摘要：http://www.lintcode.com/en/problem/maximum-average-subarray/ Given an array with positive and negative numbers, find the maximum average subarray whic 阅读全文

摘要：Given a target number, a non-negative integer k and an integer array A sorted in ascending order, find the k closest numbers to target in A, sorted in 阅读全文

摘要：Given a mountain sequence of n integers which increase firstly and then decrease, find the mountain top. Example Given nums = [1, 2, 4, 8, 6, 3] retur 阅读全文