leetcode-problemset/leetcode-cn/originData/total-characters-in-string-after-transformations-i.json

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        "question": {
            "questionId": "3629",
            "questionFrontendId": "3335",
            "categoryTitle": "Algorithms",
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            "title": "Total Characters in String After Transformations I",
            "titleSlug": "total-characters-in-string-after-transformations-i",
            "content": "<p>You are given a string <code>s</code> and an integer <code>t</code>, representing the number of <strong>transformations</strong> to perform. In one <strong>transformation</strong>, every character in <code>s</code> is replaced according to the following rules:</p>\n\n<ul>\n\t<li>If the character is <code>&#39;z&#39;</code>, replace it with the string <code>&quot;ab&quot;</code>.</li>\n\t<li>Otherwise, replace it with the <strong>next</strong> character in the alphabet. For example, <code>&#39;a&#39;</code> is replaced with <code>&#39;b&#39;</code>, <code>&#39;b&#39;</code> is replaced with <code>&#39;c&#39;</code>, and so on.</li>\n</ul>\n\n<p>Return the <strong>length</strong> of the resulting string after <strong>exactly</strong> <code>t</code> transformations.</p>\n\n<p>Since the answer may be very large, return it <strong>modulo</strong><!-- notionvc: eb142f2b-b818-4064-8be5-e5a36b07557a --> <code>10<sup>9</sup> + 7</code>.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<div class=\"example-block\">\n<p><strong>Input:</strong> <span class=\"example-io\">s = &quot;abcyy&quot;, t = 2</span></p>\n\n<p><strong>Output:</strong> <span class=\"example-io\">7</span></p>\n\n<p><strong>Explanation:</strong></p>\n\n<ul>\n\t<li><strong>First Transformation (t = 1)</strong>:\n\n\t<ul>\n\t\t<li><code>&#39;a&#39;</code> becomes <code>&#39;b&#39;</code></li>\n\t\t<li><code>&#39;b&#39;</code> becomes <code>&#39;c&#39;</code></li>\n\t\t<li><code>&#39;c&#39;</code> becomes <code>&#39;d&#39;</code></li>\n\t\t<li><code>&#39;y&#39;</code> becomes <code>&#39;z&#39;</code></li>\n\t\t<li><code>&#39;y&#39;</code> becomes <code>&#39;z&#39;</code></li>\n\t\t<li>String after the first transformation: <code>&quot;bcdzz&quot;</code></li>\n\t</ul>\n\t</li>\n\t<li><strong>Second Transformation (t = 2)</strong>:\n\t<ul>\n\t\t<li><code>&#39;b&#39;</code> becomes <code>&#39;c&#39;</code></li>\n\t\t<li><code>&#39;c&#39;</code> becomes <code>&#39;d&#39;</code></li>\n\t\t<li><code>&#39;d&#39;</code> becomes <code>&#39;e&#39;</code></li>\n\t\t<li><code>&#39;z&#39;</code> becomes <code>&quot;ab&quot;</code></li>\n\t\t<li><code>&#39;z&#39;</code> becomes <code>&quot;ab&quot;</code></li>\n\t\t<li>String after the second transformation: <code>&quot;cdeabab&quot;</code></li>\n\t</ul>\n\t</li>\n\t<li><strong>Final Length of the string</strong>: The string is <code>&quot;cdeabab&quot;</code>, which has 7 characters.