Two Sum(python)

最新推荐文章于 2023-02-06 10:00:13 发布
原创 最新推荐文章于 2023-02-06 10:00:13 发布 · 412 阅读 · 0 ·
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本文探讨了如何通过使用哈希表解决经典的两数之和问题。给定一个整数数组及目标值，找到数组中两个数的下标，使它们相加等于目标值。文章提供了详细的解决方案并附带实例说明。

Given an array of integers, return indices of the two numbers such that they add up to a specific target.

You may assume that each input would have exactly one solution.

Example:

Given nums = [2, 7, 11, 15], target = 9,

Because nums[0] + nums[1] = 2 + 7 = 9,
return [0, 1].


采用hashtable 将数值即为key value为index 将target-num[index]作为搜索条件。


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