mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
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188 lines
17 KiB
JSON
188 lines
17 KiB
JSON
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"questionId": "2274",
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"title": "Keep Multiplying Found Values by Two",
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"content": "<p>You are given an array of integers <code>nums</code>. You are also given an integer <code>original</code> which is the first number that needs to be searched for in <code>nums</code>.</p>\n\n<p>You then do the following steps:</p>\n\n<ol>\n\t<li>If <code>original</code> is found in <code>nums</code>, <strong>multiply</strong> it by two (i.e., set <code>original = 2 * original</code>).</li>\n\t<li>Otherwise, <strong>stop</strong> the process.</li>\n\t<li><strong>Repeat</strong> this process with the new number as long as you keep finding the number.</li>\n</ol>\n\n<p>Return <em>the <strong>final</strong> value of </em><code>original</code>.</p>\n\n<p> </p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> nums = [5,3,6,1,12], original = 3\n<strong>Output:</strong> 24\n<strong>Explanation:</strong> \n- 3 is found in nums. 3 is multiplied by 2 to obtain 6.\n- 6 is found in nums. 6 is multiplied by 2 to obtain 12.\n- 12 is found in nums. 12 is multiplied by 2 to obtain 24.\n- 24 is not found in nums. Thus, 24 is returned.\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> nums = [2,7,9], original = 4\n<strong>Output:</strong> 4\n<strong>Explanation:</strong>\n- 4 is not found in nums. Thus, 4 is returned.\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 <= nums.length <= 1000</code></li>\n\t<li><code>1 <= nums[i], original <= 1000</code></li>\n</ul>\n",
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"code": "# @param {Integer[]} nums\n# @param {Integer} original\n# @return {Integer}\ndef find_final_value(nums, original)\n \nend",
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"code": "-spec find_final_value(Nums :: [integer()], Original :: integer()) -> integer().\nfind_final_value(Nums, Original) ->\n .",
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"hints": [
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"Repeatedly iterate through the array and check if the current value of original is in the array.",
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"If original is not found, stop and return its current value.",
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"Otherwise, multiply original by 2 and repeat the process.",
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"Use set data structure to check the existence faster."
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],
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"solution": null,
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"sampleTestCase": "[5,3,6,1,12]\n3",
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