combinatorics - Problem Set

ID	Problem Show tags Hide tags	AC / Tried	Difficulty
9279	P1976D Invertible Bracket Sequences binary search combinatorics data structures divide and conquer implementation two pointers	0 / 0	(None)
9278	P1976E Splittable Permutations combinatorics data structures dfs and similar greedy math trees	0 / 0	(None)
9371	P1979C Earning on Bets binary search combinatorics constructive algorithms number theory *1200	0 / 0	4
9363	P1982E Number of k-good subarrays bitmasks brute force combinatorics divide and conquer dp math meet-in-the-middle *2300	0 / 0	8
9357	P1983E I Love Balls combinatorics math probabilities	0 / 0	(None)
9351	P1984C2 Magnitude (Hard Version) combinatorics dp greedy math *1700	0 / 0	5
9346	P1984H Tower Capturing combinatorics dp geometry *3300	0 / 0	10
9341	P1985E Secret Box brute force combinatorics math *1200	0 / 0	4
9339	P1985G D-Function combinatorics math number theory *1600	0 / 0	5
9330	P1986G1 Permutation Problem (Simple Version) binary search brute force combinatorics data structures math number theory *2200	0 / 0	8
9387	P1988F Heartbeat combinatorics dp fft math	0 / 0	(None)
9314	P1989E Distance to Different combinatorics dp math *2300	0 / 0	8
9380	P1992G Ultra-Meow combinatorics dp math *2000	0 / 0	7

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