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Problem Valid Palindrome
Problem Description:Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.For example,"A man, a...
分类:其他好文   时间:2014-07-07 16:03:32    阅读次数:168
PIG中的null问题
在比较操作(==,!=,>,=,<=),matches,算数操作(+,-,*,/ ,包含%,?,CASE)中,如果有一个操作数为空,那么结果为空。 COUNT_STAR ,不过滤null数据 CAST 操作:将一个null数据从一个数据类型转换到另一个数据类型,结果为空 AVG,MIN,MAX,SUM,COUNT :这几个操作将忽略空值 CONCAT :任意...
分类:其他好文   时间:2014-06-27 23:24:12    阅读次数:304
[leetcode] Palindrome Number
Determine whether an integer is a palindrome. Do this without extra space.
分类:其他好文   时间:2014-06-27 12:28:06    阅读次数:228
LeetCode Valid Palindrome
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. For example, "A man, a plan, a canal: Panama" is a palindrome. "race a car" is no...
分类:其他好文   时间:2014-06-27 10:36:41    阅读次数:183
CodeForces 7D Palindrome Degree 字符串hash
题目链接:点击打开链接 #include #include #include #include #include #include #include #include #include #include #include using namespace std; #define N 5001000 #define mod 1000000007 #define he...
分类:其他好文   时间:2014-06-27 07:35:50    阅读次数:178
LeetCode: Palindrome Partitioning [131]
【题目】 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, given s = "aab", Return [ ["aa","b"], ["a","a","b"] ] 【题意】 给定一个字符串s, 要求对s进行...
分类:其他好文   时间:2014-06-26 13:21:59    阅读次数:182
LeetCode: Palindrome Partitioning II [132]
【题目】 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 of s. For example, given s = "aab", Return 1 since the palindrome partitioning ["aa","b"] could b...
分类:其他好文   时间:2014-06-26 07:48:00    阅读次数:259
Topcoder SRM625 题解
给出一个字符串求是palindrome和anagram的比率是多少。 知识点: 1 DBL_MAX 64位double的最长数大概是1.7E308,很大很大,比long long大上不知多少倍,故此大概能容纳150!的数值,不能容纳200!的数值 2 偶数的时候,不能有字母重复为基数次,否则不能组成palindrome 3 基数的时候,只能有且只有有一个字母重复为基数次,用于放在中...
分类:其他好文   时间:2014-06-25 10:00:13    阅读次数:193
LeetCode:Valid Palindrome
Given a string, determine if it is a palindrome, considering only alphanumeric  characters and ignoring cases. For example, "A man, a plan, a canal: Panama" is a palindrome. "race a car" i...
分类:其他好文   时间:2014-06-24 18:16:02    阅读次数:147
LeetCode: Valid Palindrome [125]
【题目】 Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. For example, "A man, a plan, a canal: Panama" is a palindrome. "race a car" is not a palindrome. Note: Have you consider that the string m...
分类:其他好文   时间:2014-06-24 15:35:07    阅读次数:150
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