2018-10-10 18:03:03 -04:00
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---
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id: 5900f4551000cf542c50ff67
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challengeType: 5
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title: 'Problem 232: The Race'
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videoUrl: ''
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localeTitle: 问题232：比赛
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---
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## Description
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<section id="description">两名玩家分享一个无偏见的硬币并轮流玩“The Race”。在玩家1的回合中，他扔了一次硬币：如果它出现在Heads，他得分为1分;如果它出现Tails，他什么都没得分。在玩家2的回合中，她选择一个正整数T并将硬币投掷T次：如果它出现在所有的头上，她得到2T-1分;否则，她没有得分。玩家1排在第一位。获胜者是第一个达到100分或更多分。 <p>在每次转弯时，玩家2选择硬币投掷的数量T，以最大化她获胜的概率。 </p><p>玩家2获胜的概率是多少？ </p><p>将您的答案四舍五入到0.abcdefgh形式的八位小数。 </p></section>
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## Instructions
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<section id="instructions">
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</section>
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## Tests
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<section id='tests'>
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```yml
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tests:
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- text: <code>euler232()</code>应返回0.83648556。
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2020-02-18 01:40:55 +09:00
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testString: assert.strictEqual(euler232(), 0.83648556);
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2018-10-10 18:03:03 -04:00
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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<div id='js-seed'>
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```js
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function euler232() {
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// Good luck!
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return true;
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}
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euler232();
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```
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</div>
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</section>
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## Solution
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<section id='solution'>
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```js
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// solution required
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```
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2020-08-13 17:24:35 +02:00
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/section>
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