---
changelog:
  category: Topic
  version: 20260929.210351.000000000
date: '2026-09-29T21:03:51Z'
seo:
  description: >-
    Finished Tue, Sep 29, 2026, 5:03 PM ET: all 3 core problems closed, 3
    problems closed that day. Scheduled: Tue Sep 29, 2026 · Phase: Phase V —
    Decision Space…
title: Topic 23 — Greedy
type: changelog
---
<!-- release-topics: #25 -->
Finished Tue, Sep 29, 2026, 5:03 PM ET: all 3 core problems closed, 3 problems closed that day.

**Scheduled:** Tue Sep 29, 2026 · **Phase:** Phase V — Decision Space · **Topic:** #25 · **Builds on:** Topic 21 — includes Kadane's

## Closed Sep 29 — the day the topic finished

| Issue | Problem | Set | Difficulty | Closed (ET) | Solution |
| --- | --- | --- | --- | --- | --- |
| #174 | LC 53 · Maximum Subarray | core | medium | Sep 29 | [py](https://github.com/prdlk/leetcode/blob/20260929.210351.000000000/work/1/Medium/Array/53.maximum-subarray.py) · [docs](https://lc.prd.lk/53) |
| #175 | LC 55 · Jump Game | core | medium | Sep 29 | [py](https://github.com/prdlk/leetcode/blob/20260929.210351.000000000/work/1/Medium/Array/55.jump-game.py) · [docs](https://lc.prd.lk/55) |
| #176 | LC 134 · Gas Station | core | medium | Sep 29 | [py](https://github.com/prdlk/leetcode/blob/20260929.210351.000000000/work/1/Medium/Array/134.gas-station.py) · [docs](https://lc.prd.lk/134) |

## Open at release

| Issue | Problem | Set | Difficulty | Closed (ET) | Solution |
| --- | --- | --- | --- | --- | --- |
| #177 | LC 45 · Jump Game II | optional | medium | — | — |
| #178 | LC 763 · Partition Labels | optional | medium | — | — |
| #179 | LC 122 · Best Time to Buy and Sell Stock II | optional | medium | — | — |
| #180 | LC 918 · Maximum Sum Circular Subarray | optional | medium | — | — |

---

`20260929.210351.000000000` is [timever](https://gist.github.com/twolfson/de1b004dd22536b8e668) for the UTC instant the core set completed; it tags fa74ade, the last main commit before it.