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Tanzim_bn's blog

Problem of the Year 2024
By Tanzim_bn, history, 2 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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2 hours ago, # |
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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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    20 minutes ago, # ^ |
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    Would you mind giving some hints about it?

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104 minutes ago, # |
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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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82 minutes ago, # |
  Vote: I like it +1 Vote: I do not like it

1919D — 01 Tree Everything fits so nicely together!

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62 minutes ago, # |
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1878F - Vasilije Loves Number Theory

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27 minutes 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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5 minutes ago, # |
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1843E — Tracking Segments binary search on the prefix sum!

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