【This means that only a small number of nodes must be read from disk to retrieve an item.】的更多相关文章

This means that only a small number of nodes must be read from disk to retrieve an item.

http://cis.stvincent.edu/html/tutorials/swd/btree/btree.html Introduction A B-tree is a specialized multiway tree designed especially for use on disk. In a B-tree each node may contain a large number of keys. The number of subtrees of each node, then…

[Algo] 646. Store Number Of Nodes In Left Subtree

Given a binary tree, count the number of nodes in each node’s left subtree, and store it in the numNodesLeft field. Examples 
 1(6) /          \ 2(3)        3(0) /      \ 4(1)     5(0) /        \        \ 6(0)     7(0)   8(0) The numNodesLeft is show…

Given a linked list, reverse the nodes of a linked list k at a time and return its modified list. If the number of nodes is not a multiple of k then left-out nodes in the end should remain as it is.

我用String代替了链表显示,本题的大意是每k个进行逆序处理,剩下的不够k个的就按照原顺序保留下来. public class ReverseNodes { public static void main(String[] args) { String str = "1->2->3->4->5->6->7->8->9->10->11->12->13->14->15"; String[] strArra…

[LeetCode] Third Maximum Number 第三大的数

Given a non-empty array of integers, return the third maximum number in this array. If it does not exist, return the maximum number. The time complexity must be in O(n). Example 1: Input: [3, 2, 1] Output: 1 Explanation: The third maximum is 1. Examp…

LeetCode 414 Third Maximum Number

Problem: Given a non-empty array of integers, return the third maximum number in this array. If it does not exist, return the maximum number. The time complexity must be in O(n). Example 1: Input: [3, 2, 1] Output: 1 Explanation: The third maximum is…

hdu 5611 Baby Ming and phone number（模拟）

Problem Description Baby Ming collected lots of cell phone numbers, and he wants to sell them for money. He thinks normal number can be sold for b yuan, while number with following features can be sold for a yuan. .The last five numbers are the same.…

LeetCode 414. Third Maximum Number （第三大的数）

Given a non-empty array of integers, return the third maximum number in this array. If it does not exist, return the maximum number. The time complexity must be in O(n). Example 1: Input: [3, 2, 1] Output: 1 Explanation: The third maximum is 1. Examp…

[Swift]LeetCode414. 第三大的数 | Third Maximum Number

Given a non-empty array of integers, return the third maximum number in this array. If it does not exist, return the maximum number. The time complexity must be in O(n). Example 1: Input: [3, 2, 1] Output: 1 Explanation: The third maximum is 1. Examp…

Leetcode——Third Maximum Number

Question Given a non-empty array of integers, return the third maximum number in this array. If it does not exist, return the maximum number. The time complexity must be in O(n). Example 1: Input: [3, 2, 1] Output: 1 Explanation: The third maximum is…

414. Third Maximum Number数组中第三大的数字

［抄题］: Given a non-empty array of integers, return the third maximum number in this array. If it does not exist, return the maximum number. The time complexity must be in O(n). Example 1: Input: [3, 2, 1] Output: 1 Explanation: The third maximum is 1.…