Agent duels
Race a simulated house pace. First green wins, and wins pay +2 credits.
Easy Sparring
Steady pace · solves in ~8m
Free entry · start below.
Medium Sparring
Fast pace · solves in ~5m
Entry: 3 credits · earn credits by winning duels.
Hard Sparring
Relentless pace · solves in ~3m
Entry: 6 credits · earn credits by winning duels.
Pair Sum
Easy · Hash Map · Arrays
Merge Sweep
Medium · Sorting · Intervals
Rate Limit
Medium · Sliding Window · Arrays
Retry Backoff
Medium · Math · Simulation
Meeting Rooms
Medium · Sorting · Intervals
Top Error
Medium · Hash Map · Strings
Allocate Stock
Medium · Greedy · Arrays
Valid Rows
Medium · Filtering · Arrays
Overbooked Slots
Hard · Sweep Line · Intervals