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28. Implement strStr()
1. 问题描述 Implement strStr().Returns the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack.Tags:Two Pointers ...
分类:其他好文   时间:2016-08-07 00:49:04    阅读次数:125
Populating Next Right Pointers in Each Node
Given a binary tree Populate each next pointer to point to its next right node. If there is no next right node, the next pointer should be set to NULL ...
分类:其他好文   时间:2016-08-03 06:40:12    阅读次数:168
多校2016 1004 HDU5784 统计锐角三角形数目
http://acm.hdu.edu.cn/showproblem.php?pid=5784 题意:n个点,找多少个锐角三角形数目 思路:极角排序+two pointers 当前选择的点集要倍增一倍,点集过大时,极角排序后,后面的点有可能和前面的点形成钝角 ans=总的三角形数目 - 三点共线的情况 ...
分类:其他好文   时间:2016-08-02 23:51:30    阅读次数:253
Populating Next Right Pointers in Each Node
这题代码简单,不过不容易想到。 void connect(TreeLinkNode *root) { if (root == nullptr ||root->left==nullptr)return; root->left->next = root->right; //关键 if (root->ne ...
分类:其他好文   时间:2016-07-09 17:52:20    阅读次数:133
167. Two Sum II - Input array is sorted
其实我不知道这道题的point是什么………… 两种方法,hashmap/ two pointers HashMap Two pointers ...
分类:其他好文   时间:2016-06-30 06:30:06    阅读次数:195
LeetCode "Plus One Linked List"
I use a stack. Of course you can simply trace nodes with 9s - https://leetcode.com/discuss/111127/iterative-two-pointers-with-dummy-node-java-o-n-time ...
分类:其他好文   时间:2016-06-30 06:22:59    阅读次数:117
【Leetcode】92. Reverse Linked List II && 206. Reverse Linked List
The task is reversing a list in range m to n(92) or a whole list(206). All in one : U need three pointers to achieve this goal. 1) Pointer to last val ...
分类:其他好文   时间:2016-06-28 18:40:09    阅读次数:180
C++软件添加dump调试打印日志
#include <DbgHelp.h> #pragma comment(lib, "dbghelp.lib") LONG WINAPI TopLevelExceptionFilter(struct _EXCEPTION_POINTERS *pExceptionInfo) { //cout << " ...
分类:编程语言   时间:2016-06-28 07:04:59    阅读次数:263
116. Populating Next Right Pointers in Each Node java solutions
Given a binary tree Populate each next pointer to point to its next right node. If there is no next right node, the next pointer should be set to NULL ...
分类:编程语言   时间:2016-06-25 19:02:56    阅读次数:151
Objective-C 中的NSValue的详解
一个NSValue对象是用来存储一个C或者Objective-C数据的简单容器。它可以保存任意类型的数据,比如int,float,char,当然也可以是指pointers, structures, and object ids。NSValue类的目标就是允许以上数据类型的数据结构能够被添加到集合里, ...
分类:其他好文   时间:2016-06-17 12:29:25    阅读次数:173
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