leetcode-problemset/leetcode-cn/originData/check-whether-two-strings-are-almost-equivalent.json

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            "questionId": "2177",
            "questionFrontendId": "2068",
            "categoryTitle": "Algorithms",
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            "title": "Check Whether Two Strings are Almost Equivalent",
            "titleSlug": "check-whether-two-strings-are-almost-equivalent",
            "content": "<p>Two strings <code>word1</code> and <code>word2</code> are considered <strong>almost equivalent</strong> if the differences between the frequencies of each letter from <code>&#39;a&#39;</code> to <code>&#39;z&#39;</code> between <code>word1</code> and <code>word2</code> is <strong>at most</strong> <code>3</code>.</p>\n\n<p>Given two strings <code>word1</code> and <code>word2</code>, each of length <code>n</code>, return <code>true</code> <em>if </em><code>word1</code> <em>and</em> <code>word2</code> <em>are <strong>almost equivalent</strong>, or</em> <code>false</code> <em>otherwise</em>.</p>\n\n<p>The <strong>frequency</strong> of a letter <code>x</code> is the number of times it occurs in the string.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> word1 = &quot;aaaa&quot;, word2 = &quot;bccb&quot;\n<strong>Output:</strong> false\n<strong>Explanation:</strong> There are 4 &#39;a&#39;s in &quot;aaaa&quot; but 0 &#39;a&#39;s in &quot;bccb&quot;.\nThe difference is 4, which is more than the allowed 3.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> word1 = &quot;abcdeef&quot;, word2 = &quot;abaaacc&quot;\n<strong>Output:</strong> true\n<strong>Explanation:</strong> The differences between the frequencies of each letter in word1 and word2 are at most 3:\n- &#39;a&#39; appears 1 time in word1 and 4 times in word2. The difference is 3.\n- &#39;b&#39; appears 1 time in word1 and 1 time in word2. The difference is 0.\n- &#39;c&#39; appears 1 time in word1 and 2 times in word2. The difference is 1.\n- &#39;d&#39; appears 1 time in word1 and 0 times in word2. The difference is 1.\n- &#39;e&#39; appears 2 times in word1 and 0 times in word2. The difference is 2.\n- &#39;f&#39; appears 1 time in word1 and 0 times in word2. The difference is 1.\n</pre>\n\n<p><strong class=\"example\">Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> word1 = &quot;cccddabba&quot;, word2 = &quot;babababab&quot;\n<strong>Output:</strong> true\n<strong>Explanation:</strong> The differences between the frequencies of each letter in word1 and word2 are at most 3:\n- &#39;a&#39; appears 2 times in word1 and 4 times in word2. The difference is 2.\n- &#39;b&#39; appears 2 times in word1 and 5 times in word2. The difference is 3.\n- &#39;c&#39; appears 3 times in word1 and 0 times in word2. The difference is 3.\n- &#39;d&#39; appears 2 times in word1 and 0 times in word2. The difference is 2.\n</pre>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>n == word1.length == word2.length</code></li>\n\t<li><code>1 &lt;= n &lt;= 100</code></li>\n\t<li><code>word1</code> and <code>word2</code> consist only of lowercase English letters.</li>\n</ul>\n",
            "translatedTitle": "检查两个字符串是否几乎相等",
            "translatedContent": "<p>如果两个字符串 <code>word1</code>&nbsp;和 <code>word2</code>&nbsp;中从 <code>'a'</code>&nbsp;到 <code>'z'</code>&nbsp;每一个字母出现频率之差都 <strong>不超过</strong>&nbsp;<code>3</code>&nbsp;，那么我们称这两个字符串&nbsp;<code>word1</code> 和&nbsp;<code>word2</code> <strong>几乎相等</strong>&nbsp;。</p>\n\n<p>给你两个长度都为&nbsp;<code>n</code>&nbsp;的字符串&nbsp;<code>word1</code> 和&nbsp;<code>word2</code>&nbsp;，如果&nbsp;<code>word1</code>&nbsp;和&nbsp;<code>word2</code>&nbsp;<strong>几乎相等</strong>&nbsp;，请你返回&nbsp;<code>true</code>&nbsp;，否则返回&nbsp;<code>false</code>&nbsp;。</p>\n\n<p>一个字母 <code>x</code>&nbsp;的出现 <strong>频率</strong>&nbsp;指的是它在字符串中出现的次数。</p>\n\n<p>&nbsp;</p>\n\n<p><strong>示例 1：</strong></p>\n\n<pre><b>输入：</b>word1 = \"aaaa\", word2 = \"bccb\"\n<b>输出：</b>false\n<b>解释：</b>字符串 \"aaaa\" 中有 4 个 'a' ，但是 \"bccb\" 中有 0 个 'a' 。\n两者之差为 4 ，大于上限 3 。\n</pre>\n\n<p><strong>示例 2：</strong></p>\n\n<pre><b>输入：</b>word1 = \"abcdeef\", word2 = \"abaaacc\"\n<b>输出：</b>true\n<b>解释：</b>word1 和 word2 中每个字母出现频率之差至多为 3 ：\n- 'a' 在 word1 中出现了 1 次，在 word2 中出现了 4 次，差为 3 。\n- 'b' 在 word1 中出现了 1 次，在 word2 中出现了 1 次，差为 0 。\n- 'c' 在 word1 中出现了 1 次，在 word2 中出现了 2 次，差为 1 。\n- 'd' 在 word1 中出现了 1 次，在 word2 中出现了 0 次，差为 1 。\n- 'e' 在 word1 中出现了 2 次，在 word2 中出现了 0 次，差为 2 。\n- 'f' 在 word1 中出现了 1 次，在 word2 中出现了 0 次，差为 1 。\n</pre>\n\n<p><strong>示例 3：</strong></p>\n\n<pre><b>输入：</b>word1 = \"cccddabba\", word2 = \"babababab\"\n<b>输出：</b>true\n<b>解释：</b>word1 和 word2 中每个字母出现频率之差至多为 3 ：\n- 'a' 在 word1 中出现了 2 次，在 word2 中出现了 4 次，差为 2 。\n- 'b' 在 word1 中出现了 2 次，在 word2 中出现了 5 次，差为 3 。\n- 'c' 在 word1 中出现了 3 次，在 word2 中出现了 0 次，差为 3 。\n- 'd' 在 word1 中出现了 2 次，在 word2 中出现了 0 次，差为 2 。\n</pre>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>n == word1.length == word2.length</code></li>\n\t<li><code>1 &lt;= n &lt;= 100</code></li>\n\t<li><code>word1</code> 和&nbsp;<code>word2</code>&nbsp;都只包含小写英文字母。</li>\n</ul>\n",
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