Valid PalindromeGiven a string, determine if it
is a palindrome, considering only alphanumeric characters and ignoring cases.For
example,"A man, a pla...
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其他好文 时间:
2014-05-12 16:27:07
阅读次数:
332
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 longest ...
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其他好文 时间:
2014-05-10 20:06:26
阅读次数:
404
LeetCode OJGiven an array withnobjects colored
red, white or blue, sort them so that objects of the same color are adjacent,
with the colors in the or...
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其他好文 时间:
2014-05-02 17:37:37
阅读次数:
468
SubsetsGiven a set of distinct integers,S,
return all possible subsets.Note:Elements in a subset must be in non-descending
order.The solution set must...
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其他好文 时间:
2014-05-02 16:39:15
阅读次数:
315
这道题,采用动态规划算法。from top to
down,把到每个节点的最小路径和都求出来。下面是AC代码: 1 /** 2 * Given a triangle, find the minimum path
sum from top to bottom. 3 * Each ...
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其他好文 时间:
2014-05-02 12:19:23
阅读次数:
382
Write an efficient algorithm that searches for
a value in anmxnmatrix. This matrix has the following properties:Integers in
each row are sorted from l...
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其他好文 时间:
2014-05-02 10:41:53
阅读次数:
267
Given a sorted array and a target value, return
the index if the target is found. If not, return the index where it would be if
it were inserted in or...
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其他好文 时间:
2014-05-02 09:54:11
阅读次数:
269
少数次通过 1 public class Solution { 2 public int[]
plusOne(int[] digits) { 3 int[] carry=new int[digits.length+1]; 4 int[]
results=new i...
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其他好文 时间:
2014-05-02 08:23:11
阅读次数:
271
许多次通过,主要是没有考虑到这种情况:“A C ”结尾有多重空格的情况。 1 public class
Solution { 2 public int lengthOfLastWord(String s) { 3 int j, k; 4 if(s == nu...
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其他好文 时间:
2014-05-02 08:21:00
阅读次数:
300
leetcode, Jump Game , 递推求解...
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其他好文 时间:
2014-05-02 05:10:22
阅读次数:
181