blocks|key|510656|text|您可以尝试在Project+Euler上解决一些问题。前几个非常简单，但它们很快就会变得非常具有挑战性。我认为尝试用最短的代码或高度优化的代码来计算结果非常有趣(不过，我通常使用C%2B%2B或Python，而不是C)。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|510657|Project+Euler问题的一个优点是，它们不仅仅是以语言为中心的；它们是真正让您努力思考如何开发一个优雅的解决方案来解决困难问题的问题。|510658|entityMap|0|LINK|mutability|MUTABLE|url|http://projecteuler.net/^0|6|D|0|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@$A|O|B|P|1|Q]]|C|$]]|$1|D|3|E|5|6|7|R|8|@]|9|@]|C|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]]]

You might try solving some of the problems on <a href="http://projecteuler.net/" rel="noreferrer">Project Euler</a>. The first few are pretty simple, but they get very challenging very quickly. I think it's a lot of fun trying to come up with the shortest code or highly optimized code to compute the results (though, I generally use C++ or Python, not C).

One advantage the Project Euler problems have is that they aren't just language-centric; they're problems that really make you think hard about how to develop an elegant solution to difficult problems.

blocks|key|510880|text|这是一个在线评委(和类似的)的网站列表，其中包含了大量的问题：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|510881|(网站按字典序排序)|510882|来自过去ACM/ICPC地区赛和Iran.|510883|FZU+Online+Judge|unordered-list-item|offset|length|510884|
|510885|Google+Code+Jam|510886|510887|Harbin+Online+Judge|510888|510889|Hangzhou+Dianzi+University+(HDU)+Online+Judge|510890|510891|Hunan+University+ACM/ICPC+Online+Judge|510892|510893|IPSC+(Internet+Problem+Solving+Contest)|510894|510895|KSRU+Online+Judge|510896|
谢里夫大学世界Finals.|510897|Arbiter，在线评委的|510898|ACM+Live+Archive，问题|ordered-list-item|510899|510900|510901|10.Jilin+Online+Judge|510902|11.Lviv+Online+Judge|510903|12.Moscow+Online+Judge|510904|13.National+Taiwan+University+Online+Judge|510905|14.Online+Problems+Solving+System+(OPSS)|510906|15.Peking+University+Online+Judge|510907|16.Programming+Challenges|510908|17.Project+Euler|510909|18.Saratov+Online+Judge|510910|19.Sphere+Online+Judge|510911|20.TJU+Online+Judge|510912|21.TopCoder|510913|22.Ural+Online+Judge|510914|23.USACO+Training+Program+Gateway|510915|24.UVa+Online+Judge|510916|25.Wuhan+University+Online+Judge|510917|26.ZJU+Online+Judge|510918|27.Z-Trening|510919|entityMap|0|LINK|mutability|MUTABLE|url|http://acm.fzu.edu.cn/|1|http://code.google.com/codejam/|2|http://acm.hit.edu.cn/|3|http://acm.hdu.edu.cn/|4|http://acm.hnu.cn:8080/online/|5|http://ipsc.ksp.sk/|6|http://www.olymp.krsu.edu.kg/GeneralProblemset.aspx|7|http://acm.sharif.edu/arbiter/home.jsf|8|http://cii-judge.baylor.edu/|9|http://acm.jlu.edu.cn/joj/|10|http://acm.lviv.ua/|11|http://acm.mipt.ru/judge/login.pl?lang=en|12|http://acm.csie.ntu.edu.tw/ntujudge/index.php|13|http://opss.assecobs.pl/|14|http://acm.pku.edu.cn/JudgeOnline/|15|http://www.programming-challenges.com/|16|http://projecteuler.net/|17|http://acm.sgu.ru/|18|http://www.spoj.pl/|19|http://acm.tju.edu.cn/toj/|20|http://www.topcoder.com/tc/|21|http://acm.timus.ru/|22|http://ace.delos.com/usacogate/|23|http://uva.onlinejudge.org/|24|http://acm.whu.edu.cn/oak/|25|http://acm.zju.edu.cn/|26|http://www.z-trening.com/^0|0|0|0|0|G|0|0|0|0|F|1|0|0|0|J|2|0|0|0|19|3|0|0|0|12|4|0|0|0|13|5|0|0|0|H|6|0|0|0|7|7|0|0|G|8|0|0|0|3|I|9|0|3|H|A|0|3|J|B|0|3|13|C|0|3|11|D|0|3|U|E|0|3|M|F|0|3|D|G|0|3|K|H|0|3|J|I|0|3|G|J|0|3|8|K|0|3|H|L|0|3|U|M|0|3|G|N|0|3|T|O|0|3|G|P|0|3|9|Q|0^^$0|@$1|2|3|4|5|6|7|40|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|41|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|42|8|@]|9|@]|A|$]]|$1|F|3|G|5|H|7|43|8|@]|9|@$I|44|J|45|1|46]]|A|$]]|$1|K|3|L|5|6|7|47|8|@]|9|@]|A|$]]|$1|M|3|N|5|H|7|48|8|@]|9|@$I|49|J|4A|1|4B]]|A|$]]|$1|O|3|L|5|6|7|4C|8|@]|9|@]|A|$]]|$1|P|3|Q|5|H|7|4D|8|@]|9|@$I|4E|J|4F|1|4G]]|A|$]]|$1|R|3|L|5|6|7|4H|8|@]|9|@]|A|$]]|$1|S|3|T|5|H|7|4I|8|@]|9|@$I|4J|J|4K|1|4L]]|A|$]]|$1|U|3|L|5|6|7|4M|8|@]|9|@]|A|$]]|$1|V|3|W|5|H|7|4N|8|@]|9|@$I|4O|J|4P|1|4Q]]|A|$]]|$1|X|3|L|5|6|7|4R|8|@]|9|@]|A|$]]|$1|Y|3|Z|5|H|7|4S|8|@]|9|@$I|4T|J|4U|1|4V]]|A|$]]|$1|10|3|L|5|6|7|4W|8|@]|9|@]|A|$]]|$1|11|3|12|5|H|7|4X|8|@]|9|@$I|4Y|J|4Z|1|50]]|A|$]]|$1|13|3|14|5|6|7|51|8|@]|9|@]|A|$]]|$1|15|3|16|5|H|7|52|8|@]|9|@$I|53|J|54|1|55]]|A|$]]|$1|17|3|18|5|19|7|56|8|@]|9|@$I|57|J|58|1|59]]|A|$]]|$1|1A|3|-4|5|6|7|5A|8|@]|9|@]|A|$]]|$1|1B|3|-4|5|6|7|5B|8|@]|9|@]|A|$]]|$1|1C|3|1D|5|6|7|5C|8|@]|9|@$I|5D|J|5E|1|5F]]|A|$]]|$1|1E|3|1F|5|6|7|5G|8|@]|9|@$I|5H|J|5I|1|5J]]|A|$]]|$1|1G|3|1H|5|6|7|5K|8|@]|9|@$I|5L|J|5M|1|5N]]|A|$]]|$1|1I|3|1J|5|6|7|5O|8|@]|9|@$I|5P|J|5Q|1|5R]]|A|$]]|$1|1K|3|1L|5|6|7|5S|8|@]|9|@$I|5T|J|5U|1|5V]]|A|$]]|$1|1M|3|1N|5|6|7|5W|8|@]|9|@$I|5X|J|5Y|1|5Z]]|A|$]]|$1|1O|3|1P|5|6|7|60|8|@]|9|@$I|61|J|62|1|63]]|A|$]]|$1|1Q|3|1R|5|6|7|64|8|@]|9|@$I|65|J|66|1|67]]|A|$]]|$1|1S|3|1T|5|6|7|68|8|@]|9|@$I|69|J|6A|1|6B]]|A|$]]|$1|1U|3|1V|5|6|7|6C|8|@]|9|@$I|6D|J|6E|1|6F]]|A|$]]|$1|1W|3|1X|5|6|7|6G|8|@]|9|@$I|6H|J|6I|1|6J]]|A|$]]|$1|1Y|3|1Z|5|6|7|6K|8|@]|9|@$I|6L|J|6M|1|6N]]|A|$]]|$1|20|3|21|5|6|7|6O|8|@]|9|@$I|6P|J|6Q|1|6R]]|A|$]]|$1|22|3|23|5|6|7|6S|8|@]|9|@$I|6T|J|6U|1|6V]]|A|$]]|$1|24|3|25|5|6|7|6W|8|@]|9|@$I|6X|J|6Y|1|6Z]]|A|$]]|$1|26|3|27|5|6|7|70|8|@]|9|@$I|71|J|72|1|73]]|A|$]]|$1|28|3|29|5|6|7|74|8|@]|9|@$I|75|J|76|1|77]]|A|$]]|$1|2A|3|2B|5|6|7|78|8|@]|9|@$I|79|J|7A|1|7B]]|A|$]]|$1|2C|3|-4|5|6|7|7C|8|@]|9|@]|A|$]]]|2D|$2E|$5|2F|2G|2H|A|$2I|2J]]|2K|$5|2F|2G|2H|A|$2I|2L]]|2M|$5|2F|2G|2H|A|$2I|2N]]|2O|$5|2F|2G|2H|A|$2I|2P]]|2Q|$5|2F|2G|2H|A|$2I|2R]]|2S|$5|2F|2G|2H|A|$2I|2T]]|2U|$5|2F|2G|2H|A|$2I|2V]]|2W|$5|2F|2G|2H|A|$2I|2X]]|2Y|$5|2F|2G|2H|A|$2I|2Z]]|30|$5|2F|2G|2H|A|$2I|31]]|32|$5|2F|2G|2H|A|$2I|33]]|34|$5|2F|2G|2H|A|$2I|35]]|36|$5|2F|2G|2H|A|$2I|37]]|38|$5|2F|2G|2H|A|$2I|39]]|3A|$5|2F|2G|2H|A|$2I|3B]]|3C|$5|2F|2G|2H|A|$2I|3D]]|3E|$5|2F|2G|2H|A|$2I|3F]]|3G|$5|2F|2G|2H|A|$2I|3H]]|3I|$5|2F|2G|2H|A|$2I|3J]]|3K|$5|2F|2G|2H|A|$2I|3L]]|3M|$5|2F|2G|2H|A|$2I|3N]]|3O|$5|2F|2G|2H|A|$2I|3P]]|3Q|$5|2F|2G|2H|A|$2I|3R]]|3S|$5|2F|2G|2H|A|$2I|3T]]|3U|$5|2F|2G|2H|A|$2I|3V]]|3W|$5|2F|2G|2H|A|$2I|3X]]|3Y|$5|2F|2G|2H|A|$2I|3Z]]]]

