LeetCode 3572. Maximize Y‑Sum by Picking a Triplet of Distinct X‑Values June 11, 2025 biweekly contest 158。
LeetCode 3578. Count Partitions With Max-Min Difference at Most K June 9, 2025 weekly contest 453。 最近難度分數標準大概也壞了,至少絕對不是 5 分中等題。
LeetCode 3577. Count the Number of Computer Unlocking Permutations June 9, 2025 weekly contest 453。 不知道是腦筋急轉彎,轉不太動。