Given two integersnandk, return all possible
combinations ofknumbers out of 1 ...n.For example,Ifn= 4 andk= 2, a solution
is:[ [2,4], [3,4], [2,3],...
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其他好文 时间:
2014-05-14 03:54:40
阅读次数:
250
A Points and Segments (easy)
智商题,(智商急~)
/***********************************************************
*分析:只要按Xi从小到大染成1010101010... ,
*1、0间隔的的序列就能保证对于任意区间[l, r]中1的个数和0的个数之差小于等于1。
*注意:由于输入的Xi可能是无...
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其他好文 时间:
2014-05-13 06:22:24
阅读次数:
274
**Why can I access private variables in the
copy constructor?** >The access modifiers work on **class level**, and not on
object level.That is, two ob...
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编程语言 时间:
2014-05-12 15:06:06
阅读次数:
315
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:
2014-05-11 14:35:13
阅读次数:
270
Triangle
Time Limit: 3000MS
Memory Limit: 30000K
Total Submissions: 8038
Accepted: 2375
Description
Given n distinct points on a plane, your task is to find the triangl...
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其他好文 时间:
2014-05-11 06:36:44
阅读次数:
425
本节讲述PDSP监控的配置。
QMSS PDSP:The queue manager sub system contains two or eight packed data structure processors (PDSP) and associated hardware that allow autonomous QMSS-related tasks with interrupt not...
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其他好文 时间:
2014-05-11 04:02:36
阅读次数:
507
Divide two integers without using
multiplication, division and mod
operator.这道题要AC也不容易,许多基础概念不懂。最后看了答案,自己再做也很难AC。还是要记住一些关键点才行:1.
负数的补码等于反码+1.所以负数取绝对值就...
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其他好文 时间:
2014-05-10 06:52:22
阅读次数:
380
Problem DescriptionThere are N villages, which
are numbered from 1 to N, and you should build some roads such that every two
villages can connect to e...
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其他好文 时间:
2014-05-10 02:28:50
阅读次数:
374
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=4717
思路:第一次写三分法,原理和二分法其实是一样的,计算过程两边for,时间复杂度为O(n^2log(n))
代码:
#include
#include
#include
const double eps = 1e-6;
const int N = 305;
#define max(a...
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其他好文 时间:
2014-05-09 21:11:49
阅读次数:
359
N-Queens IThen-queens puzzle is the problem of
placingnqueens on ann×nchessboard such that no two queens attack each
other.Given an integern, return a...
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其他好文 时间:
2014-05-09 20:34:01
阅读次数:
335