LeetCode 116.populating-next-right-pointers-in-each-node
题意给定一个完美二叉树,其所有叶子节点都在同一层,每个父节点都有两个子节点。二叉树定义如下:structNode{intval;Node*left;Node*right;Node*next;}填充它的每个next指针,让这个指针指向其下一个右侧节点。如果找不到下一个右侧节点,则将next指针设置为N...
19.Remove Nth Node From End of List(List; Two-Pointers)
Givenalinkedlist,removethe nth nodefromtheendoflistandreturnitshead.Forexample,Givenlinkedlist:1->2->3->4->5,andn=2.Afterremovingthesecond...
转:Hide data inside pointers(在指针中隐藏数据)
该文介绍了如何使用指针中一些未使用的位来隐藏一些数据。WhenwewriteCcode,pointersareeverywhere.Wecanmakealittleextrauseofpointersandsneakinsomeextrainformationinthem.Topullthistri...
[Leetcode][JAVA] Populating Next Right Pointers in Each Node II
Followupforproblem"PopulatingNextRightPointersinEachNode".Whatifthegiventreecouldbeanybinarytree?Wouldyourprevioussolutionstillwork?Note:Youmayonlyuse...
《Pointers On C》读书笔记(第三章 数据)
1.在C语言中,仅有4种基本数据类型:整型、浮点型、指针和聚合类型(如数组和结构等)。整型家族包括字符、短整型、整型和长整型,它们都分为有符号和无符号两种。标准规定整型值相互之间大小的规则:长整型至少应该和整型一样长,而整型至少应该和短整型一样长。ANSI标准规定了各种整型值的最小允许范围,如下表所...
[LeetCode]题解(python):116-Populating Next Right Pointers in Each Node
题目来源:https://leetcode.com/problems/populating-next-right-pointers-in-each-node/ 题意分析:给定一个二叉完全树,将同一层的节点连起来,其中最后一个节点连接到NULL。如1/\23/\/\4567得到:1->NULL/...
POJ 3061 Subsequence(Two Pointers)
【题目链接】 http://poj.org/problem?id=3061【题目大意】给出S和一个长度为n的数列,问最短大于等于S的子区间的长度。【题解】利用双指针获取每一个恰好大于等于S的子区间,更新答案即可。【代码】#include<cstdio>intT,a[100005];int...
116. Populating Next Right Pointers in Each Node
GivenabinarytreestructTreeLinkNode{TreeLinkNode*left;TreeLinkNode*right;TreeLinkNode*next;}Populateeachnextpointertopointtoitsnextrightnode.Ifthereisn...
POJ 3579 Median(二分答案+Two pointers)
【题目链接】 http://poj.org/problem?id=3579【题目大意】给出一个数列,求两两差值绝对值的中位数。【题解】因为如果直接计算中位数的话,数量过于庞大,难以有效计算,所以考虑二分答案,对于假定的数据,判断是否能成为中位数此外还要使得答案尽可能小,因为最小的满足是中位数的答案,...
LeetCode-Microsoft-Populating Next Right Pointers in Each Node
GivenabinarytreestructTreeLinkNode{TreeLinkNode*left;TreeLinkNode*right;TreeLinkNode*next;}Populateeachnextpointertopointtoitsnextrightnode.Ifthereisn...
Smart pointers in doubly linked list
I'mtryingtoimplementsmartpointersindoublylinkedlist(universitytask).BeforethatI'vedonethesametaskinpureCwithrawpointers.TheproblemiswhenIaddnewNodetoL...
A pointer to an array of pointers to array of ints
A pointer to an array of pointers to array of intsa function returning an array of pointers to array of floats请问怎么用C语言描述?6个解决方案#1第一个:int *((*x)[10])[1...