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leetcode-problemset/leetcode-cn/problem (Chinese)/统计结果概率 [nge-tou-zi-de-dian-shu-lcof].html

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2023-12-09 18:53:53 +08:00
<p>你选择掷出 <code>num</code> 个色子,请返回所有点数总和的概率。</p>
<p>你需要用一个浮点数数组返回答案,其中第 <code>i</code> 个元素代表这 <code>num</code> 个骰子所能掷出的点数集合中第 <code>i</code> 小的那个的概率。</p>
<p>&nbsp;</p>
<p><strong>示例 1</strong></p>
<pre>
<strong>输入:</strong>num = 3
<strong>输出:</strong>[0.00463,0.01389,0.02778,0.04630,0.06944,0.09722,0.11574,0.12500,0.12500,0.11574,0.09722,0.06944,0.04630,0.02778,0.01389,0.00463]
</pre>
<p><strong>示例&nbsp;2</strong></p>
<pre>
<strong>输入:</strong>num = 5
<strong>输出:</strong>[0.00013,0.00064,0.00193,0.00450,0.00900,0.01620,0.02636,0.03922,0.05401,0.06944,0.08372,0.09452,0.10031,0.10031,0.09452,0.08372,0.06944,0.05401,0.03922,0.02636,0.01620,0.00900,0.00450,0.00193,0.00064,0.00013]
</pre>
<p>&nbsp;</p>
<p><strong>提示:</strong></p>
<ul>
<li><code>1 &lt;= num &lt;= 11</code></li>
</ul>
<p>&nbsp;</p>