Blackzxy - 博客园

LeetCode 16. 3Sum Closest 双指针+排序

摘要： Given an integer array `nums` of length n and an integer `target`, find three integers in nums such that the sum is closest to `target`. Return the su 阅读全文

posted @ 2023-08-08 17:18 Blackzxy 阅读(6) 评论(0) 推荐(0) 编辑

LeetCode 239. Sliding Window Maximum 单调队列

摘要： You are given an array of integers `nums`, there is a sliding window of size `k` which is moving from the very left of the array to the very right. Yo 阅读全文

posted @ 2023-07-28 21:17 Blackzxy 阅读(6) 评论(0) 推荐(0) 编辑

LeetCode 438. Find All Anagrams in a String 滑动窗口

摘要： Given two strings `s` and `p`, return an array of all the start indices of `p`'s anagrams in s. You may return the answer in any order. An Anagram is 阅读全文

posted @ 2023-07-23 22:31 Blackzxy 阅读(3) 评论(0) 推荐(0) 编辑

LeetCode 3. Longest Substring Without Repeating Characters 滑动窗口

摘要： Given a string `s`, find the length of the longest substring without repeating characters. ## Solution 用一个

$dict$ 来映射字符的次数。然后用

$left$ ,

$right$ 来决定wind 阅读全文

posted @ 2023-07-22 23:51 Blackzxy 阅读(4) 评论(0) 推荐(0) 编辑

LeetCode 1201. Ugly Number III 数学+二分答案

摘要： An ugly number is a positive integer that is divisible by

$a$ ,

$b$ , or

$c$ . Given four integers

$n$ ,

$a$ ,

$b$ , and

$c$ , return the

$n$ th ugly number. 阅读全文

posted @ 2023-07-19 20:57 Blackzxy 阅读(4) 评论(0) 推荐(0) 编辑

LeetCode 875. Koko Eating Bananas 二分答案

摘要： Koko loves to eat bananas. There are

$n$ piles of bananas, the

$i$ th pile has

$piles[i]$ bananas. The guards have gone and will come back in `h` hours 阅读全文

posted @ 2023-07-19 19:43 Blackzxy 阅读(6) 评论(0) 推荐(0) 编辑

posted @ 2023-07-16 23:15 Blackzxy 阅读(5) 评论(0) 推荐(0) 编辑

LeetCode 658. Find K Closest Elements 二分+双指针

摘要： Given a sorted integer array `arr`, two integers `k` and `x`, return the `k` closest integers to `x` in the array. The result should also be sorted in 阅读全文

posted @ 2023-07-15 22:45 Blackzxy 阅读(8) 评论(0) 推荐(0) 编辑

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