Here is a list of sites with online judges (and similar) which contains a large variety of problems:

(The sites are sorted in lexicographical order)

<ol>
<li><a href="http://cii-judge.baylor.edu/" rel="noreferrer">ACM Live Archive</a>, problems from past ACM/ICPC regionals and World Finals.</li>
<li><a href="http://acm.sharif.edu/arbiter/home.jsf" rel="noreferrer">Arbiter</a>, online judge at Sharif University in Iran.</li>
<li><a href="http://acm.fzu.edu.cn/" rel="noreferrer">FZU Online Judge</a></li>
<li><a href="http://code.google.com/codejam/" rel="noreferrer">Google Code Jam</a></li>
<li><a href="http://acm.hit.edu.cn/" rel="noreferrer">Harbin Online Judge</a></li>
<li><a href="http://acm.hdu.edu.cn/" rel="noreferrer">Hangzhou Dianzi University (HDU) Online Judge</a></li>
<li><a href="http://acm.hnu.cn:8080/online/" rel="noreferrer">Hunan University ACM/ICPC Online Judge</a></li>
<li><a href="http://ipsc.ksp.sk/" rel="noreferrer">IPSC (Internet Problem Solving Contest)</a></li>
<li><a href="http://www.olymp.krsu.edu.kg/GeneralProblemset.aspx" rel="noreferrer">KSRU Online Judge</a></li>
</ol>

