原题链接在这里：https://leetcode.com/problems/missing-element-in-sorted-array/ 题目： Given a sorted array A ...

题目： An image is represented by a binary matrix with 0 as a white pixel and 1 as a black pixel. The ...

Given an integer array arr, remove a subarray (can be empty) from arr such that the remaining elemen ...

You are given a string containing only 4 kinds of characters 'Q', 'W', 'E' and 'R'. A string is sai ...

原题链接在这里：https://leetcode.com/problems/minimize-max-distance-to-gas-station/description/ 题目： On a h ...

如题，谷歌两轮背靠背电面。两轮都是废话不多说直奔coding，虽然第一轮的中国大哥还是花了一点点时间了解了一下我的背景、毕业时间、research方向。说好的research面呢？ 中国大哥出的题: ...

Binary Search基础 应用于已排序的数据查找其中特定值，是折半查找最常的应用场景。相比线性查找(Linear Search)，其时间复杂度减少到O(lgn)。算法基本框架如下： ...

原题链接在这里：https://leetcode.com/problems/koko-eating-bananas/ 题目： Koko loves to eat bananas. There a ...

题目： Given a binary search tree (BST), find the lowest common ancestor (LCA) of two given nodes in t ...

In universe Earth C-137, Rick discovered a special form of magnetic force between two balls if they ...