1
0
mirror of https://gitee.com/coder-xiaomo/leetcode-problemset synced 2025-01-10 18:48:13 +08:00
Code Issues Projects Releases Wiki Activity GitHub Gitee
leetcode-problemset/leetcode-cn/problem (Chinese)/字符串相加 [add-strings].html
2022-03-29 12:43:11 +08:00

39 lines
1.0 KiB
HTML
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<p>给定两个字符串形式的非负整数&nbsp;<code>num1</code><code>num2</code>&nbsp;,计算它们的和并同样以字符串形式返回。</p>
<p>你不能使用任何內建的用于处理大整数的库(比如 <code>BigInteger</code>&nbsp;也不能直接将输入的字符串转换为整数形式。</p>
<p>&nbsp;</p>
<p><strong>示例 1</strong></p>
<pre>
<strong>输入:</strong>num1 = "11", num2 = "123"
<strong>输出:</strong>"134"
</pre>
<p><strong>示例 2</strong></p>
<pre>
<strong>输入:</strong>num1 = "456", num2 = "77"
<strong>输出:</strong>"533"
</pre>
<p><strong>示例 3</strong></p>
<pre>
<strong>输入:</strong>num1 = "0", num2 = "0"
<strong>输出:</strong>"0"
</pre>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p><strong>提示:</strong></p>
<ul>
<li><code>1 &lt;= num1.length, num2.length &lt;= 10<sup>4</sup></code></li>
<li><code>num1</code><code>num2</code> 都只包含数字&nbsp;<code>0-9</code></li>
<li><code>num1</code><code>num2</code> 都不包含任何前导零</li>
</ul>