JP Antunes articles - 17 total
Integer to Roman and back
I haven't posted in a while and now that my career took a U-turn back into the boardroom, I suppose i...
Number of Ways to Paint N × 3 Grid - a short saga
Today's Leetcode problem was a bit of a wormhole but I feel like my notes and the process to find the...
ransom note - updated
Given an arbitrary ransom note string and another string containing letters from all the magazines, w...
Compress a string such that 'AAABCCDDDD' becomes 'A3B1C2D4'
This seems to be a popular interview question that I stumbled upon in an Anki deck const compress =...
Idempotent vs Deterministic
Since I had to look it up more than once, here's a small reminder of the differences between the two...
First Missing Positive
Given an unsorted integer array, find the smallest missing positive integer. Note: Your algorithm sho...
Next Permutation
Today's Leetcode problem is quite interesting and, personally, I found the in-line array mutation tri...
Add two numbers
Leetcode time again! This one actually took me a bit. The problem description states we should sum...
Tiniest bubble sort on the net?
I stumbled on an older dev.to post by the great Greg Bullmash that I really liked because it triggere...
It's Friday, let's break an Integer with math!
Leetcode's Integer Break problem popped up in my mailbox today just before I had my morning coffee....
Valid Number
The valid number problem currently has the lowest acceptance rate of Leetcode at just 14.9%. That mus...
Render to Caesar the things that are Caesar's
The /r/portugal sub-reddit can be a surprising little place. Today someone asked if the message in th...
The largest number problem
Today I'm sharing a simple solution to the largest number problem on Leetcode. The problem statement...
Trapping rainwater... to entertain the kids
Having two amazingly bright children is my greatest blessing, and this lockdown is giving me the oppo...
12+ ways to Fibonacci
This morning I came across a great little paper showing twelve algorithms to compute Fibonacci number...
Funding social impact for fun and profit
It turns out that we can do more today to combat climate change than ever before. With ElectraSeed Fu...
JS warmup exercises... one-liner edition
There was a post I saw recently that promised a few minutes worth of entertainment... solving 30 java...