DSAMotivator

Bit Manipulation

XOR tricks and bit math: the problems that look like magic until they don't.

The idea

The full written guide for Bit Manipulationis on its way. The practice progression below is live — it's the same curated, ordered list our users work through inside the app.

Practice progression

In this order, on LeetCode. Each one adds a wrinkle the previous one didn't have.

  1. 1#136 Single NumberEasy
  2. 2#191 Number of 1 BitsEasy
  3. 3#338 Counting BitsEasy
  4. 4#190 Reverse BitsEasy
  5. 5#268 Missing NumberEasy
  6. 6#371 Sum of Two IntegersMedium
  7. 7#67 Add BinaryEasy

Knowing the pattern is half the job. Showing up daily is the other half.

DSAMotivator tracks this exact progression — with streaks, XP, and a map that fills in as you go.

Start free — 7 days