⏱️ Big O Notation
The first thing interviewers evaluate. Get this wrong = instant red flag.
The first thing interviewers evaluate. Get this wrong = instant red flag.
The meta-game of interviews. Technical skill + communication = success.
The gateway pattern to coding interviews. Master this first.
Know your tools before you build. This is your Big O reference for coding interviews.
Test your pattern recognition and algorithmic thinking
The O(log n) superpower - eliminate half the search space each step.
The pattern that separates senior from junior engineers in interviews.
The go-to pattern for subarray/substring problems.