Do you know how to write the for-loop
efficiently? Read this to get it. :)
分类:
编程语言 时间:
2014-05-18 19:24:37
阅读次数:
382
试了不少方法,最后还是这个最有效。[转自:http://thatsimplecode.com/install-mongodb-driver-for-php-on-xampp-for-mac-osx]You
need to have the following installed in your Ma...
分类:
数据库 时间:
2014-05-18 19:10:28
阅读次数:
305
【题目】
Given an array and a value, remove all instances of that value in place and return the new length.
The order of elements can be changed. It doesn't matter what you leave beyond the new length.
【题意】
删除数组中指定的值。不关心在新数组的后面即数组尾部留下了什么值。
【思路】
思路同Remo...
分类:
其他好文 时间:
2014-05-18 14:53:56
阅读次数:
208
题目链接:
http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=5235
Calculate the Function
Time Limit: 2 Seconds Memory Limit: 65536 KB
You are given a list of numbers A1 A2 .. AN...
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其他好文 时间:
2014-05-18 09:52:49
阅读次数:
410
【题目】
You are given a string, S, and a list of words, L, that are all of the same length. Find all starting indices of substring(s) in S that is a concatenation of each word in L exactly once and without any intervening characters.
For example, given:
S:...
分类:
其他好文 时间:
2014-05-18 08:31:48
阅读次数:
228
题目大意:
给出N个数
0 操作 把 l ----- r之间的数全部开平方
1 操作 输出 l -----r 之间的和
思路分析:
判断区间里的数字是否全相同。如果相同,
将cov 置为该数
查询的时候和更新的时候,如果碰到cov != -1 的 就直接返回就可以了
#include
#include
#include...
分类:
其他好文 时间:
2014-05-18 05:25:06
阅读次数:
227
Given a linked list and a value x, partition it
such that all nodes less than x come before nodes greater than or equal to x.You
should preserve the o...
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其他好文 时间:
2014-05-18 02:34:57
阅读次数:
352
Given a triangle, find the minimum path sum
from top to bottom. Each step you may move to adjacent numbers on the row
below.For example, given the fol...
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其他好文 时间:
2014-05-18 02:11:19
阅读次数:
302
Given two numbers represented as strings,
return multiplication of the numbers as a string.Note: The numbers can be
arbitrarily large and are non-nega...
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其他好文 时间:
2014-05-18 01:25:07
阅读次数:
288
//rbtree.h /* Red Black Trees (C) 1999 Andrea
Arcangeli This program is free software; you can redistribute it and/or modify
it under the terms of the...
分类:
系统相关 时间:
2014-05-18 01:05:37
阅读次数:
489