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leetcode:String to Integer (atoi)
问题 输入:一个表示数字的字符串,需要考虑不同的输入形式。 输出:对应的整数 特殊输入形式: 1.输入开始几个字符为空格 2.考虑正负号 3.数字字符不属于[0,9]时,输出当前结果 4.字符串代表的数字大于INT_MAX或者小于INT_MIN时输出INT_MAX或者INT_MIN。 class Solution { // out of range...
分类:其他好文   时间:2014-06-03 06:30:14    阅读次数:314
java中string和int互相转化
1 如何将字串 String 转换成整数 int? A. 有两个方法: 1). int i = Integer.parseInt([String]); 或 i = Integer.parseInt([String],[int radix]); 2). int i = Integer.valueOf(my_str).intValue(); 注: 字串转成 Double, Float, Lo...
分类:编程语言   时间:2014-06-03 04:43:07    阅读次数:297
HLG 2116 Maximum continuous product (最大连续积 DP)
链接:  http://acm.hrbust.edu.cn/index.php?m=ProblemSet&a=showProblem&problem_id=2116 Description Wind and his GF(game friend) are playing a small game. They use the computer to randomly generated a nu...
分类:其他好文   时间:2014-06-03 02:17:13    阅读次数:252
[简单博弈] hdu 1525 Euclid's Game
题目链接: http://acm.hdu.edu.cn/showproblem.php?pid=1525 Euclid's Game Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 1832    Accepted S...
分类:其他好文   时间:2014-06-03 01:38:06    阅读次数:255
hdu-4605-Magic Ball Game-线段树+离线操作
以前用树状数组做过一次,现在用线段树再刷一次。。。 首先必须先离散化。。。 然后建立2颗线段树,第一颗表示往左走,每个节点的值的分布。       第二颗表示往右走,每个节点的值的分布。 然后根据左右走的关系,判断出x,y的值。 #pragma comment(linker, "/STACK:1024000000,1024000000") #include #include #inclu...
分类:其他好文   时间:2014-06-03 01:25:54    阅读次数:315
poj 3388 Japanese Puzzle
DescriptionA brand-new Japanese puzzle is coming from the East to strike the world-popular Sudoku game and become an international hit. The rules of t...
分类:其他好文   时间:2014-06-02 20:44:37    阅读次数:303
Find The Multiple
Find The MultipleTime Limit: 1000MSMemory Limit: 10000KTotal Submissions: 16995Accepted: 6921Special JudgeDescriptionGiven a positive integer n, write...
分类:其他好文   时间:2014-06-01 11:27:41    阅读次数:176
LeetCode: Merge Sorted Array [088]
【题目】 Given two sorted integer arrays A and B, merge B into A as one sorted array. Note: You may assume that A has enough space (size that is greater or equal to m + n) to hold additional elements from B. The number of elements initialized in A and B are...
分类:其他好文   时间:2014-06-01 09:21:16    阅读次数:292
LeetCode: Gray Code [089]
【题目】 The gray code is a binary numeral system where two successive values differ in only one bit. Given a non-negative integer n representing the total number of bits in the code, print the sequence of gray code. A gray code sequence must begin with 0. ...
分类:其他好文   时间:2014-06-01 09:16:29    阅读次数:242
poj 2769 Reduced ID Numbers(memset使用技巧)
Description T. Chur teaches various groups of students at university U. Every U-student has a unique Student Identification Number (SIN). A SIN s is an integer in the range 0 ≤ s ≤ MaxSIN with MaxS...
分类:其他好文   时间:2014-06-01 07:40:18    阅读次数:248
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