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月度归档: 2024 年 9 月

1 篇文章

刷穿力扣(Hot100)
1. 两数之和 哈希表 遍历数组,同时用 HashMap 维护已出现过的数及其下标 若当前的数 nums[i] 满足 target - nums[i] 曾经出现过,则直接返回 否则将其加入到哈希表中。 class Solution { public int[] twoSum(int[] nums, …

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