Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.For example,"A man, a plan, a canal: Pana...
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其他好文 时间:
2014-08-14 00:59:37
阅读次数:
195
Description
Problem G - Great Numbers
In this problem you have to count the number of great numbers of length n. Here a great number must have the following property:
the number must be divis...
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其他好文 时间:
2014-08-13 22:35:27
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219
文能深情寻萝莉,武能仗义护人妻[问题描述]Given an array of integers, find two numbers such that they add up to a specific target number.The function twoSum should return ...
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其他好文 时间:
2014-08-13 14:51:56
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228
------------------------------------------------------------以此题警告自己:总结,1.在数组的使用时,一定别忘了初始化2.在两种情况复制代码时,一定要小心,注意修改变量名,一不留神就会带来不可估量的后果,一定要仔细挨着一个一个变量的修改,别...
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其他好文 时间:
2014-08-13 13:00:56
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187
Given a string s, partition s such that every substring of the partition is a palindrome.Return the minimum cuts needed for a palindrome partitioning ...
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其他好文 时间:
2014-08-13 12:45:46
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166
A message containing letters from A-Z is being encoded to numbers using the following mapping:'A' -> 1'B' -> 2...'Z' -> 26Given an encoded message con...
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其他好文 时间:
2014-08-13 12:38:26
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225
Given a string s, partition s such that every substring of the partition is a palindrome.Return all possible palindrome partitioning of s.For example,...
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其他好文 时间:
2014-08-13 12:23:16
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237
Problem Description
Let's play a card game called Gap.
You have 28 cards labeled with two-digit numbers. The first digit (from 1 to 4) represents the suit of the card, and the second digit (from 1 ...
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其他好文 时间:
2014-08-12 10:24:14
阅读次数:
379
题意 所有只能被2,3,5,7这4个素数整除的数称为Humble Number 输入n 输出第n个Humble Number
1是第一个humble number 对于一个Humble Number a 有2*a,3*a,5*a,7*a都是Humble Number 可以以1为基数 依次展开即可得到一定范围内的Humble Number 用i,j,k,l分别记录 2,3,5,7分别乘到了第几个Humble Number 当前在计算第cnt个Humble Number 那么有 hum[c...
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其他好文 时间:
2014-08-12 10:20:23
阅读次数:
202
Given a collection of numbers that might contain duplicates, return all possible unique permutations.For example, [1,1,2] have the following unique pe...
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其他好文 时间:
2014-08-12 10:17:03
阅读次数:
142