Haskell functions can take functions as parameters
and return functions as return values. A function that does either of those is
called a higher orde...
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其他好文 时间:
2014-06-02 18:16:16
阅读次数:
334
You can Solve a Geometry Problem tooTime Limit:
2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total
Submission(s): 6932Accepted S...
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其他好文 时间:
2014-06-02 12:40:04
阅读次数:
325
Given a linked list, determine if it has a
cycle in it.Follow up:Can you solve it without using extra
space?求链表是否有环的问题,要考虑链表为空的情况,定义一个快指针和一个慢指针,如果快指针和...
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其他好文 时间:
2014-06-02 08:05:16
阅读次数:
255
Given a linked list, return the node where the
cycle begins. If there is no cycle, returnnull.Follow up:Can you solve it
without using extra space?借用博...
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其他好文 时间:
2014-06-02 07:32:33
阅读次数:
291
ParencodingsDescriptionLet S = s1 s2...s2n be a
well-formed string of parentheses. S can be encoded in two different ways: q By
an integer sequence P ...
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其他好文 时间:
2014-06-02 06:19:50
阅读次数:
185
可视化语法 Visual Format SyntaxThe following are
examples of constraints you can specify using the visual format. Note how the
text visually matches the im...
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移动开发 时间:
2014-06-02 05:37:46
阅读次数:
351
题意:对数列有三种操作:
Print operation l,?r. Picks should write down the value of .
Modulo operation l,?r,?x. Picks should perform assignment a[i]?=?a[i] mod x for
each i (l?≤?i?≤?r).
Set operation k...
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其他好文 时间:
2014-06-02 02:56:56
阅读次数:
465
TilingDescriptionIn how many ways can you tile
a 2xn rectangle by 2x1 or 2x2 tiles?Here is a sample tiling of a 2x17
rectangle.InputInput is a sequenc...
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其他好文 时间:
2014-06-02 00:08:55
阅读次数:
343
iOS7刚发布的时候,总是出现这个 Can't add self as subview 的崩溃,团队内部没出现过,但是外部用户的crash频频上报这个崩溃。
异常描述和崩溃堆栈是这样的:
*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'Can't add se...
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其他好文 时间:
2014-06-01 17:32:08
阅读次数:
489
??
Description
Given N numbers, X1,
X2, ... , XN, let us calculate the difference of every pair of numbers: ∣Xi
- Xj∣ (1 ≤ i
< j ≤ N). We can get C(N,2) differences through this work, and no...
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其他好文 时间:
2014-06-01 14:07:56
阅读次数:
347