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UVa 1225 / UVALive 3996 Digit Counting 数数字(字符统计)
Digit CountingTime Limit: 3000MSMemory Limit: Unknown64bit IO Format: %lld & %llu Submit Status DescriptionTrung is bored with his mathematics homewor...
分类:其他好文   时间:2015-01-18 21:04:17    阅读次数:219
[C++]LeetCode: 108 Add Two Numbers (反序链表求和)
题目: 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 digit. Add the two numbers and return it ...
分类:编程语言   时间:2015-01-18 18:38:24    阅读次数:275
hdu oj 1061 Rightmost Digit (快速幂算法)
这里首先要讲解一下快速幂算法: 快速幂取模算法 在网站上一直没有找到有关于快速幂算法的一个详细的描述和解释,这里,我给出快速幂算法的完整解释,用的是C语言,不同语言的读者只好换个位啦,毕竟读C的人较多~ 所谓的快速幂,实际上是快速幂取模的缩写,简单的说,就是快速的求一个幂式的模(余)。在程序设计过程中,经常要去求一些大数对于某个数的余数,为了得到更快、计算范围更大的算法,产生了快速幂...
分类:编程语言   时间:2015-01-17 11:16:35    阅读次数:251
leetcode 【 Plus One 】python 实现
题目:Given a non-negative number represented as an array of digits, plus one to the number.The digits are stored such that the most significant digit is...
分类:编程语言   时间:2015-01-16 23:37:11    阅读次数:215
正则表达式笔记 sed工具
[:alnum:]代表英文大小写字符及数字,即0-9A-Za-z[:alpha:]代表任何英文大小写字符,即A-Za-z[:blank:]代表空格键与TAB键[:cntrl:]代表键盘上面的控制案件,即包括CRLFTABDEL等[:digit:]代表数字0-9[:graph:]除了空格键与TAB键外其他的所有键[:lower:]代表小写字符a-z[:print:]..
分类:其他好文   时间:2015-01-16 16:57:31    阅读次数:244
uva 11645
Problem JBitsInput:Standard InputOutput:Standard OutputAbitis a binary digit, taking a logical value of either "1" or "0" (also referred to as "true" ...
分类:其他好文   时间:2015-01-16 14:20:21    阅读次数:212
Kaggle竞赛题目之——Digit Recognizer
Classify handwritten digits using the famous MNIST data This competition is the first in a series of tutorial competitions designed to introduce people to Machine Learning. The goal in this comp...
分类:其他好文   时间:2015-01-16 13:07:42    阅读次数:499
[LeetCode] Letter Combinations of a Phone Number 回溯
Given a digit string, return all possible letter combinations that the number could represent.A mapping of digit to letters (just like on the telephon...
分类:其他好文   时间:2015-01-15 18:08:11    阅读次数:108
find the nth digit
find the nth digit Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 8801 Accepted Submission(s): 2504 Problem Description 假设: S1 = 1...
分类:其他好文   时间:2015-01-14 12:52:48    阅读次数:211
LeetCode题解 || Add Two Numbers 问题
problem: 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 digit. Add the two numbers and return it...
分类:其他好文   时间:2015-01-13 17:45:37    阅读次数:136
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