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Problemset

52 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
2159E	Super-Short-Polynomial-San math meet-in-the-middle	3500	1.3k
2155F	Juan's Colorful Tree data structures dfs and similar dsu graphs meet-in-the-middle trees	2800	745
2002G	Lattice Optimizing bitmasks brute force hashing meet-in-the-middle	3400	292
1982E	Number of k-good subarrays bitmasks brute force combinatorics divide and conquer dp math meet-in-the-middle	2300	1.9k
1958I	Equal Trees *special graphs meet-in-the-middle	3100	53
1840G1	In Search of Truth (Easy Version) constructive algorithms interactive math meet-in-the-middle probabilities	2200	2.9k
1840G2	In Search of Truth (Hard Version) constructive algorithms interactive math meet-in-the-middle probabilities	2500	1.2k
1801F	Another n-dimensional chocolate bar dp math meet-in-the-middle number theory	2700	758
1800F	Dasha and Nightmares bitmasks hashing meet-in-the-middle strings	1900	4.9k
1779H	Olympic Team Building brute force meet-in-the-middle	3500	175
1767E	Algebra Flash bitmasks brute force dp graphs math meet-in-the-middle trees	2500	1.3k
1709F	Multiset of Strings bitmasks brute force dp fft flows graphs math meet-in-the-middle trees	2500	729
1698G	Long Binary String bitmasks math matrices meet-in-the-middle number theory	2900	397
1609F	Interesting Sections data structures divide and conquer meet-in-the-middle two pointers	2800	1.1k
1601F	Two Sorts binary search dfs and similar math meet-in-the-middle	3400	309
1593F	Red-Black Number dfs and similar dp implementation math meet-in-the-middle	2100	2.7k
1569E	Playoff Restoration bitmasks brute force hashing implementation meet-in-the-middle	2600	901
1558E	Down Below binary search dfs and similar graphs greedy meet-in-the-middle shortest paths	3000	726
1536F	Omkar and Akmar chinese remainder theorem combinatorics constructive algorithms fft games geometry math meet-in-the-middle string suffix structures	2600	1.2k
1423L	Light switches meet-in-the-middle	2600	659
1326F1	Wise Men (Easy Version) bitmasks brute force dp meet-in-the-middle	2600	1.1k
1266H	Red-Blue Graph dp graphs math matrices meet-in-the-middle	3400	144
1263C	Everyone is a Winner! binary search math meet-in-the-middle number theory	1400	14.7k
1257F	Make Them Similar bitmasks brute force hashing meet-in-the-middle	2400	2.4k
1249C2	Good Numbers (hard version) binary search greedy math meet-in-the-middle	1500	13.6k
1221G	Graph And Numbers bitmasks brute force combinatorics dp meet-in-the-middle	2900	988
1192C	Cubeword *special brute force dp meet-in-the-middle	unrated	371
1105E	Helping Hiasat bitmasks brute force dp meet-in-the-middle	2200	2k
1043D	Mysterious Crime brute force combinatorics math meet-in-the-middle two pointers	1700	4.8k
1006F	Xor-Paths bitmasks brute force dp meet-in-the-middle	2100	7.2k
995E	Number Clicker divide and conquer graphs meet-in-the-middle number theory	2700	977
912E	Prime Gift binary search dfs and similar math meet-in-the-middle number theory two pointers	2400	2.1k
888E	Maximum Subsequence bitmasks divide and conquer meet-in-the-middle	1800	9.6k
865F	Egg Roulette bitmasks brute force divide and conquer math meet-in-the-middle	3300	81
839E	Mother of Dragons brute force graphs math meet-in-the-middle	2700	1.1k
799D	Field expansion brute force dp meet-in-the-middle	2100	2.3k
769D	k-Interesting Pairs Of Integers *special bitmasks brute force meet-in-the-middle	1700	2.6k
765G	Math, math everywhere brute force dp math meet-in-the-middle number theory	3200	119
643F	Bears and Juice dp math meet-in-the-middle	2900	894
585D	Lizard Era: Beginning meet-in-the-middle	2300	2.1k
552C	Vanya and Scales brute force dp greedy math meet-in-the-middle number theory	1900	5.9k
534F	Simplified Nonogram bitmasks dp hashing meet-in-the-middle	2400	556
525E	Anya and Cubes binary search bitmasks brute force dp math meet-in-the-middle	2100	4.4k
515B	Drazil and His Happy Friends brute force dsu meet-in-the-middle number theory	1300	7.8k
513G1	Inversions problem brute force dfs and similar dp meet-in-the-middle	1800	1.9k
490D	Chocolate brute force dfs and similar math meet-in-the-middle number theory	1900	2.3k
478E	Wavy numbers brute force dfs and similar meet-in-the-middle sortings	2900	257
468E	Permanent dp graph matchings math meet-in-the-middle	3100	472
457A	Golden System math meet-in-the-middle	1700	1.4k
327E	Axis Walking bitmasks combinatorics constructive algorithms dp meet-in-the-middle	2300	1.6k
285D	Permutation Sum bitmasks combinatorics dp implementation meet-in-the-middle	1900	1.7k
45D	Event Dates greedy meet-in-the-middle sortings	1900	2k

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