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LeetCode:Reverse Integer
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...
分类:其他好文   时间:2014-05-24 01:39:59    阅读次数:170
PL/SQL 编程(二)
1    For循环     语法:begin             for i in reverse 1..10 loop             insert into users values(i,’奥巴马‘);             end loop;           end;     注意:循环变量 i 是隐含增加的,所以无法看到      2    goto语句...
分类:数据库   时间:2014-05-22 12:12:34    阅读次数:335
java中String类型转换方法
integer to String :int i = 42;String str = Integer.toString(i);orString str = "" + i double to String :String str = Doubl...
分类:编程语言   时间:2014-05-20 12:54:45    阅读次数:358
SQLite基本(实例FileOrganizer2013.5.12)
工具用 SQLite Dev数据类型:1.NULL:空值。2.INTEGER:带符号的整型,具体取决有存入数字的范围大小。3.REAL:浮点数字,存储为8-byte IEEE浮点数。4.TEXT:字符串文本。5.BLOB:二进制对象。=======================添加 sqlite-...
分类:数据库   时间:2014-05-19 17:09:21    阅读次数:349
LeetCode:Add Two Numbers
题目链接 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 si...
分类:其他好文   时间:2014-05-19 13:53:32    阅读次数:296
【LeetCode】Add Two Numbers
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 ...
分类:其他好文   时间:2014-05-19 12:05:23    阅读次数:386
Leetcode 151题 Reverse Words in a String
Leetcode 151题 Reverse Words in a String...
分类:其他好文   时间:2014-05-18 10:51:21    阅读次数:243
LeetCode: Reverse Nodes in k-Group [024]
【题目】 Given a linked list, reverse the nodes of a linked list k at a time and return its modified list. If the number of nodes is not a multiple of k then left-out nodes in the end should remain as it is. You may not alter the values in the nodes, only n...
分类:其他好文   时间:2014-05-18 10:22:34    阅读次数:367
LeetCode 013 Roman to Integer
【题目】 Given a roman numeral, convert it to an integer. Input is guaranteed to be within the range from 1 to 3999. 【题意】 把罗马数转换为整数 【思路】 罗马数字中只使用如下七个基值字母:M,D,C,L,X,V,I,分别用来表示1000、500、100、50、10、5、1。 大体思路是每个罗马字母对应的值相加即可, 但需要处理900, 400, 90, 40, 9, 4这几个特殊...
分类:其他好文   时间:2014-05-18 07:58:54    阅读次数:293
LeetCode:Reverse Words in a String
题目: Given an input string, reverse the string word by word. For example, Given s = "the sky is blue", return "blue is sky the". Clarification: What constitutes a word? A sequence of non-spa...
分类:其他好文   时间:2014-05-18 04:12:07    阅读次数:198
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