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🏆 The solutions of all problems of today's contest — Codeforces Educational Round 172 (Div 2):

https://codeforces.com/blog/entry/136829

👥 For further discussion, you can join the discussion group:

https://t.me/+GUbLBTEzOZFjOTc0

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Codeforces

Codeforces Educational Round 172 (Div 2) — Video Tutorial

Note: The text editorials will be provided by the authors of the round. This video tutorial acts as an additional resource for those who prefer video over text, not as a substitute for the text editorial.

2.97K viewsedited 19:08

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Topic Stream This Week (Based on your suggestions in the comments)

[You can choose more than one]

Final Results

Centroid Decomposition

👍1

462 voters3.89K views00:06

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Topic Stream This Week (Based on your suggestions in the comments)

[You can choose more than one]

As of now, segment tree and binary search have received almost equal votes.

I personally think binary search is better to discuss first, as segment tree is a more advanced topic that needs to be discussed after easier topics will be discussed.

👍48🔥3

3.26K viewsedited 21:58

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Topic Stream This Week (Based on your suggestions in the comments)

[You can choose more than one]

Binary Search ✔️

The stream will be held on Friday at 8 AM my time (it is 13–15 GMT now). 👨‍💻

https://youtube.com/live/H_rbXjx1IjE

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YouTube

Binary Search, The Best Way to Implement and Solving 6 Problems - Topic Stream

In case you want to support my work:
https://buymeacoffee.com/shayan_jahan

You can watch all the topic streams in this playlist:
https://www.youtube.com/playlist?list=PLzDmwrrgE-UVnyEtA-_zuffIm3smCO2eA

For further discussion, you can join our community…

❤20

4.05K views21:58

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We will also have all the problems in a contest before the stream. 👨‍💻

The link to the Codeforces group:
https://codeforces.com/group/yeVhAfeK6s/contests

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❤8

3.67K views22:01

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No prior knowledge is needed. Tho I strongly recommend watching the previous streams. 👩‍🎓

All the previous topic streams:
https://www.youtube.com/playlist?list=PLzDmwrrgE-UVnyEtA-_zuffIm3smCO2eA

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❤10👍3

5.23K views22:04

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As I mentioned in the discussion group:

The problems will range from very basic to advanced levels (similar to Codeforces rounds) 👨‍💻

👩‍💻

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👍9

5.6K views22:30

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I'm planning to make some videos for you.
What type of video do you prefer?

Examples: Guideline videos, Topic-wise videos and algorithms, Some specific tag, etc.

5.24K viewsedited 18:51

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The Binary Search contest is added to the Codeforces Group 🏅

https://codeforces.com/group/yeVhAfeK6s/contests

Friday 11 - 13 GMT ⏰

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🔥19

5.47K views05:30

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No prior knowledge is needed. Tho I strongly recommend watching the previous streams. 👩‍🎓 All the previous topic streams: https://www.youtube.com/playlist?list=PLzDmwrrgE-UVnyEtA-_zuffIm3smCO2eA

How do you rate today's topic stream?

Anonymous Poll

🔥17❤5👍2

514 voters6.83K views20:18

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Which one of these guideline videos you prefer? (You can choose multiple ones)

Anonymous Poll

56%

3 month: from newbie to rank 4th in div 2

49%

How to reach expert

26%

How to learn a new algorithm effectively

17%

The role of competitive programming in job interviews

20%

How I became an IGM

Suggest other topics in comments!

🔥35👍2❤1

972 voters7.66K views15:55

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??????????????'?,

💅67👍8❤4

6.55K views01:15

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??????????????'?,

Sorry guys 😂 This message was sent by mistake
Btw, I'm preparing the video you chose!

🔥44❤11😁7👍1

6.92K viewsedited 04:32

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It's time to be back, isn't it?
https://www.youtube.com/live/uZEe-vnolf8

🔥58👍9❤6

4.01K views23:51

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🏆 The solutions of all problems of today's contest — Codeforces Round 998 (Div 3):

https://codeforces.com/blog/entry/138580

👥 For further discussion, you can join the discussion group:

https://t.me/+GUbLBTEzOZFjOTc0

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Codeforces

Codeforces Round 998 (Div 3) — Video Tutorial

❤11👍1

4.53K views20:02

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So happy to see you guys again today 🫶

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❤41❤‍🔥8

4.12K views20:03