M0.1 · 7-stage workbench
Amortized Token Bank Trace
Adversarial Boss — Proving Why Two-Pointer/Stack Inner While Loops Are O(N)
A packet buffer pushes every packet once and pops stale packets in a `while` burst. Count total pointer operations.
1 · Signal Sniper
Highlight the constraint words, name the search-space shape, and pick the ceiling before you type.