10.<a href="http://acm.jlu.edu.cn/joj/" rel="noreferrer">Jilin Online Judge</a>

11.<a href="http://acm.lviv.ua/" rel="noreferrer">Lviv Online Judge</a>

12.<a href="http://acm.mipt.ru/judge/login.pl?lang=en" rel="noreferrer">Moscow Online Judge</a>

13.<a href="http://acm.csie.ntu.edu.tw/ntujudge/index.php" rel="noreferrer">National Taiwan University Online Judge</a>

14.<a href="http://opss.assecobs.pl/" rel="noreferrer">Online Problems Solving System (OPSS)</a>

15.<a href="http://acm.pku.edu.cn/JudgeOnline/" rel="noreferrer">Peking University Online Judge</a>

16.<a href="http://www.programming-challenges.com/" rel="noreferrer">Programming Challenges</a>

17.<a href="http://projecteuler.net/" rel="noreferrer">Project Euler</a>

18.<a href="http://acm.sgu.ru/" rel="noreferrer">Saratov Online Judge</a>

19.<a href="http://www.spoj.pl/" rel="noreferrer">Sphere Online Judge</a>

20.<a href="http://acm.tju.edu.cn/toj/" rel="noreferrer">TJU Online Judge</a>

21.<a href="http://www.topcoder.com/tc/" rel="noreferrer">TopCoder</a>

22.<a href="http://acm.timus.ru/" rel="noreferrer">Ural Online Judge</a>

23.<a href="http://ace.delos.com/usacogate/" rel="noreferrer">USACO Training Program Gateway</a> 

24.<a href="http://uva.onlinejudge.org/" rel="noreferrer">UVa Online Judge</a>

25.<a href="http://acm.whu.edu.cn/oak/" rel="noreferrer">Wuhan University Online Judge</a>

26.<a href="http://acm.zju.edu.cn/" rel="noreferrer">ZJU Online Judge</a>

27.<a href="http://www.z-trening.com/" rel="noreferrer">Z-Trening</a>

blocks|key|510836|text|构建实现复杂data+structures的库，如二叉树、字典等。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|510837|entityMap|0|LINK|mutability|MUTABLE|url|http://en.wikipedia.org/wiki/List_of_data_structures^0|6|F|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

Build libraries that implement sophisticated <a href="http://en.wikipedia.org/wiki/List_of_data_structures" rel="noreferrer">data structures</a>, like binary trees, dictionaries, and such.

blocks|key|1812301|text|编写一个编译器。它不需要很复杂甚至不完整:您可以编写一种简单的语言(lisp的子集？)然后为它编写一个词法分析器。确保你一开始就写下了形式语法。您将接触到内存管理、指针算法和其他简洁的C语言内容。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1812302|通过用C%2B%2B编写一个简单的YAML解析器，我学到了很多关于自动机和编译器设计的知识。|1812303|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

Write a compiler. It doesn't need to be complex or even complete: you can make up a simple language (a subset of lisp?) and then write a lexer for it. Make sure you start by laying down the formal grammar. You will touch memory management, pointer arithmetics and other neat C stuff.

