Common Brush title URL - the ability to improve code
Backup and summary
1, leetcode
English website: https://leetcode.com/
Chinese Website: https://leetcode-cn.com/
estimated leetcode (power button) everyone is familiar with, have been recommended rotten, many programs at home and abroad members brush above questions, the difficulty from Easy, Medium to Hard we have said many interviewers will pick and choose a variety of topics, known as the maker of the screen yard work.
It has long been known leetcode, but until when nothing else was ready to re-examination on it to find a title feel a little brush, find the above questions covering a wide range, like the tree line, slide arrays, game theory, scan lines there should have, but it seems a little weak and some test data? Some questions may seem quiet Mimi water in the past ...
Of course questions are in English, is now also available in Chinese communities, both URLs put out, or suggest that you first brush in English, exercise, do both, after all, if ACM is engaged, then the title is in English ...
2, hihoCoder
URL: https://hihocoder.com
site technical team from Beijing University POJ original development team, as POJ will be described in the following chapters, anyway worship get away. Some well-known manufacturers such as Microsoft, Baidu, Tencent, Netease and other online programming competition will be held in the above, similar style touches and ACM contest.
If only stop there still not let recommendation, and had become attached to it because there are hihoCoder week tournament every week, every month for a month race. Race Week is a question, the topic is more difficult but very interesting, can be very good to broaden their problem-solving ideas, month race is even more powerful, and the subject are from Beijing University and other top universities play ACM chicory topic and, through this test can to quickly locate their true level, while aware of their deficiencies in the process of solving problems.
This is a unique opportunity to show the true level of self.
3, cattle off net
URL: https://www.nowcoder.com/
cattle off the network as a domestic super-rich IT exam content, a variety of things to see dazzling, learning exam + interview + + + Job discuss a 360 degree service, called "Internet job artifact. " It is nice because it is not just a question of brush platform, or a platform for exchange of learning, send a question posted there is always enthusiastic help of big brother, do not ask how do you know, do not say it also gives answered questions ...
say sentence digression, and become attached to the cattle off the network or because ... there PubMed Zhenti above it, brush to the ...
4, garlic passenger count
website: https://www.jisuanke.com/
meter garlic off this site may many people do not know, he can also brush the exam questions, the game will be held regularly, and then count off some intersection garlic is garlic participate meter passenger's "garlic meter road," the online game, also won T shirt, now it seems to have stood at home ...
so many years remember the reason for this site, because of concern over a year almost to his CEO, and is now being anti-off, indeed, to the surprise of the year ...
0x01 ACM contest version
PS: Although the title of this section for the ACM contest version, it is only because they engage in ACM school students used more, in fact, everyone can brush on the following questions in these sites, the quality and breadth of topics are first-rate, and men and women young and old.
ACM engage in a lot of time to know OJ (Online Judge), such as the following figure (of course, the actual number is certainly far more than these figures exhibited):
5, HDU
URL: http://acm.hdu.edu.cn /
Hangzhou Electric (Hangzhou University of Electronic Science and Technology), OJ is probably one of the most fire several OJ, and most ACMer should know (in fact, want to say to all the) Needless to say, very many games are in it, such as multi-annual summer school league, North Korea, Mongolia and other school teams will participate, does not want to know is impossible.
Now the question above about the amount of nearly 6k, there are many online title sequence of brush, brush the question guide, play with children interested in ...
6, POJ
URL: http://poj.org/
this is the introduction of hihocoder when mentioned POJ (Peking University Online Judge), the same as one of the most fire several OJ, it's settling time earlier, some of the topics in ancient times can be found in the above, the same POJ is also very famous, but also one of the earliest brush OJ question.
There are above 3k + the amount of questions, questions about POJ brush guide online is a lot, also welcome to play ...
7, SDUT
URL: https://acm.sdut.edu.cn/
This is the maximum number of open, brush title the highest number of OJ, brush the question is where the road begins - undergraduate alma mater SDUT of OJ platform. Although the school is not known, but Team to do something serious, there is the question the amount of nearly 3k above, and gradually increased, some more simple questions, it is suitable for brush title.
Welcome to registration, brush a lot of questions, training team for many years has been to uphold an open mind, welcome more exchanges ...
8, other OJ
finally comes with a number of other equally good platform OJ:
Domestic:
ZJU (Zhejiang University): HTTPS: // zoj. pintia.cn/home
USTC (USTC):http://acm.ustc.edu.cn/ustcoj/
FZU (Charms): http://acm.fzu.edu.cn/
HIT (HIT): http://acm.hit.edu.cn/
abroad :
URAL: 
LINK: https://www.spoj.com/
0x02 improve version
of this part of the recommendation of the site, very interesting, if you want to improve yourself, to experience the thrill of the game, it is highly recommended to try.
9, Codeforces
URL: https://codeforces.com/
codeforces has been dubbed the CF, is a Russian website, in English of course, eating. Here's a good game, a good subject, a very good player, referred to as "Miyoshi."
CF is the most attractive is that it was super cow batch of game system, each user has on CF Rating, that is, the game score, the new user defaults to 1500 points, each game will be simple calculations on your credit Save the above general game divided into four: Div1, Div2, Div3, EducationalDiv's game is generally based on integrating each integration period can only participate in the corresponding Div game, Div1 game is the hardest inside, big brother basically here. Educational Codeforces Round game is similar to ACM, immediately after the submission of the results.
But only if these are not really super, there is a more interesting is, CF game also provides a hack function, popular point that you look at the code submitted by other people, then you come up through the submission of special test cases then find the bug someone else's code, plus integral hack is successful, a lot of the game more fun to match wits in the hack and anti-hack in.
However, the domestic, the time difference and Russia, the general wanted to talk to most of the race after 11 pm, according to the foundation of two hours playing time, plus hack feedback and evaluation process, and then stimulate it, almost it's that night to explain, but lack the fun to outsiders. If you do not have time, the above title or be used to do their own, entitled super good quality, they can exercise their own.
10, Topcoder
URL:https://www.topcoder.com/
TopCoder is said to be the world's largest program website, and if so, then it can be understood that Top, Top of the coder Ah, this is basically not used, probably because they do not Top, can only look up to ...
think of it for reasons or because there is now every game is going to be sent to the mailbox, do not want to forget to ...
0x03 written after
though wanted to write something as easy as possible, do not let article looks too boring, but in the end still want to seriously say:
brush title not simply for the pursuit of the number of questions do
still want to learn the purpose
and apply their knowledge
Reference Links : https://mp.weixin.qq.com/s/-xjm3lyDUJREx40qZ7W_Uw