Yea, it is always a mess on my desk: wires, “booked” free snacks, “booked” bags of tea, docs, etc.

As once was written in meme - this is random access cache for performance optimization

You have probably noticed that there is no "daily" these 2 days. I will do them, for now just for streak I'm submitting the solution from the "editorial", but we will do them as it needs to next days.

This is because of a LOT of stuff I have to do these last days.

Daily (145 day streak)

Happy New Year. First problem in 2026, easy one.

https://leetcode.com/problems/plus-one/description/?envType=daily-question&envId=2026-01-01

#daily #easy

Happy New Year, folks, I am so happy to have you here, you are my motivation to keep going, make content, solve this Leetcode Daily thing, do a System design and so on.


Objectives for 2026.

- Solve leetcode daily for 6500 coins and get fucking leetcode cap

- Complete system design videos / articles, cover top 5-7 topics

- Fully complete articles and story behind leaving Microsoft, Google offer, and offer to company X (will tell you in one week)

- Successfully relocate to Ireland, fix health, at least check health properly 😅

- Publish my symptom journal app to App Store

Daily (143 day streak)
(daily for 30th of December)


Interesting problem more for analysis. You can go direct bruteforce and it will pass, but you will write cumbersome code. Or to analyse deeper and write simpler code

https://leetcode.com/problems/magic-squares-in-grid/description/?envType=daily-question&envId=2026-01-01

#daily #medium

Daily (144 day streak)
(daily for 31th of December)

Nice graph problem, good severity for problem.

https://leetcode.com/problems/last-day-where-you-can-still-cross/description/?envType=daily-question&envId=2026-01-01

#daily #hard

Okay, we cought up with leetcode daily. Hopefully will not miss much, cause yea, 2-3 dailys at the same day is a bit busy

Daily (145 day streak)

Easy problem, but can be a bit tricky for O(1) space complexity solution

https://leetcode.com/problems/n-repeated-element-in-size-2n-array/description/?envType=daily-question&envId=2026-01-02

#daily #easy

Dark market delivery for Dublin😎

In case fbi monitors this channel - it is not shooting, it is gift from girlfriend. But there were some questions before the gate😅

Today flying high as always

Bye bye Prague

Daily (147 day streak)

Today is hard dynamic programming problem, but it is not THAT hard for default DP approach, so try it.

https://leetcode.com/problems/number-of-ways-to-paint-n-3-grid/description/?envType=daily-question&envId=2026-01-03

#daily #hard

Daily (148 day streak)

Math bullshit. But can be trivially solved using very basic knowledge of multipliers.

https://leetcode.com/problems/four-divisors/solutions/?envType=daily-question&envId=2026-01-04

#daily #medium

Here we are, got the laptop already, setting stuff up, and tomorrow - first day

A lot of goods and that you just dont have in cz tesco express, eg, some sorts of teas, beef (all fucking shapes of beef), some sauces , etc
The only thing I am missing is buckwheat, and cacao. But I have meat, fuck buckwheat and fuck cacao😆