### blobugh's blog

By blobugh, 4 years ago,

Hello Codeforces!

We invite you to Codeforces Round 821 (Div. 2) starting on 19.09.2022 17:35 (Московское время). The round is rated for users whose rating is lower than 2100.

All problems were mainly created and prepared by me. One problem is revised by mejiamejia. I would also like to thank:

You will be given 5 problems with one subtask and 2 hours to solve them. The score distribution will be announced closer to the start of the round.

Good luck, and have fun!

UPD1: Score distribution is 50010001500 — ( 1500 + 750 ) — 2750.

UPD2: System testing has been finished. Congratulations to the winners!

Out of competition

Official participants

UPD3: Editorial is published.

• +404

By blobugh, 4 years ago,

Problem A is developed by mejiamejia.

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#### 1733E - Conveyor

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• +152

By blobugh, 4 years ago,

Hello Codeforces!

I'm glad to invite you to participate in Codeforces Round 665 (Div. 2) taking place on Aug/21/2020 17:35 (Moscow time). The round is rated for users whose rating is lower than 2100.

All problems were mainly created and prepared by me, and I'd also like to thank:

You will be given 6 problems and 2 hours to solve them. The score distribution will be announced closer to the start of the round.

Good luck, and have fun!

UPD1 : Score distribution is 50010001500175025002500.

UPD2 : Editorial

UPD3 : System testing has finished. We hope you enjoyed the contest :)

UPD4 : Congratulations to the winners!

Div.1 (Out of competition)

Div.2

• +717

By blobugh, 4 years ago,

Thank you for participating. I hope you enjoyed the contest!

1401A - Distance and Axis

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Solution Code
Behind Story

1401B - Ternary Sequence

Tutorial
Solution Code
Behind Story

1401C - Mere Array

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Solution Code
Behind Story

1401D - Maximum Distributed Tree

Tutorial
Solution Code
Behind Story

1401E - Divide Square

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Behind Story

1401F - Reverse and Swap

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Behind Story
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