摘要：
Given a picture consisting of black and white pixels, and a positive integer N, find the number of black pixels located at some specific row Rand colu 阅读全文
摘要：
Given a picture consisting of black and white pixels, find the number of black lonely pixels. The picture is represented by a 2D char array consisting 阅读全文
摘要：
In LLP world, there is a hero called Teemo and his attacking can make his enemy Ashe be in poisoned condition. Now, given the Teemo's attacking ascend 阅读全文
摘要：
Assume you have an array of length n initialized with all 0's and are given k update operations. Each operation is represented as a triplet: [startInd 阅读全文
摘要：
Given a binary array, find the maximum number of consecutive 1s in this array if you can flip at most one 0. Example 1: Note: The input array will onl 阅读全文