</li>\n</ul>\n</div>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<div class=\"example-block\">\n<p><strong>Input:</strong> <span class=\"example-io\">s = &quot;azbk&quot;, t = 1</span></p>\n\n<p><strong>Output:</strong> <span class=\"example-io\">5</span></p>\n\n<p><strong>Explanation:</strong></p>\n\n<ul>\n\t<li><strong>First Transformation (t = 1)</strong>:\n\n\t<ul>\n\t\t<li><code>&#39;a&#39;</code> becomes <code>&#39;b&#39;</code></li>\n\t\t<li><code>&#39;z&#39;</code> becomes <code>&quot;ab&quot;</code></li>\n\t\t<li><code>&#39;b&#39;</code> becomes <code>&#39;c&#39;</code></li>\n\t\t<li><code>&#39;k&#39;</code> becomes <code>&#39;l&#39;</code></li>\n\t\t<li>String after the first transformation: <code>&quot;babcl&quot;</code></li>\n\t</ul>\n\t</li>\n\t<li><strong>Final Length of the string</strong>: The string is <code>&quot;babcl&quot;</code>, which has 5 characters.</li>\n</ul>\n</div>\n\n<p>&nbsp;</p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= s.length &lt;= 10<sup>5</sup></code></li>\n\t<li><code>s</code> consists only of lowercase English letters.</li>\n\t<li><code>1 &lt;= t &lt;= 10<sup>5</sup></code></li>\n</ul>\n",
            "translatedTitle": "字符串转换后的长度 I",
            "translatedContent": "<p>给你一个字符串 <code>s</code> 和一个整数 <code>t</code>，表示要执行的<strong> 转换 </strong>次数。每次 <strong>转换 </strong>需要根据以下规则替换字符串 <code>s</code> 中的每个字符：</p>\n\n<ul>\n\t<li>如果字符是 <code>'z'</code>，则将其替换为字符串 <code>\"ab\"</code>。</li>\n\t<li>否则，将其替换为字母表中的<strong>下一个</strong>字符。例如，<code>'a'</code> 替换为 <code>'b'</code>，<code>'b'</code> 替换为 <code>'c'</code>，依此类推。</li>\n</ul>\n\n<p>返回<strong> 恰好 </strong>执行 <code>t</code> 次转换后得到的字符串的 <strong>长度</strong>。</p>\n\n<p>由于答案可能非常大，返回其对 <code>10<sup>9</sup> + 7</code> 取余的结果。</p>\n\n<p>&nbsp;</p>\n\n<p><strong class=\"example\">示例 1：</strong></p>\n\n<div class=\"example-block\">\n<p><strong>输入：</strong> <span class=\"example-io\">s = \"abcyy\", t = 2</span></p>\n\n<p><strong>输出：</strong> <span class=\"example-io\">7</span></p>\n\n<p><strong>解释：</strong></p>\n\n<ul>\n\t<li><strong>第一次转换 (t = 1)</strong>\n\n\t<ul>\n\t\t<li><code>'a'</code> 变为 <code>'b'</code></li>\n\t\t<li><code>'b'</code> 变为 <code>'c'</code></li>\n\t\t<li><code>'c'</code> 变为 <code>'d'</code></li>\n\t\t<li><code>'y'</code> 变为 <code>'z'</code></li>\n\t\t<li><code>'y'</code> 变为 <code>'z'</code></li>\n\t\t<li>第一次转换后的字符串为：<code>\"bcdzz\"</code></li>\n\t</ul>\n\t</li>\n\t<li><strong>第二次转换 (t = 2)</strong>\n\t<ul>\n\t\t<li><code>'b'</code> 变为 <code>'c'</code></li>\n\t\t<li><code>'c'</code> 变为 <code>'d'</code></li>\n\t\t<li><code>'d'</code> 变为 <code>'e'</code></li>\n\t\t<li><code>'z'</code> 变为 <code>\"ab\"</code></li>\n\t\t<li><code>'z'</code> 变为 <code>\"ab\"</code></li>\n\t\t<li>第二次转换后的字符串为：<code>\"cdeabab\"</code></li>\n\t</ul>\n\t</li>\n\t<li><strong>最终字符串长度</strong>：字符串为 <code>\"cdeabab\"</code>，长度为 7 个字符。</li>\n</ul>\n</div>\n\n<p><strong class=\"example\">示例 2：</strong></p>\n\n<div class=\"example-block\">\n<p><strong>输入：</strong> <span class=\"example-io\">s = \"azbk\", t = 1</span></p>\n\n<p><strong>输出：</strong> <span class=\"example-io\">5</span></p>\n\n<p><strong>解释：</strong></p>\n\n<ul>\n\t<li><strong>第一次转换 (t = 1)</strong>\n\n\t<ul>\n\t\t<li><code>'a'</code> 变为 <code>'b'</code></li>\n\t\t<li><code>'z'</code> 变为 <code>\"ab\"</code></li>\n\t\t<li><code>'b'</code> 变为 <code>'c'</code></li>\n\t\t<li><code>'k'</code> 变为 <code>'l'</code></li>\n\t\t<li>第一次转换后的字符串为：<code>\"babcl\"</code></li>\n\t</ul>\n\t</li>\n\t<li><strong>最终字符串长度</strong>：字符串为 <code>\"babcl\"</code>，长度为 5 个字符。</li>\n</ul>\n</div>\n\n<p>&nbsp;</p>\n\n<p><strong>提示：</strong></p>\n\n<ul>\n\t<li><code>1 &lt;= s.length &lt;= 10<sup>5</sup></code></li>\n\t<li><code>s</code> 仅由小写英文字母组成。</li>\n\t<li><code>1 &lt;= t &lt;= 10<sup>5</sup></code></li>\n</ul>\n",
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