Tanzim_bn's blog

Problem of the Year 2024
By Tanzim_bn, history, 3 hours ago, In English

As 2024 nears its end, let’s share the problems we enjoyed the most this year so far! Drop the problem name, link and what made it special (optional).

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3 hours ago, # |
  Vote: I like it +8 Vote: I do not like it

2044F - Easy Demon Problem Quite an interesting problem, looked really hard but had an easy mathematical solution (Do give it a try if you haven't).

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    44 minutes ago, # ^ |
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    Would you mind giving some hints about it?

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      6 minutes ago, # ^ |
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      Think about how you could decompose the query that you have been given into parts that you can correlate with the orignal input.

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2 hours ago, # |
  Vote: I like it +7 Vote: I do not like it

1933E. Xor-Grid Problem It demonstrates the magical nature of XOR operations, completing the missing rows and columns in an array.

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107 minutes ago, # |
  Vote: I like it +2 Vote: I do not like it

1919D — 01 Tree Everything fits so nicely together!

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86 minutes ago, # |
  Vote: I like it +3 Vote: I do not like it

1878F - Vasilije Loves Number Theory

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51 minute(s) ago, # |
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2029C - New Rating Although dp is easier to think here, the bin search solution is really satisfying.

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29 minutes ago, # |
  Vote: I like it 0 Vote: I do not like it

1843E — Tracking Segments binary search on the prefix sum!

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