素履之往

摘要： Problem Definition: Given an array of integers and an integer k, find out whether there there are two distinct indices i and j in the array such tha... 阅读全文

摘要： Problem Definition: Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at ... 阅读全文

摘要： Problem Definition:Find the total area covered by two rectilinear rectangles in a 2D plane.Each rectangle is defined by its bottom left corner and top... 阅读全文