shivamsinghal1012's blog

Where to Practice Topic wise for Competitive Programming ?
By shivamsinghal1012, 4 years ago, In English

UPD — We are sorry for the inconvenience faced by all. Now Website is Live again. Keep Coding ON.

Hello Codeforces!

I hope all is well!

" Which website to practice? " is always a confusing question for us. I felt the same when i started Competitive Programming.

Not to Worry now , i have created a website named Codedigger which will solve this problem and boost your confidence in Competitive Programming.

How?

  • We have collected handpicked problems from top 4 coding platforms — Codeforces, Codechef, UVa and SPOJ , All at One Place.
  • A diversified List of Topics and before starting any topic you can also learn some amazing techniques on that topic through video editorials beforehand.
  • You can test your knowledge by a virtual contest based on a particular topic and a video editorials will also be provided so you won't get stuck and further learn new concepts.
  • You can also Practice Topic wise and Level wise in a Ladder Mode. (Formally, In a Ladder Mode you must solve all Easy Level Problems before being able to see next Problem) as well as in Normal Mode.

Do Register on http://codedigger.tech/ to get started.

Thanks to Codeforces API , uHunt API , SPOJ and Codechef. These all are amazing Platforms.

Feedback and Suggestions are always welcome.

Feel free to ask your doubt in Comments or Join our Whatsapp Group for doubts discussions.

Share this to your friends also if you find this helpful.

UPDATE : Up-solving Made Easier. Upsolving ~ Solving problems after the end of the contest. Most of us forgot to do that or leave thinking will solve it later. Now You can Check Problems to Upsolve from past contest whether Rated or Virtual at one place. Must do these Problems. It will help you to increase your Rating.

UPD2 : Now you can see all your unsolved questions at one place. Also You can sort it by Rating. You can Improve your Competitive Programming skills only if you will able to find your mistake in wrong attempted Problems.

Try It Now on Codedigger. If you have any issue, contact me.

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Comments Comments (64)
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4 years ago, # |
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Thanks for such a Wonderfull Website . It will save my time a lot and provided me a good set of problems topic-wise which I have been searching. Thanks again I loved it.

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4 years ago, # |
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I found this website really helpful to boost my progress in competitive programming. Great problem set for practice.

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4 years ago, # |
  Vote: I like it +78 Vote: I do not like it

I always used to think:

Codedigger = someone who fakes romantic interest in you to learn coding from you

Like you know, as in golddigger

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4 years ago, # |
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Best website to prepare for competitive coding and for progressing in contests.

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4 years ago, # |
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Thanks, Helped a lot!!

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4 years ago, # |
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Great work. Thank you.

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4 years ago, # |
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I was stuck with this problem from long. Thanks for the website. Here I can practice all good questions topicwise.

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4 years ago, # |
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Thanks for such an amazing website which have been helping cp community. A best thing about the website is that the question is arranged topic wise and level wise which help me a lots.

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4 years ago, # |
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UI is very good!

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4 years ago, # |
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Nice initiative !!

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4 years ago, # |
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It is a wonderful intiative. You guys are doing a really fantastic job. Kudos!

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4 years ago, # |
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It is such a great and useful website. The selection of questions are very good, it gives overall exposure of the topic and gives an idea of different kinds of problems that can be made from a topic. It also has level wise problems which is again very useful when it comes to increasing the level of practice questions. thankyou so much for this, you did a great job

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4 years ago, # |
← Rev. 2   Vote: I like it +7 Vote: I do not like it

I didnot find any option for virtual contest.Is it available in your website or you were just talking about virtual contest on codeforces?Please response.

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    4 years ago, # ^ |
      Vote: I like it -27 Vote: I do not like it

    Scam !!!

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      4 years ago, # ^ |
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      Can you please tell me , what is the problem you are facing , so that you like this is something kind of scam ? Is Providing new features in free of cost is a Scam? I 'm trying to help CP Community , if you don't try my website , don't give a Feedback.

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    4 years ago, # ^ |
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    When you start any ladder or practice topicwise , such as array , strings , Number Theory . You will find a codeforces contest link below this. You can start this contest virtual. This contest will based on a particular Topic only.

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4 years ago, # |
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Ladders and Practice option doesn't work.Fix this

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    4 years ago, # ^ |
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    Can you please tell me ,what is the problem you are facing with your username. If you can show me any screen shot or something else. Please share . We will sure fix if there is any bug.

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      4 years ago, # ^ |
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      When I press ladders or Practice Option,link doesn't work.Dashboard and feedback option does work though.

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        4 years ago, # ^ |
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        When you press Ladder or Practice option , you will get two options , One is Topic wise and Level Wise. You can click on these options. If these options are not showing to you , then you are halting the browsers to load, please wait to load completely , as these options are working fine for others. Topicwise Ladders — http://codedigger.tech/ladders/topicwise

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4 years ago, # |
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It is showing a problem unsolved which is already solved.

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    4 years ago, # ^ |
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    Can you please tell me what is the problem you are trying to solve and your username. There are many possibilities , we will sure help you with this.

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4 years ago, # |
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just curious which tech-stack did u use for this project

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    4 years ago, # ^ |
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    LEMP , Laravel/ Linux + EngineX , My SQL , PHP . Very powerful ig for building websites from scratch and fast also.

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4 years ago, # |
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I can't visit the ladders and practice sections, the buttons seem inactive. I have registered with the same username, please fix this issue. shivamsinghal1012

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    4 years ago, # ^ |
    ← Rev. 4   Vote: I like it 0 Vote: I do not like it

    They are working fine just click on them, and two options will pop out. Please wait to load page. If not please ping me at my whatsapp number 9582256967, i will send you the photos and other details if required or join the group with the link provided in blog. Always ready to Help!

