>rating = [2,1,3]\n<strong>输出：</strong>0\n<strong>解释：</strong>根据题目条件，我们无法组建作战单位。\n</pre>\n\n<p><strong>示例 3：</strong></p>\n\n<pre>\n<strong>输入：</strong>rating = [1,2,3,4]\n<strong>输出：</strong>4\n</pre>\n\n<p> </p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>n == rating.length</code></li>\n\t<li><code>3 <= n <= 1000</code></li>\n\t<li><code>1 <= rating[i] <= 10^5</code></li>\n\t<li><code>rating</code> 中的元素都是唯一的</li>\n</ul>\n",
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