Go Home
Levera

Start your DSA journey
with Levera

Practice coding problems, understand concepts deeply, and become a better problem solver.

OR
Already have an account?Sign In
Levera — Dry run01 / 03

Every step halves what's left to check.

3
8
14
21
27
33
41
52

mid = 21 — less than 41, discard the left half

Binary search · O(log n)