Assertionsarecrucialduringmaintenanceofaprogram.Trytomakecodesimpleisthekeytowritecorrectcode.Aproblemthatseemsdifficultmayhaveasimple,unexpectedsolution.Sitbackandwaitforaninsightratherthanrushingforwardwiththeirfirstidea.Ifyouthinkyouareright,justproveit.
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其他好文 时间:
2014-05-25 21:07:50
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278
Description
You are given a string consisting of parentheses () and []. A string of this type is said to be correct:
(a)if it is the empty string(b)if A and B are correct, AB is correct,(c)...
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其他好文 时间:
2014-05-22 09:53:27
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295
In a multicore environment—where system resources must be shared—it is important to control simultaneous accesses to the available resources. To ensure correct system operation, it is necessary to lim...
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其他好文 时间:
2014-05-22 07:18:54
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308
DropboxSDK: unable to link; app isn't registered for correct URL scheme...
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移动开发 时间:
2014-05-21 16:48:23
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351
Given a string containing just the characters '(', ')', '{', '}', '[' and ']',
determine if the input string is valid.
The brackets must close in the correct order, "()" and "()[]{}" are
all vali...
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其他好文 时间:
2014-05-18 15:11:17
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249
【题目】
Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.
The brackets must close in the correct order, "()" and "()[]{}" are all valid but "(]" and "([)]" are not.
【题意】
判断给定的字符串是否是合法的...
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其他好文 时间:
2014-05-18 10:08:11
阅读次数:
327
题目如下:
Parentheses Balance
You are given a string consisting of parentheses () and []. A string of this type is said to be correct:
(a)
if it is the empty string
(b)
if A and B are ...
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其他好文 时间:
2014-05-09 20:57:46
阅读次数:
316
题目:uva :185 - Roman Numerals
题目大意:给出一个字符串的等式,问这个字符串是否是罗马等式吗?有符合的阿拉伯等式吗?前者是就输出correct or incorrect ,后者就得分情况:
ambiguous 能组成阿拉伯等式的字母组合大于等于2, valid 能组成阿拉伯等式的字母组合只有1种impossible 没有符合阿拉伯等式的字母组合。解...
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其他好文 时间:
2014-05-09 06:06:02
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329
在单元测试中,有6个总结出的值得测试的方面,这6个方面统称为 Right-BICEP,通过这6个方面的指导,可以较完全的测试出代码中的bug。本文就是简单的介绍 Right-BICEP 到底指的哪6个方面,以及其中边界测试中的 CORRECT 助记短语。...
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其他好文 时间:
2014-05-04 09:48:19
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215
Valera wanted to prepare a Codesecrof round. He's already got one problem and he wants to set a time limit (TL) on it.
Valera has written n correct solutions. For each correct solution, he knows it...
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其他好文 时间:
2014-05-03 16:53:51
阅读次数:
364