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Palindrome Number(回文串)
题目: Determine whether an integer is a palindrome. Do this without extra space. 分析: 该题目来源于leetcode。回文串是一个正读和反读都一样的字符串,比如“level”或者“noon”等等就是回文串。当然整数形式的回文串也是类似的。但负数不是回文串。两种思路: 按定义来,依次比较串的首尾,直到中...
分类:其他好文   时间:2014-12-21 20:43:45    阅读次数:174
【LeetCode】Symmetric Tree
题目 Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center). For example, this binary tree is symmetric: 1 / 2 2 / \ / 3 4 4 3 B...
分类:其他好文   时间:2014-12-18 17:01:17    阅读次数:187
内部函数isinstance说明
isinstance说明如下: isinstance(object, class-or-type-or-tuple) -> bool Return whether an object is an instance of a class or of a subclass thereof. With a...
分类:其他好文   时间:2014-12-18 16:40:09    阅读次数:196
Symmetric Tree
Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center). For example, this binary tree is symmetric: 1 / 2 2 / \ / 3 4 4 3 But the following...
分类:其他好文   时间:2014-12-16 22:39:34    阅读次数:214
Palindrome Number
Determine whether an integer is a palindrome. Do this without extra space. 思路:想办法把第一个和最后一个数字剥离出来比较 #include int isPalindrome(int x){ int d=x/10,i=1; int begin=0,end=0; if(x<0) return 0...
分类:其他好文   时间:2014-12-15 17:22:08    阅读次数:121
Palindrome Number -- leetcode
Determine whether an integer is a palindrome. Do this without extra space. click to show spoilers. Some hints: Could negative integers be palindromes? (ie, -1) If you are thinking of convertin...
分类:其他好文   时间:2014-12-15 09:03:15    阅读次数:154
在solaris10上安装ORACLE 12c时遇到:Soft limit:maxmum open file descriptors错误
--配置oracle最大打开文件数限制 Solaris操作系统具有打开文件数量的限制,数据库的db_files参数设置会受操作系统的参数限制。 Soft Limit: maximum open file descriptors - This is a prerequisite condition to test whether the soft limit for "maximum open file descriptors" is set correctly. Expected Value : 1024 ...
分类:数据库   时间:2014-12-14 15:53:34    阅读次数:579
[LeetCode] Symmetric Tree
Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).For example, this binary tree is symmetric: 1 / \ ...
分类:其他好文   时间:2014-12-14 00:43:17    阅读次数:170
[leetcode]Palindrome Number
问题描述: Determine whether an integer is a palindrome. Do this without extra space. 基本思路: 考虑到回文的特点,根据给定数字获得与给定数字低位高位反序的数字。如果是回文数,则两数想等;否则不等。(即使反序数字溢出,也可的到正确结果) 代码: bool isPalindrome(int x) { //...
分类:其他好文   时间:2014-12-04 20:04:19    阅读次数:159
LeetCode: Symmetric Tree 解题报告
Symmetric TreeGiven a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).For example, this binary tree is symmetric...
分类:其他好文   时间:2014-12-03 23:00:53    阅读次数:290
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