摘要： 题目如下： (This problem is an interactive problem.) You may recall that an array A is a mountain array if and only if: A.length >= 3 There exists some i w 阅读全文

摘要： 题目如下： You are driving a vehicle that has capacity empty seats initially available for passengers. The vehicle only drives east (ie. it cannot turn aro 阅读全文

摘要： 题目如下： We sampled integers between 0 and 255, and stored the results in an array count: count[k] is the number of integers we sampled equal to k. Retur 阅读全文