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4 years ago, # |
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where can you find 4-7 contests a week?

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4 years ago, # |
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One suggestion, please include the div and problem number(A, B, C..) in problem name in case of codeforces problems. It would be easier for people to practice according to their current level. Opening every problem and then seeing this information becomes tedious

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    4 years ago, # ^ |
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    You can practice level wise Ladder or Practice level Wise where Questions are already divided into A B C D like wise level in Topic Wise Problems are already sorted according to difficulty

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    4 years ago, # ^ |
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    Thanks shivam011 , he explained well , one more point i want to add is if you know the difficulty of any problem , say 8/10 difficult, mindset of an average person will say i can not solve this without trying. That is wrong , but in topicwise , problems are sorted difficulty wise , this will help you more.

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4 years ago, # |
  Vote: I like it +2 Vote: I do not like it

"top 4 coding platforms — Codeforces, Codechef, UVa and SPOJ" Where the heck is Open Cup, Atcoder, and Topcoder?

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    4 years ago, # ^ |
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    I am trying to include Atcoder also , top 4 means one of top coding sites. I know these sites are better than some of these sites. If we see Indian Users , they mainly use these 4 sites.

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4 years ago, # |
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Nice Initiative!! A good website to practice your coding skills and improve yourself.

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4 years ago, # |
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Commenting on this so that this amazing tool can jump back into recent actions and more people know about it.

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4 years ago, # |
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I have not found any video editorial. Have you published it yet? Or will you publish it later?

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    4 years ago, # ^ |
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    Video Editorial on site is available for the contests we conduct. If you got to topic wise practice such as Array , String , Number Theory, you will find it there. If you want video editorial for recent codeforces contest, go to codealittle youtube channel. If you want to learn , then video lectures is also available. Just move to topic wise practice and click on topic , like array , number theory , and you will find a playlist below the page.

    Hope this will help you.

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4 years ago, # |
← Rev. 3   Vote: I like it +3 Vote: I do not like it

As a suggestion, you should also add cp-algorithms in your blog. It is not a coding platform but has links that direct to various platforms that you have mentioned. This site has an amazing collection of everything for competitive coding in a very ordered manner along with tutorials and questions.

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4 years ago, # |
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Awesome initiative! But in upsolve section I am able to see the tag and rating of problems, I am not sure if it's a good idea to display it, as the rating may discourage the participant and tag may give away key ideas.

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4 years ago, # |
  Vote: I like it +5 Vote: I do not like it

Yes, the website was great till yesterday, it's not working now. If you are working at this scale please ensure at least to renew the domain of the website on time.

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4 years ago, # |
← Rev. 2   Vote: I like it 0 Vote: I do not like it

shivamsinghal1012 kindly fix the issue

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    4 years ago, # ^ |
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    Working on that only. Website will be okay soon. Sorry for the inconvenience faced by all.

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4 years ago, # |
  Vote: I like it +1 Vote: I do not like it

Awesome work done for the coding community!

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3 years ago, # |
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It shows that WhatsApp group is full.

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    3 years ago, # ^ |
      Vote: I like it +4 Vote: I do not like it

    shivamsinghal1012 it is showing go online to visit this site

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      3 years ago, # ^ |
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      Hi, Sorry for late reply. Is it fix now, or same issue ? Can you please check ?

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        3 years ago, # ^ |
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        The delete button in the mentor list does not work. Also, it seems filter by mentor does not work. Its a very idea good idea though.(I tried putting some handles correctly and checking a few problems if my friend also submitted)

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          3 years ago, # ^ |
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          Sorry for this. Actually this is a small bug, which we are trying to solve. Delete button works fine, but you have to refresh page for changes.

          The main idea is that problem would be solved by any one of your mentor in the list. Also to confirm this, make sure you're friend with all your mentor on codeforces. If that is not happening, you can reply to this comment with your username, and problem id. Thanks.

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            3 years ago, # ^ |
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            sankalpshubham is my username on Codedigger . Yes, i realized the deletion is working fine. Added again only one friend but almost no problem after filtering are solved by my friend. If you want more details, maybe dm on CF. (I also have your contact number)

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              3 years ago, # ^ |
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              Hope you'll not mind sharing the following details on whatsapp —

              Your Friend Codeforces Username. And the Problem which filter provide you and not solved by your friend/mentor.

              Thanks for your cooperation. Sorry for our inconvenience.

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3 years ago, # |
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The Whatsapp group is full!

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3 years ago, # |
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bro the website is really great ,but there is a bug... when ever we try to click on next page option in ladder or practice section ,we are not able to click it. The option goes to solve a problem(the last on page) or to move directly to last page .PLEASE fix it bro ..,because it really goes irritating

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3 years ago, # |
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It doesn't unlock the next problem even if I solved the problem before.

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    3 years ago, # ^ |
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    Hi, Can you please tell me your codedigger username and the problem you solved which is not updated.

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      3 years ago, # ^ |
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      Username- Faiaz Problem- Balanced tunnel.

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        3 years ago, # ^ |
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        Sorry for the late reply, but we are trying to figure out the bug.

        Now it will this problem unlock to you.

        Again sorry for this inconvenience.

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3 years ago, # |
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if a problem is already solved earlier ,its is saying to solve it again to unlock next problem

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    3 years ago, # ^ |
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    Can you please tell me the ProblemCode and your Username? Sorry for the inconvenience faced by you.

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3 years ago, # |
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website is not working , anyone have any alternatives website

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