mirror of
https://gitee.com/coder-xiaomo/leetcode-problemset
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160 lines
17 KiB
JSON
160 lines
17 KiB
JSON
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"title": "Stone Removal Game",
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"content": "<p>Alice and Bob are playing a game where they take turns removing stones from a pile, with <em>Alice going first</em>.</p>\n\n<ul>\n\t<li>Alice starts by removing <strong>exactly</strong> 10 stones on her first turn.</li>\n\t<li>For each subsequent turn, each player removes <strong>exactly</strong> 1 fewer<strong> </strong>stone<strong> </strong>than the previous opponent.</li>\n</ul>\n\n<p>The player who cannot make a move loses the game.</p>\n\n<p>Given a positive integer <code>n</code>, return <code>true</code> if Alice wins the game and <code>false</code> otherwise.</p>\n\n<p> </p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<div class=\"example-block\">\n<p><strong>Input:</strong> <span class=\"example-io\">n = 12</span></p>\n\n<p><strong>Output:</strong> <span class=\"example-io\">true</span></p>\n\n<p><strong>Explanation:</strong></p>\n\n<ul>\n\t<li>Alice removes 10 stones on her first turn, leaving 2 stones for Bob.</li>\n\t<li>Bob cannot remove 9 stones, so Alice wins.</li>\n</ul>\n</div>\n\n<p><strong class=\"example\">Example 2:</strong></p>\n\n<div class=\"example-block\">\n<p><strong>Input:</strong> <span class=\"example-io\">n = 1</span></p>\n\n<p><strong>Output:</strong> <span class=\"example-io\">false</span></p>\n\n<p><strong>Explanation:</strong></p>\n\n<ul>\n\t<li>Alice cannot remove 10 stones, so Alice loses.</li>\n</ul>\n</div>\n\n<p> </p>\n<p><strong>Constraints:</strong></p>\n\n<ul>\n\t<li><code>1 <= n <= 50</code></li>\n</ul>\n",
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"The constraints are small enough that a brute-force solution is feasible."
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