随机挑选一题试试手气。 问题描述： Given an unsorted array of integers, find the length of the longest consecutive elements sequence. For example, Given [100, 4, 200, ...
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其他好文 时间：
2014-07-24 21:55:32
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232
Given an unsorted array of integers, find the length of the longest consecutive elements sequence.For example, Given [100, 4, 200, 1, 3, 2], The lo...
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其他好文 时间：
2014-07-24 00:49:07
阅读次数：
200
MatrixTime Limit:3000MSMemory Limit:65536KTotal Submissions:17976Accepted:6737DescriptionGiven an N*N matrix A, whose elements are either 0 or 1. A[i,...
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其他好文 时间：
2014-07-23 14:47:26
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265
题目： Given an array S of n integers, are there elements a, b, c in S such that a + b + c = 0? Find all unique triplets in the array which gives the sum...
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编程语言 时间：
2014-07-22 22:47:16
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252
Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST.题解：开始想到的方法比较偷懒，直接遍历一遍数组，把每个ListNode对应的值放到...
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其他好文 时间：
2014-07-22 22:45:13
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271
题目：Given an array S of n integers, are there elements a, b, c, and d in S such that a + b + c + d = target? Find all unique quadruplets in the array w...
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编程语言 时间：
2014-07-22 22:41:14
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396
Remove ElementGiven an array and a value, remove all instances of that value in place and return the new length.The order of elements can be changed. ...
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其他好文 时间：
2014-07-22 00:01:37
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221
1.Given an array where elements are sorted in ascending order, convert it to a height balanced BST.
2.Given a singly linked list where elements are sorted in ascending order, convert it to a heig...
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其他好文 时间：
2014-07-21 23:45:53
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264
var?Map?=?function()?{
?this.elements?=?new?Array();
?this.size?=?function()?{
??return?this.elements.length;
?}
?this.isEmpty?=?function()?{
??return?(this.elements.length?...
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编程语言 时间：
2014-07-21 23:30:03
阅读次数：
275
Distinct Subsequences
A subsequence of a given sequence is just the given sequence with some elements (possibly none) left out. Formally, given a sequence X = x1x2…xm,
another sequence Z = z1...
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其他好文 时间：
2014-07-21 15:44:16
阅读次数：
244
