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POJ3009:Curling 2.0(dfs)
http://poj.org/problem?id=3009DescriptionOn Planet MM-21, after their Olympic games this year, curling is getting popular. But the rules are somewhat ...
分类:其他好文   时间:2014-09-20 01:04:46    阅读次数:279
Keepalived中Master和Backup角色选举策略
在Keepalived集群中,其实并没有严格意义上的主、备节点,虽然可以在Keepalived配置文件中设置“state”选项为“MASTER”状态,但是这并不意味着此节点一直就是Master角色。控制节点角色的是Keepalived配置文件中的“priority”值,但并它并不控制所有节点的角色,...
分类:其他好文   时间:2014-09-19 17:29:35    阅读次数:226
C++重载运算符 < priority_queue 相关(个人笔记)
本来想用 priority_queue 去写个bfs。结果重载运算符忘了。ORZ。 然后看书和问别人熟悉了一下,记录一下。 struct lx { int x,y,lv; }; 有一个这样的结构体。x,y,是坐标,lv 是它的权。重载 struct lx { int x,y,lv; friend bool operator<(lx a,lx b) ...
分类:编程语言   时间:2014-09-19 12:01:05    阅读次数:236
优先队列(堆) Priority Queue
Priority Queue Definition & Description:                    In computer science/data structures, a priority queue is an abstract data type which is like a regular queue or stack data str...
分类:其他好文   时间:2014-09-19 03:25:45    阅读次数:301
HDU 5014 Number Sequence(贪心)
当时想到了贪心,但是不知为何举出了反列。。。。我是逗比,看了点击打开链接。才发现我是逗比。 Problem Description There is a special number sequence which has n+1 integers. For each number in sequence, we have two rules: ● ai ∈ [0,n]  ●...
分类:其他好文   时间:2014-09-16 02:44:19    阅读次数:276
HDU5014:Number Sequence
Problem Description There is a special number sequence which has n+1 integers. For each number in sequence, we have two rules: ● ai ∈ [0,n]  ● ai ≠ aj( i ≠ j ) For sequence a and sequence b,...
分类:其他好文   时间:2014-09-15 21:22:10    阅读次数:240
greedy1521
如上图中的2,用4位二进制(总共4层)来表示,同时总共出现2次。即共需要位数为2*4,实际上反应在哈佛曼树中,即为在每层都加上2,总共加了4次(4即为2的层数,从最底层一直到19,19不算),因此将除最顶层19除外,将树种所有的数总加起来,即为每个数总共需要的位数。关于priority_queuer...
分类:其他好文   时间:2014-09-15 17:27:39    阅读次数:152
ubuntu12.04下chromium的编译与运行
在查看了ubuntu的debian rules,重新配置chromium GYP_GENERATORS=make GYP_DEFINES="disable_sse2=1 use_third_party_translations=1 werror= sysroot= disable_nacl=1 linux_use_gold_binary=0 linux_use_gold_flags=0 enab...
分类:其他好文   时间:2014-09-15 14:23:38    阅读次数:231
HDU-5014-Number Sequence
Problem Description There is a special number sequence which has n+1 integers. For each number in sequence, we have two rules: ● ai ∈ [0,n]  ● ai ≠ aj( i ≠ j ) For sequence a and sequence b,...
分类:其他好文   时间:2014-09-15 01:06:27    阅读次数:175
HDU - 5014 Number Sequence
Problem Description There is a special number sequence which has n+1 integers. For each number in sequence, we have two rules: ● ai ∈ [0,n] ● ai ≠ aj( i ≠ j ) For sequence a and sequence b, t...
分类:其他好文   时间:2014-09-14 23:41:28    阅读次数:262
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