dsa1 min read
My Calendar I — Sorted Dict / Segment Tree
Book events without double-booking. Use sorted dictionary to find previous and next events; check overlap with both.
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Sorted-map
2 articles
dsa2 min read
Design a Leaderboard — Score Tracking with Top K
Design a leaderboard that tracks player scores, supports score additions, top K sum queries, and player resets using a hashmap with sorted aggregation.
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