Big-o-notation Memes

Posts tagged with Big-o-notation

Time To Grind Sorting Algo

Time To Grind Sorting Algo
Watching an algorithm tutorial at 4:55 AM while chugging water and flexing is apparently the secret sauce to passing technical interviews. Nothing says "I'm committed to understanding QuickSort" like bicep curls at dawn. The duality of programming: one minute you're watching a mild-mannered instructor explain Big O notation, the next you're transformed into a hydrated code warrior ready to battle merge sort with your bare hands. This is what they mean by "grinding leetcode" – literal physical preparation for the mental marathon ahead. Somewhere between desperation and dedication lies the path to algorithm enlightenment.

Developer Said The Map Had O(0) Complexity And A Simple If-Else Would Have O(2) Complexity...

Developer Said The Map Had O(0) Complexity And A Simple If-Else Would Have O(2) Complexity...
Oh, the mythical O(0) complexity! This is like claiming your code runs before you even write it. And O(2)? I guess that's twice as fast as O(1) and half as fast as O(4)? 🤦‍♂️ What we're seeing here is a beautiful map lookup with constant time complexity - that's O(1) for those keeping score at home. Meanwhile, our "complexity expert" is probably the same person who thinks adding more if-statements makes the code run faster because "the computer has more options to choose from." Next week: the same developer discovers the revolutionary O(-1) algorithm that finishes before it starts!

Time To Grind Sorting Algo

Time To Grind Sorting Algo
The duality of algorithm study: watching an 84-video playlist at 4:55 AM while chugging water and flexing. Because nothing says "I'm mastering QuickSort" like staying hydrated and maintaining optimal bicep circumference. The algorithm grind doesn't care about your sleep schedule—only that your code runs in O(n log n) instead of O(n²). Dedication is watching lecture #47 while your body is simultaneously ready for both a coding interview and a bodybuilding competition.

Oh The Irony: Tech's Double Standards

Oh The Irony: Tech's Double Standards
The tech industry's selective standards are painfully real. They'll reject a fresh grad for not implementing some theoretical O(n) algorithm they'll never use again, but will happily throw billions at AI models running on brute-force compute that would make any algorithm professor have an existential crisis. For those who don't know, O(n) refers to linear time complexity - basically how efficiently an algorithm scales. Companies obsess over this in interviews then proceed to ignore efficiency completely when it comes to their shiny new toys. Next time you're rejected for not optimizing a binary tree traversal fast enough, just remember - somewhere a data center is melting the polar ice caps to generate a cat picture.

Marge Sort

Marge Sort
A brilliant algorithm visualization using Marge Simpson's iconic blue hair as the sorting key! This is a perfect pun on "Merge Sort" (a divide-and-conquer sorting algorithm with O(n log n) complexity) replaced with "Marge Sort" - where Marge Simpson heads are recursively divided into smaller subgroups, sorted by hair height, and then merged back together in proper ascending order. Notice how the algorithm perfectly maintains stability - Marges with the same hair height maintain their relative positions. Sorting has never been so... hair-raising .

My Ability To Think Slow

My Ability To Think Slow
The interviewer asks for a simple array sort of just 0s, 1s, and 2s (literally the easiest sorting problem ever), and this poor soul immediately jumps to Bubble Sort—the algorithmic equivalent of using a sledgehammer to hang a picture frame. For the uninitiated, this is a classic interview problem with a O(n) solution—just count occurrences and rebuild the array! But under pressure, our brain defaults to the first sorting algorithm we learned in CS101. The interviewer's face says it all: your grandma with a walker would cross the finish line before your O(n²) bubble sort even gets halfway through. Nothing captures the interview panic spiral quite like forgetting that you're sorting just THREE UNIQUE VALUES while proposing an algorithm from the stone age of computing.

The L1 Cache Wardrobe Architecture

The L1 Cache Wardrobe Architecture
Justifying bedroom chaos with computer architecture terminology? Pure genius! The developer is explaining that their chair isn't cluttered with random clothes—it's actually a sophisticated L1 cache system providing O(1) constant time access to frequently worn items. Just like how CPUs use small, fast L1 caches to avoid expensive trips to main memory, this engineer needs their clothing heap to avoid the dreaded "cache miss" of digging through the closet. The bigger the pile, the better the hit rate! Next time your mom complains about your messy room, just explain you're optimizing for minimum latency in your personal wardrobe microservice architecture.

An Efficient Algorithm

An Efficient Algorithm
Ah yes, the infamous "Stalin Sort" - where elements that don't fit the desired order simply... disappear. While Quicksort and Merge Sort are busy doing honest algorithmic work, Stalin Sort just executes any element that's out of place and moves on. No recursion, no partitioning, just cold, efficient elimination. O(n) performance guaranteed because dissenting elements aren't given a second chance. Probably not what they teach in CS classes, but hey, it technically produces a sorted array!

Schizo Sort Is Goated

Schizo Sort Is Goated
OH. MY. GOD. This is the most REVOLUTIONARY sorting algorithm of our time! 💀 Who needs bubble sort or quicksort when you can just HALLUCINATE your sorted data?! The audacity of this function to claim O(0) time complexity while literally DELETING your original data and returning a completely made-up sorted list! It's the computational equivalent of "I don't like reality so I'm creating my own." Computer science professors EVERYWHERE are having simultaneous heart attacks. But hey, technically it's the fastest sorting algorithm in existence since it doesn't actually sort ANYTHING! Pure. Evil. Genius.

University Lied: It Was Space Complexity All Along

University Lied: It Was Space Complexity All Along
The brutal moment when you realize your CS professor wasn't kidding about Big O notation. Four years of studying sorting algorithms only to discover that in the real world, the difference between O(n) and O(n²) is whether your AWS bill makes the CFO cry or not. Time complexity isn't just theoretical—it's financial complexity with extra steps!

Help I Think This Is A Sliding Window

Help I Think This Is A Sliding Window
OH. MY. GOD. This coding interview question is the FINAL BOSS of absurdity! 💀 They want you to find the meaning of life in an INFINITE array with O(log(🍆)) time complexity and NO EXTRA MEMORY?! Excuse me while I dramatically faint onto my keyboard! The eggplant emoji in the Big O notation is just the chef's kiss of ridiculousness. Like, sure honey, I'll just casually process infinity, find existential truth, AND do it with vegetable-logarithmic efficiency. All before lunch! The "return it anyway" if it doesn't exist part is the algorithmic equivalent of "just make something up if you don't know the answer." Pure chaos energy!

The Dictator's Guide To Efficient Sorting

The Dictator's Guide To Efficient Sorting
Oh, the brilliance of "StalinSort" - where elements that don't conform to the expected order simply... disappear . It's a historical algorithm joke that's both O(n) efficient and politically incorrect! The algorithm "eliminates" non-conforming elements rather than rearranging them, which is a dark reference to Stalin's purges where people who didn't fall in line were removed from society (and often from photos). Technically, it's not even a sorting algorithm - it's just filtering with dictatorial characteristics. The kind of code that would get flagged in a code review faster than you can say "comrade".