leetcode-problemset/leetcode-cn/problem (English)/数对和(English) [pairs-with-sum-lcci].html

<p>Design an algorithm to find all pairs of integers within an array which sum to a specified value.</p>

<p><strong>Example 1:</strong></p>

<pre>
<strong>Input:</strong> nums = [5,6,5], target = 11
<strong>Output: </strong>[[5,6]]</pre>

<p><strong>Example 2:</strong></p>

<pre>
<strong>Input:</strong> nums = [5,6,5,6], target = 11
<strong>Output: </strong>[[5,6],[5,6]]</pre>

<p><strong>Note: </strong></p>

<ul>
	<li><code>nums.length &lt;= 100000</code></li>
</ul>