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题目链接:https://leetcode.com/problems/linked-list-cycle-ii/
题意:
对于一个链表,判断其是否有环,有环则返回环的起始位置。
思路:
通过141题,我们知道可以通过快慢指针来判断是...
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其他好文 时间:
2015-09-07 22:56:58
阅读次数:
380
Higher order Array functions such as filter, map and reduce are great for functional programming, but they can incur performance problems.var ary = [1...
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Web程序 时间:
2015-09-07 19:31:19
阅读次数:
256
【题目】LeetCode(5): Longest Palindromic SubstringURL: https://leetcode.com/problems/longest-palindromic-substring/【描述】Given a stringS, find the longest p...
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其他好文 时间:
2015-09-07 07:02:02
阅读次数:
339
1、题目名称 Count Primes(统计质数数量) 2、题目地址 https://leetcode.com/problems/count-primes/ 3、题目内容 英文:Count the number of prime numbers less than a non-negative number, n. 中文:统计正...
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其他好文 时间:
2015-09-07 00:43:16
阅读次数:
202
https://leetcode.com/problems/h-index/class Solution {public: int hIndex(vector& citations) { priority_queue pq; for(int i=0;i= pages...
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其他好文 时间:
2015-09-06 16:00:19
阅读次数:
152
?Don’t Be a Problem SolverEben HewittWiTH SoME ExCEpTionS, ARCHiTECTS uSEd To BE dEvElopERS. Devel- opers get rewarded for solving programming problems, which are more local in scope than architectural...
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其他好文 时间:
2015-09-06 09:53:57
阅读次数:
196
sort list:https://leetcode.com/problems/sort-list/ 数组的排序比较相对于链表的,还是比较容易的。链表的排序,有一个最麻烦的地方就是,无法通过下标来访问节点,所以操作起来就没有数组那么方便。 链表排序,拿到这题,第一个想到的是快排。快排的思路和...
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其他好文 时间:
2015-09-05 14:56:39
阅读次数:
226
【题目】LeetCode(2): Add Two NumbersURL: https://leetcode.com/problems/add-two-numbers/【描述】You are given two linked lists representing two non-negative nu...
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其他好文 时间:
2015-09-05 11:01:17
阅读次数:
240
?Stable Problems Get High-Quality SolutionsSam GardinerREAl-WoRld pRogRAMMing is not about solving the problem that someone gives to you. In the computer science classroom, you must solve the binary- s...
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其他好文 时间:
2015-09-04 08:45:39
阅读次数:
145
https://leetcode.com/problems/binary-tree-right-side-view//** * Definition for a binary tree node. * struct TreeNode { * int val; * TreeNode *...
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其他好文 时间:
2015-09-04 07:13:21
阅读次数:
182