mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
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168 lines
16 KiB
JSON
168 lines
16 KiB
JSON
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"questionId": "2088",
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"title": "Minimum Time to Type Word Using Special Typewriter",
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"titleSlug": "minimum-time-to-type-word-using-special-typewriter",
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"content": "<p>There is a special typewriter with lowercase English letters <code>'a'</code> to <code>'z'</code> arranged in a <strong>circle</strong> with a <strong>pointer</strong>. A character can <strong>only</strong> be typed if the pointer is pointing to that character. The pointer is <strong>initially</strong> pointing to the character <code>'a'</code>.</p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2021/07/31/chart.jpg\" style=\"width: 530px; height: 410px;\" />\n<p>Each second, you may perform one of the following operations:</p>\n\n<ul>\n\t<li>Move the pointer one character <strong>counterclockwise</strong> or <strong>clockwise</strong>.</li>\n\t<li>Type the character the pointer is <strong>currently</strong> on.</li>\n</ul>\n\n<p>Given a string <code>word</code>, return the<strong> minimum</strong> number of seconds to type out the characters in <code>word</code>.</p>\n\n<p> </p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> word = "abc"\n<strong>Output:</strong> 5\n<strong>Explanation: \n</strong>The characters are printed as follows:\n- Type the character 'a' in 1 second since the pointer is initially on 'a'.\n- Move the pointer clockwise to 'b' in 1 second.\n- Type the character 'b' in 1 second.\n- Move the pointer clockwise to 'c' in 1 second.\n- Type the character 'c' in 1 second.\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> word = "bza"\n<strong>Output:</strong> 7\n<strong>Explanation:\n</strong>The characters are printed as follows:\n- Move the pointer clockwise to 'b' in 1 second.\n- Type the character 'b' in 1 second.\n- Move the pointer counterclockwise to 'z' in 2 seconds.\n- Type the character 'z' in 1 second.\n- Move the pointer clockwise to 'a' in 1 second.\n- Type the character 'a' in 1 second.\n</pre>\n\n<p><strong>Example 3:</strong></p>\n\n<pre>\n<strong>Input:</strong> word = "zjpc"\n<strong>Output:</strong> 34\n<strong>Explanation:</strong>\nThe characters are printed as follows:\n- Move the pointer counterclockwise to 'z' in 1 second.\n- Type the character 'z' in 1 second.\n- Move the pointer clockwise to 'j' in 10 seconds.\n- Type the character 'j' in 1 second.\n- Move the pointer clockwise to 'p' in 6 seconds.\n- Type the character 'p' in 1 second.\n- Move the pointer counterclockwise to 'c' in 13 seconds.\n- Type the character 'c' in 1 second.\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 <= word.length <= 100</code></li>\n\t<li><code>word</code> consists of lowercase English letters.</li>\n</ul>\n",
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"difficulty": "Easy",
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"exampleTestcases": "\"abc\"\n\"bza\"\n\"zjpc\"",
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"code": "-spec min_time_to_type(Word :: unicode:unicode_binary()) -> integer().\nmin_time_to_type(Word) ->\n .",
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"There are only two possible directions you can go when you move to the next letter.",
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"When moving to the next letter, you will always go in the direction that takes the least amount of time."
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],
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