mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
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179 lines
16 KiB
JSON
179 lines
16 KiB
JSON
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"content": "<p>You are given an integer array <code>nums</code> of <strong>even</strong> length. You have to split the array into two parts <code>nums1</code> and <code>nums2</code> such that:</p>\n\n<ul>\n\t<li><code>nums1.length == nums2.length == nums.length / 2</code>.</li>\n\t<li><code>nums1</code> should contain <strong>distinct </strong>elements.</li>\n\t<li><code>nums2</code> should also contain <strong>distinct</strong> elements.</li>\n</ul>\n\n<p>Return <code>true</code><em> if it is possible to split the array, and </em><code>false</code> <em>otherwise</em><em>.</em></p>\n\n<p> </p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> nums = [1,1,2,2,3,4]\n<strong>Output:</strong> true\n<strong>Explanation:</strong> One of the possible ways to split nums is nums1 = [1,2,3] and nums2 = [1,2,4].\n</pre>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> nums = [1,1,1,1]\n<strong>Output:</strong> false\n<strong>Explanation:</strong> The only possible way to split nums is nums1 = [1,1] and nums2 = [1,1]. Both nums1 and nums2 do not contain distinct elements. Therefore, we return false.\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 <= nums.length <= 100</code></li>\n\t<li><code>nums.length % 2 == 0 </code></li>\n\t<li><code>1 <= nums[i] <= 100</code></li>\n</ul>\n",
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"It’s impossible if the same number occurs more than twice. So just check the frequency of each value."
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