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@@ -12,7 +12,7 @@
"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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"difficulty": "Medium",
"likes": 95,
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"isLiked": null,
"similarQuestions": "[]",
@@ -149,7 +149,7 @@
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"hints": [
"BruteForce, check all possibilities."
],