戳我去解题Givennnon-negative integersa1,a2, ...,an,
where each represents a point at coordinate (i,ai).nvertical lines are drawn
such that the two endpoint...
分类：
其他好文 时间：
2014-07-22 23:09:34
阅读次数：
337
Given two binary trees, write a function to
check if they are equal or not.Two binary trees are considered equal if they are
structurally identical an...
分类：
其他好文 时间：
2014-05-01 16:06:46
阅读次数：
427
Abstract. In mathematics a Voronoi diagram is a
way of dividing space into a number of regions. A set of points, called seeds,
sites, or generators is...
分类：
其他好文 时间：
2014-05-01 09:46:54
阅读次数：
493
DescriptionAstronomers often examine star maps
where stars are represented by points on a plane and each star has Cartesian
coordinates. Let the level...
分类：
其他好文 时间：
2014-05-01 05:42:32
阅读次数：
368
This is a two player game. Initially there
areninteger numbers in an array and playersAandBget chance to take them
alternatively. Each player can take...
分类：
其他好文 时间：
2014-04-30 20:34:38
阅读次数：
519
1.for a two dimension vector, we must assign at
least the first dimension of the vector2.each dimension of an inner vector can
be different3.if you do...
分类：
其他好文 时间：
2014-04-30 18:47:20
阅读次数：
549
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 sin...
分类：
其他好文 时间：
2014-04-30 18:44:23
阅读次数：
428
题目大意：
两个操作
1 id op 把id的位置+op
2 id op 查询在【id，op】之间的所有的数的差
思路：
关键是pushup函数。
自己退一下会发现，跟区间的总和，区间的节点个数有关。
比如如果左区间是 1 2 的话
右区间来一个 9
那么
就要加上
9-1+9-2
#include
#include
#include
#incl...
分类：
其他好文 时间：
2014-04-29 13:44:22
阅读次数：
475
Pat1063代码
题目描述：
Given two sets of integers, the similarity of the sets is defined to be Nc/Nt*100%, where Nc is the number of distinct common numbers shared by the two sets,
and Nt is the to...
分类：
其他好文 时间：
2014-04-29 13:44:20
阅读次数：
325
RSA is one of the most powerful methods to encrypt data. The RSA algorithm is described as follow:
> choose two large prime integer p, q
> calculate n = p × q, calculate F(n) = (p - 1) × (q - 1)
...
分类：
其他好文 时间：
2014-04-27 21:37:59
阅读次数：
315
