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Suppose I have the following User struct: struct User { string userId; UserType userType; // UserType is just an enumeration
What data structure should I use for a simple synchronized LIFO? I\'m using Android Java 1.6. The problem with Java collections is that there are millions开发者_如何学JAVA of slightly different classe
I have an assignment on optimal binary search trees and some questions came up while doing it. I have found many of the links online helpful (just from a Google search) but I was wondering...
We have an n-node bi开发者_JAVA百科nary heap which contains n distinct items (smallest item at the root). For a k<=n, find a O(klogk) time algorithm to select kth smallest element from the heap.
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Why is mergesort considered \"the way to go\" when sorting lists and not quicksort? I heard this in a lecture that I watched online, and saw it in a couple of w开发者_StackOverflow社区ebsites. One of
Interview Question: Propose a data structure that holds elements from 0 to n − 1 and supports all of the following operations in O(1) time: initialization, insertion of an element, deletion
I want to make a data structure for accessing strings by two ways: Access by ID Access by name My first idea is using two maps for each method but it leads 开发者_运维技巧to duplication of data:
I have seen array based implementations of static binary trees which do not waste memory for pointers and instead do operations on the current index to go to its parent or children. Is there any artic
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