Topic 05 — Binary Search
Finished Wed, Aug 26, 2026, 3:26 PM ET: all 5 core problems closed, 2 problems closed that day.
Scheduled: Wed Aug 26, 2026 · Phase: Phase I — Linear Structures · Topic: #7 · Builds on: ordered / monotonic invariants
Closed Aug 26 — the day the topic finished
| Issue | Problem | Set | Difficulty | Closed (ET) | Solution |
|---|---|---|---|---|---|
| #61 | LC 74 · Search a 2D Matrix | core | medium | Aug 26 | py · docs |
| #62 | LC 153 · Find Minimum in Rotated Sorted Array | core | medium | Aug 26 | py · docs |
Closed earlier
| Issue | Problem | Set | Difficulty | Closed (ET) | Solution |
|---|---|---|---|---|---|
| #58 | LC 704 · Binary Search | core | easy | Aug 24 | js · docs |
| #59 | LC 875 · Koko Eating Bananas | core | medium | Aug 24 | js · docs |
| #60 | LC 33 · Search in Rotated Sorted Array | core | medium | Aug 24 | js · docs |
Open at release
| Issue | Problem | Set | Difficulty | Closed (ET) | Solution |
|---|---|---|---|---|---|
| #63 | LC 35 · Search Insert Position | optional | easy | — | — |
| #64 | LC 162 · Find Peak Element | optional | medium | — | — |
| #65 | LC 34 · First & Last Position | optional | medium | — | — |
| #66 | LC 4 · Median of Two Sorted Arrays | deferred | hard | — | — |
20260826.192603.000000000 is timever for the UTC instant the core set completed; it tags 1b5bdc4, the last main commit before it.