Say you have an array for which theithelement
is the price of a given stock on dayi.Design an algorithm to find the maximum
profit. You may complete a...
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其他好文 时间:
2014-05-10 00:24:49
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255
Say you have an array for which theithelement
is the price of a given stock on dayi.If you were only permitted to complete at
most one transaction (ie...
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其他好文 时间:
2014-05-09 13:13:02
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283
题目描述N integers are arranged on a circle clockwise.
Given two integers M and K. For each position, you should take M continuous
integers on the left an...
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其他好文 时间:
2014-05-09 10:30:49
阅读次数:
350
戳我去解题Given amxnmatrix, if an element is 0, set its
entire row and column to 0. Do it in
place.这题还是很简单的,就是有点坑,遍历矩阵的时候,每遇到0的时候,我们不能立即将所在行和列置0,否则,到最后矩阵所有...
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其他好文 时间:
2014-05-09 08:51:57
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253
戳我去解题Write an efficient algorithm that searches for
a value in anmxnmatrix. This matrix has the following properties:Integers in
each row are sorted f...
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其他好文 时间:
2014-05-09 08:27:24
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241
// Matrix.h#ifndef MATRIX_H#define
MATRIX_H#include#include#include#define rows 4#define cols 4#define L 6using
std::ostream;classMatrix{friend ostrea...
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其他好文 时间:
2014-05-09 07:21:22
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353
The ? 1 ? 2 ? ... ? n = k problem
The problem
Given the following formula, one can set operators '+' or '-' instead of each '?', in order to obtain a given k
? 1 ? 2 ? ... ? n =...
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其他好文 时间:
2014-05-09 06:10:40
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285
Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses.
For example, given n = 3, a solution set is:
"((()))", "(()())", "(())()", "()(())", "()()...
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其他好文 时间:
2014-05-09 02:29:07
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302
摘要:
月中在香港参加recsys2013会议,文章不少,对我有价值的并不算多,再跟目前工作相关的就更少了。这里过滤了几篇我觉得比较有意思的文章,加上了自己的理解,作为导读。
A Fast Parallel SGD for Matrix Factorization...月中在香港参加recsys20...
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其他好文 时间:
2014-05-09 00:11:11
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339
这道题的做法,一定得掌握啊!!! elegant & beautiful &
concise下面是AC代码: 1 /** 2 * Given a set of distinct integers, S, return all
possible subsets. 3 * 这道...
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其他好文 时间:
2014-05-08 22:44:57
阅读次数:
424