Given a collection of numbers, return all
possible permutations.For example,[1,2,3]have the following
permutations:[1,2,3],[1,3,2],[2,1,3],[2,3,1],[3,...
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其他好文 时间:
2014-05-27 02:42:35
阅读次数:
202
分析:从最小面一层开始往上计算,设dp[i][j]是以第i层j个元素为起点的最小路径和,动态规划方程如下dp[i][j]
= value[i][j] + max{dp[i-1][j],
dp[i-1][j+1]}因为每一层之和它下一层的值有关,因此只需要一个一位数组保存下层的值,public int...
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其他好文 时间:
2014-05-24 05:56:35
阅读次数:
294
Given a linked list and a valuex, partition it
such that all nodes less thanxcome before nodes greater than or equal tox.You
should preserve the origi...
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其他好文 时间:
2014-05-24 04:59:06
阅读次数:
275
Given a string S, find the longest palindromic
substring in S. You may assume that the maximum length of S is 1000, and there
exists one unique longes...
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其他好文 时间:
2014-05-24 04:45:39
阅读次数:
245
The string "PAYPALISHIRING" is written in a
zigzag pattern on a given number of rows like this: (you may want to display
this pattern in a fixed font ...
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其他好文 时间:
2014-05-24 04:13:54
阅读次数:
284
题目链接Given a string, find the length of the
longest substring without repeating characters. For example, the longest
substring without repeating letter...
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其他好文 时间:
2014-05-24 02:15:57
阅读次数:
291
Reverse digits of an integer. Example1: x =
123, return 321 Example2: x = -123, return –321 这道题应该不用详细说了。比较简单。唯一的是要注意特殊值0.
public class Solution { publ...
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其他好文 时间:
2014-05-24 01:39:59
阅读次数:
170
create or replace package cux_bom_pub isPROCEDURE
bom_expand_to_temp( p_organization_id number, p_item_id VARCHAR2,
p_levels_to_explode NUMBE...
分类:
数据库 时间:
2014-05-24 01:23:34
阅读次数:
2026
题目:Given two binary trees, write a function to
check if they are equal or not.Two binary trees are considered equal if they are
structurally identical...
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其他好文 时间:
2014-05-23 12:40:21
阅读次数:
352
You are given two linked lists representing two
non-negative numbers. The digits are stored in reverse order and each of their
nodes contain a single ...
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其他好文 时间:
2014-05-19 12:05:23
阅读次数:
386