Topic 07 — Monotonic Stack
Finished Fri, Aug 28, 2026, 3:52 PM ET: all 2 core problems closed, 2 problems closed that day.
Scheduled: Fri Aug 28, 2026 · Phase: Phase I — Linear Structures · Topic: #9 · Builds on: Topic 6
Closed Aug 28 — the day the topic finished
| Issue | Problem | Set | Difficulty | Closed (ET) | Solution |
|---|---|---|---|---|---|
| #72 | LC 739 · Daily Temperatures | core | medium | Aug 28 | py · docs |
| #73 | LC 853 · Car Fleet | core | medium | Aug 28 | py · docs |
Open at release
| Issue | Problem | Set | Difficulty | Closed (ET) | Solution |
|---|---|---|---|---|---|
| #74 | LC 496 · Next Greater Element I | optional | easy | — | — |
| #75 | LC 901 · Online Stock Span | optional | medium | — | — |
| #76 | LC 84 · Largest Rectangle in Histogram | deferred | hard | — | — |
| #211 | LC 42 · Trapping Rain Water | deferred | hard | — | — |
20260828.195254.000000000 is timever for the UTC instant the core set completed; it tags 7384a33, the last main commit before it.