You can't jump to the middle. To find the 50th item, you have to start at #1 and follow the chain 50 times ( O(n) ). Hash Tables (Objects/Dictionaries): The Speed Demon
Imagine a parking lot with 100 spots, numbered 1 to 100. Common Sense Guide To Data Structures And Algorithms- A
In Scenario B, you must look at the first name, then the second, then the third. On average, you will look at 500,000 names before you find your target. You can't jump to the middle
That’s it. That’s 90% of practical DSA. then the second
You don't need a PhD to master data structures and algorithms. You just need to ask: