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https://gitee.com/coder-xiaomo/leetcode-problemset
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184 lines
16 KiB
JSON
184 lines
16 KiB
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"title": "Reveal Cards In Increasing Order",
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"content": "<p>You are given an integer array <code>deck</code>. There is a deck of cards where every card has a unique integer. The integer on the <code>i<sup>th</sup></code> card is <code>deck[i]</code>.</p>\n\n<p>You can order the deck in any order you want. Initially, all the cards start face down (unrevealed) in one deck.</p>\n\n<p>You will do the following steps repeatedly until all cards are revealed:</p>\n\n<ol>\n\t<li>Take the top card of the deck, reveal it, and take it out of the deck.</li>\n\t<li>If there are still cards in the deck then put the next top card of the deck at the bottom of the deck.</li>\n\t<li>If there are still unrevealed cards, go back to step 1. Otherwise, stop.</li>\n</ol>\n\n<p>Return <em>an ordering of the deck that would reveal the cards in increasing order</em>.</p>\n\n<p><strong>Note</strong> that the first entry in the answer is considered to be the top of the deck.</p>\n\n<p> </p>\n<p><strong>Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> deck = [17,13,11,2,3,5,7]\n<strong>Output:</strong> [2,13,3,11,5,17,7]\n<strong>Explanation:</strong> \nWe get the deck in the order [17,13,11,2,3,5,7] (this order does not matter), and reorder it.\nAfter reordering, the deck starts as [2,13,3,11,5,17,7], where 2 is the top of the deck.\nWe reveal 2, and move 13 to the bottom. The deck is now [3,11,5,17,7,13].\nWe reveal 3, and move 11 to the bottom. The deck is now [5,17,7,13,11].\nWe reveal 5, and move 17 to the bottom. The deck is now [7,13,11,17].\nWe reveal 7, and move 13 to the bottom. The deck is now [11,17,13].\nWe reveal 11, and move 17 to the bottom. The deck is now [13,17].\nWe reveal 13, and move 17 to the bottom. The deck is now [17].\nWe reveal 17.\nSince all the cards revealed are in increasing order, the answer is correct.\n</pre>\n\n<p><strong>Example 2:</strong></p>\n\n<pre>\n<strong>Input:</strong> deck = [1,1000]\n<strong>Output:</strong> [1,1000]\n</pre>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 <= deck.length <= 1000</code></li>\n\t<li><code>1 <= deck[i] <= 10<sup>6</sup></code></li>\n\t<li>All the values of <code>deck</code> are <strong>unique</strong>.</li>\n</ul>\n",
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