Today is amazing sunny day in Dublin.
But I am oncall🥲
Not that I would go out even if I am not oncall, but still😆

Not a marketing, I'm not making money out of any my public resources/websites/apps, just can be useful as it was for me if you are working with network/traffic or you are SRE

Everyone can do it within 10-20 mins, but in case you don't want to spend claude tokens on it, here you go: https://tools.andreyka26.com/ip-checker

Daily (274/373 streak until LC cap)

Good reminder for DP pattern, not hard tbh, go and collect the coin.

https://leetcode.com/problems/maximum-number-of-jumps-to-reach-the-last-index/description/?envType=daily-question&envId=2026-05-10

#daily #medium

Daily (275/373 streak until LC cap)

Easy problem without any pattern pretty much. Go and collect the coin it is 2 minutes problem

https://leetcode.com/problems/separate-the-digits-in-an-array/description/?envType=daily-question&envId=2026-05-11

#daily #easy #nopattern

Let me share the pain, and tell you HOW NOT to do software engineering.

Skill number1 you should have over your service: being able to quickly understand that some specific merge to master/main is in some deployment or no.

Typical application: you merged some fix pr that changes behaviour, you have 20+ deployments that are deployed incrementally, and you want to know whether this specific fix is in the deployment you are interested in (lets say some oncall has paged you and moved to bridge call asking this q).

Usually you have 2 things:
- metric that reports version per deployment
- tag WITH THIS version on the main branch that represents the state of code that got deployed.
These 2 MUST be easily correlated. So version on the dashboard and version on the tag must be either the same or easily derivable.

Now imagine, somebody created a service, that has version coming hell knows from where, git tags that contain completely different numbers and words comparing to version in dashboard, and here you go: some guy is asking you: can we check this thing is deployed to region X?

Guess how much time I spent to confirm it?
Did I confirm 100% in the end?
I as AI successful in helping answer these questions(has access to docs and git)?
🤡🤡🤡🤡🤡

I’ll be honest, sometimes I feel warm nostalgic feeling to Epam and other outsource companies. Maybe I was lucky, but typically I had so small projects that I could have context ABOUT WHOLE project at a time.
You know everything e2e, you have FULL mental model in your mind.

I didnt have this feeling for 5 years now😆

Daily (276/373 streak until LC cap)

The easiest "hard" problem implementation I have ever seen. Good problem, a bit hard to come up with intuition: check discussion tab.

My advice: try to think greedy: which task to process the first and what you want to have as the first task

https://leetcode.com/problems/minimum-initial-energy-to-finish-tasks/description/?envType=daily-question&envId=2026-05-12

#daily #hard #nopattern

Daily (277/373 streak until LC cap)

Pretty hard problem, should be hard definitely. And solution is pretty unintuitive.

https://leetcode.com/problems/minimum-moves-to-make-array-complementary/description/?envType=daily-question&envId=2026-05-13

#daily #medium #pattern

Daily (278/373 streak until LC cap)

For some reason didn't go from the first try for me today XD, maybe too much work at Snowflake.. But in general it is pretty easy

https://leetcode.com/problems/check-if-array-is-good/description/?source=submission-noac

#daily #easy

All this time I was trying to understand how vibe coding feels like to me and in general how my working day looks like.

Pretty accurate

Daily (279/373 streak until LC cap)

Today solid, good problem in first 200 Leetcode problems. Nice to recall binary search. Not that easy, requires to "go through examples" a bit.

https://leetcode.com/problems/find-minimum-in-rotated-sorted-array/description/?envType=daily-question&envId=2026-05-15

#daily #medium #pattern

Daily (280/373 streak until LC cap)

Actually can be solved with bruteforce with one line, but the solution is expected to be better than that.

https://leetcode.com/problems/find-minimum-in-rotated-sorted-array-ii/description/?envType=daily-question&envId=2026-05-16

#daily #hard #pattern

This guy waits for me every night, to have proper dinner

Yeeeeah instagram realized in 1-2 years I am done, and will need a switch. I clicked, no jokes

Daily (281/373 streak until LC cap)

Amazing problem, pretty easy to solve, and has well known pattern.

https://leetcode.com/problems/jump-game-iii/description/?envType=daily-question&envId=2026-05-17

#daily #medium #pattern