百草园

摘要： Longest Increasing Continuous subsequence IIGive you an integer matrix (with row size n, column size m)，find the longest increasing continuous subsequ... 阅读全文

摘要： Maximum Subarray DifferenceGiven an array with integers.Find twonon-overlappingsubarrays A and B, which|SUM(A) - SUM(B)|is thelargest.Return the large... 阅读全文

摘要： Max Sum of Max-K-sub-sequenceProblem DescriptionGiven a circle sequence A[1],A[2],A[3]......A[n]. Circle sequence means the left neighbour of A[1] is ... 阅读全文

摘要： Count of Smaller Number before itselfGive you an integer array (index from 0 to n-1, where n is the size of this array, value from 0 to 10000) . For e... 阅读全文

摘要： Invert Binary TreeInvert a binary tree. 4 / \ 2 7 / \ / \1 3 6 9to 4 / \ 7 2 / \ / \9 6 3 1Trivia:This problem w... 阅读全文

摘要： Max TreeGiven an integer array with no duplicates. A max tree building on this array is defined as follow:The root is the maximum number in the arrayT... 阅读全文

摘要： Implement Stack using QueuesImplement the following operations of a stack using queues.push(x) -- Push element x onto stack.pop() -- Removes the eleme... 阅读全文

摘要： Maximum Subarray IIIGiven an array of integers and a numberk, find knon-overlappingsubarrays which have the largest sum.The number in each subarray sh... 阅读全文

摘要： Basic CalculatorImplement a basic calculator to evaluate a simple expression string.The expression string may contain open(and closing parentheses), t... 阅读全文

摘要： Rectangle AreaFind the total area covered by tworectilinearrectangles in a2Dplane.Each rectangle is defined by its bottom left corner and top right co... 阅读全文