sudheerreddy14's blog

By sudheerreddy14, history, 2 months ago, In English

Share your favourite I will try solving them .

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2 months ago, # |
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This, and this.

Enjoy solving!

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1977C - Nikita and LCM beats them all

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1968F - Equal XOR Segments the best problem as i ever seen

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1800: C. A Mist of Florescence

Hint(not really)
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This is my personal list of fav problems, sorry but all problems are from 2000-2400 rating range but nonetheless they are great.

General Lesson

1993D - Med-imize

Lesson

1992G - Ultra-Meow

Lesson

2002D2 - DFS Checker (Hard Version)

Lesson

2002E - Cosmic Rays

Lesson

Find Kth smallest pair distance in an array: Leetcode HARD (but simple bs actually)

Lesson

2000G - Call During the Journey

Lesson:

2008H - Sakurako's Test

Lesson
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    2 months ago, # ^ |
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    thanks for sharing

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    2 months ago, # ^ |
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    I like your list. These are some questions that can be implemented within 10 minutes, if one gets the logic right.

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Nice idea for practice

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1600 1800 1600

Spoiler
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I think this one is a nice dp. https://codeforces.net/contest/446/problem/A

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Sorry, this one is out of the range, but It's one of the high quality problems that you would really enjoy thinking and reaching the solution all by yourself.

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thanks for this post <3

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Literally, 1937C - Bitwise Operation Wizard is the best one I've ever seen.

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1985G - D-Function. I read the formula they proved in the editorial after i solved it by generating some of the first numbers and learn the rules

And yes it works :) solving this problem is probably the best advancement i've made

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this aaaand this one

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the best problem I've ever solved on codeforces.

https://codeforces.net/contest/1284/problem/C

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Found this interesting. enjoy

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I would recommend looking for problems in this range on C2Ladders https://c2-ladders-juol.onrender.com

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1879D - Sum of XOR Functions
Found it very interesting and educational.

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some good problems are shared

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This one and This one both of them are really good the first is of DP and the second one is interactive

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https://codeforces.net/contest/1884/problem/C best observation problem i have seen

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7 weeks ago, # |
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an array is considered valid if there is no sovereign longer than B where all the elements are identical additionally the array can contains only integer from the range 1 to C determine the number of valid array of length a

Please solved this