1998A — Find K Distinct Points with Fixed Center
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1998B — Minimize Equal Sum Subarrays
Video
1998C — Perform Operations to Maximize Score
Video
1998D — Determine Winning Islands in Race
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1998E1 — Eliminating Balls With Merging (Easy Version)
Video
1998E2 — Eliminating Balls With Merging (Hard Version)
Video
video editorials on cf rounds. very nice.
i am getting wa on tc4 in d question :- used the same approach . is there any edge case? https://mirror.codeforces.com/contest/1998/submission/276423854