Topics Problems - Codeforces

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Good Day to you!

While a lot of us, when he begins to start competitive programming he found difficult to found problems on some topics in the beginning to practice of it, and same thing for a lot of ICPC Communites that they have started.

These are some topic not advanced and videos, problems and articles on them.

STLS

Number Theory

Math

Recursion

Backtracking

Graph

Dynammic Programming

Ordered Set

Sorry for my poor english.

Комментарии (48)

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Baaaraa

3 года назад, # |

Thanks for sharing this!

→ Ответить

7oSkaaa

3 года назад, # ^ |

you're welcome

Mi.Lord

Thanks for 'Recursion'!

M.Elkholy972002

thanks

phatdapchai

Wow! So convenient. Thanks a lot!

Salma.Khaled

I can't access the Modular Arthmetics problems

Join to the group first:

https://codeforces.net/group/MWSDmqGsZm

H-i-M-A

Good job bro ❤️

Thanks bro ❤️

Ammar_Hammad

Are these problems introduced to people who struggled with B problems ?

I think that

ExplodingFreeze

I'd mostly agree with you, but the last 4 topics have almost zero chance of ever appearing in a Div2B problem due to the pre-requisite knowledge required.

If a problem requires Graphs or Dynamic Programming, nearly all problem setters and coordinators will not even consider putting it at any position less than Div2C. The same is true for SegTree or Ordered Set and Div2D.

Disclaimer: I've only looked at the topic headings, not the actual problems, so I can't be 100% sure about the difficulty of the problems you've linked on these topics and am just assuming they're not too tough. Its certainly possible to set problems that are at the Div2F level or even higher using just one or two of these topics.

Also, in my opinion just solving problems that are moderately difficult for you is a decent way of finding stuff that you need at your level that you don't know.

I agree with you completely, the last four topics will be Div2 C or Div2 D, but not difficult for anyone who study these topics they are not hard and not easy, If anyone wants to train on these topics they will help them.

_Mahmoud_Ayman

thank you very much

ashish3108

Hey ,

In case of graph sheets, do you have solutions or hints somewhere written so that we can refer to, in case of a difficulty.

You can search on the name of the problem and get the original problem from the original contest and read the tutorial.

Abdelmagid_awad2021

Thank you bro

SinYita

Thanks for your sharing (≧∇≦)ﾉ

Singinginginging

Thanks (≧∇≦)

turzo_sawroop

Currently I don't prefer topic-based practice anymore.It's better to do just randomly

If you don't know 50% of these topics, you will be stuck in solving most of the problems, they will help you to practice on a specific topic to be good at it, but after that, you must practice in blind style to know how to solve the problem with which topic.

I learnt 100% of the topics by solving blindly

in STL sheet last problem ( LLPS problems ) I am not allowed to access this sheet

Try this:

https://codeforces.net/gym/323462

khalid10

when I click this link it says I am not allowed to view this contest.

Try this STLs Sheet

parasNAGPAL99

superb , thanks a lot sir

NKTORG

Thank you very much for what you give us, this will help us a lot, thanks for your effort, keep on being the best. I support you very much and wish you every success.