I learnt a great deal about automata and compiler-design by writing a simple YAML parser in C++.

blocks|key|1812333|text|试试Dennis+Ritchie关于C编程语言的书。这本书有相当好的问题，读起来也是一本书，joy+:)对于更具挑战性的问题，你可以去Bitwise+Programming+contest|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1812334|entityMap|0|LINK|mutability|MUTABLE|url|http://www.bitwise.iitkgp.ernet.in/home^0|1V|R|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

Try out Dennis Ritchie's book on C programming language. The book has quite good problems and also reading it is a joy :)
For more challenging problems you can go to <a href="http://www.bitwise.iitkgp.ernet.in/home" rel="nofollow noreferrer">Bitwise Programming contest</a>

blocks|key|1810341|text|Ruby+Quiz有156个解决方案的问题。但在Ruby中，而不是在C中。在James不再是Ruby测验大师之后，请参阅ruby-lang邮件列表以获取更多信息。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1810342|entityMap|0|LINK|mutability|MUTABLE|url|http://rubyquiz.com/^0|0|9|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

<a href="http://rubyquiz.com/" rel="nofollow noreferrer">Ruby Quiz</a> has 156 problems with solutions. But in Ruby, not C. See the ruby-lang mailing list for more after James stopped being Ruby quiz master.

blocks|key|488691|text|Knuth的按位存储库可能有助于高尚的追求:)|type|unstyled|depth|inlineStyleRanges|entityRanges|data|488692|http://www-cs-faculty.stanford.edu/~knuth/fasc1a.ps.gz|offset|length|488693|entityMap|0|LINK|mutability|MUTABLE|url^0|0|0|1I|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|N|8|@]|9|@$D|O|E|P|1|Q]]|A|$]]|$1|F|3|-4|5|6|7|R|8|@]|9|@]|A|$]]]|G|$H|$5|I|J|K|A|$L|C]]]]

Knuth's repository of bitwise stuff might help in the noble pursuit :) 

<a href="http://www-cs-faculty.stanford.edu/~knuth/fasc1a.ps.gz" rel="nofollow noreferrer">http://www-cs-faculty.stanford.edu/~knuth/fasc1a.ps.gz</a>

blocks|key|510704|text|练习code+Katas，语言并不那么重要。尝试解决你已经用另一种语言解决的Katas问题对于学习一门新语言通常是相当有效的。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|510705|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/questions/4002/code-katas^0|2|A|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

Practice <a href="https://stackoverflow.com/questions/4002/code-katas">code Katas</a>, language does not matter that much. Trying to solve Katas you allready did with another language is usually quite efficient to learn a new language.

blocks|key|488755|text|你可以随时访问Freshmeat，找到一些你感兴趣的项目，看看他们的bug追踪器。获取代码并尝试修复一些问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|488756|这有助于开源，同时也可以帮助你习惯于使用调试护目镜跳转到别人的代码中。|488757|entityMap|0|LINK|mutability|MUTABLE|url|http://freshmeat.net/^0|7|9|0|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@$A|O|B|P|1|Q]]|C|$]]|$1|D|3|E|5|6|7|R|8|@]|9|@]|C|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]]]

You could always visit <a href="http://freshmeat.net" rel="nofollow noreferrer">Freshmeat</a>, find a few projects that interest you and look at their bug tracker. Grab the code and try to fix a few of the problems.

This helps open source while also helping you to get used to jumping in to someone else's code with debugging goggles on.

I'm looking for a series of C problems (with solutions) that I can use to build my C skills. I already understand the basics of the language, the syntax, and the semantics. I am looking for a series of problems that will help me hone my skills, not a set of simple questions that you'd see in an introductory programming class.

C Problems and Solutions

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我正在寻找一系列的C语言问题(带有解决方案)，我可以用它们来培养我的C语言技能。我已经了解了语言、语法和语义的基础知识。我正在寻找一系列可以帮助我磨练技能的问题，而不是你在编程入门课上看到的一组简单的问题。

问C语言问题和解决方案
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回答 9

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问C语言问题和解决方案EN

回答 9

Stack Overflow用户

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问C语言问题和解决方案
EN