DSA Factory
Curriculum
Level 5 · Interview mastery

Mixed sets

About 20 steps, from the first idea to a mastery test.

  1. Stage 0Set 1Free
    1. 1Balanced bits12 min
    2. 2Build a palindrome10 min
    3. 3Neighbours in value10 min
    4. 4Trains at the station12 min
  2. Stage 1Set 2Free
    1. 1Smallest word of distinct letters20 min
    2. 2Enough papers cited enough times12 min
    3. 3Cancel out20 min
    4. 4Unfold the brackets18 min
  3. Stage 2Set 3Free
    1. 1Robbing the tree20 min
    2. 2Schedule tasks with a cooldown22 min
    3. 3Widest container12 min
    4. 4Made of copies?10 min
  4. Stage 3Set 4Free
    1. 1Straighten the tree into a line18 min
    2. 2Pick the best team22 min
    3. 3Make every count different12 min
    4. 4Asteroid field18 min
  5. Stage 4Set 5Free
    1. 1Restore the address20 min
    2. 2Pigeons and holes14 min
    3. 3Sort the chain20 min
    4. 4Order by a score you compute10 min
Start freeTry a step first