https://dmytros.blog/tags/hand-of-straights/ Recent content in Hand of Straights on Dmytro's Blog https://dmytros.blog/images/papermod-cover.png https://dmytros.blog/images/papermod-cover.png Hugo en Sat, 09 May 2026 09:16:39 +0300 https://dmytros.blog/posts/leetcode-150-hand-of-straights/ Sat, 09 May 2026 09:16:39 +0300 https://dmytros.blog/posts/leetcode-150-hand-of-straights/ <h3 id="the-problem">The problem</h3> <p>Alice has some number of cards, and she wants to rearrange the cards into groups so that each group is of size <code>groupSize</code> and consists of <code>groupSize</code> consecutive cards.</p> <p>Given an integer array <code>hand</code>, where <code>hand[i]</code> is the value written on the <code>ith</code> card, and an integer <code>groupSize</code>, return <code>true</code> if she can rearrange the cards, or <code>false</code> otherwise.</p> <p><strong>Example 1:</strong></p> <pre tabindex="0"><code>Input: hand = [1,2,3,6,2,3,4,7,8], groupSize = 3 Output: true Explanation: Alice&#39;s hand can be rearranged as [1,2,3], [2,3,4], [6,7,8] </code></pre><p><strong>Example 2:</strong></p>