coder-xiaomo/leetcode-problemset
1
0
Fork 0
mirror of https://gitee.com/coder-xiaomo/leetcode-problemset synced 2025-09-12 02:41:42 +08:00
Code Issues Projects Releases Wiki Activity GitHub Gitee

update

Browse Source
This commit is contained in:
小墨
2023-12-09 18:53:53 +08:00
parent c9b1bf36a8
commit 9bc4722a45
349 changed files with 15897 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
leetcode-cn/problem (Chinese)/填充缺失值 [fill-missing-data].html Normal file
View File

@@ -0,0 +1,39 @@
<pre>
DataFrame <code>products</code>
+-------------+--------+
| Column Name | Type |
+-------------+--------+
| name | object |
| quantity | int |
| price | int |
+-------------+--------+
</pre>
<p>编写一个解决方案，在 <code>quantity</code> 列中将缺失的值填充为&nbsp;<code><strong>0</strong></code>。</p>
<p>返回结果如下示例所示。</p>
<p>&nbsp;</p>
<strong class="example">示例 1：</strong>
<pre>
<strong>输入：
</strong>+-----------------+----------+-------+
| name | quantity | price |
+-----------------+----------+-------+
| Wristwatch | 32 | 135 |
| WirelessEarbuds | None | 821 |
| GolfClubs | None | 9319 |
| Printer | 849 | 3051 |
+-----------------+----------+-------+
<strong>输出：
</strong>+-----------------+----------+-------+
| name | quantity | price |
+-----------------+----------+-------+
| Wristwatch | 32 | 135 |
| WirelessEarbuds | 0 | 821 |
| GolfClubs | 0 | 9319 |
| Printer | 849 | 3051 |
+-----------------+----------+-------+
<b>解释：</b>
Toaster 和 Headphones 的数量被填充为 0。</pre>