Problemset - Codeforces

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bitmasks

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Problems

#	Name
1707F	Bugaboo bitmasks, constructive algorithms, dp, number theory	3500	x144
1450G	Communism bitmasks, dp, trees	3500	x233
1292F	Nora's Toy Boxes bitmasks, combinatorics, dp	3500	x302
1305G	Kuroni and Antihype bitmasks, brute force, dp, dsu, graphs	3500	x941
1097H	Mateusz and an Infinite Sequence bitmasks, brute force, dp, strings	3400	x93
865E	Hex Dyslexia bitmasks, brute force, dp, graphs	3300	x119
1804H	Code Lock bitmasks, dp	3300	x169
1523F	Favorite Game bitmasks, dp	3300	x398
1799H	Tree Cutting bitmasks, dfs and similar, dp	3200	x271
1519F	Chests and Keys bitmasks, brute force, dfs and similar, dp, flows	3200	x387
750G	New Year and Binary Tree Paths bitmasks, brute force, combinatorics, dp	3200	x440
1326F2	Wise Men (Hard Version) bitmasks, dp, math	3200	x463
1034E	Little C Loves 3 III bitmasks, dp, math	3200	x587
1103D	Professional layer bitmasks, dp	3100	x399
1225G	To Make 1 bitmasks, constructive algorithms, dp, greedy, number theory	3100	x521
1463F	Max Correct Set bitmasks, dp, math	3100	x552
1383C	String Transformation 2 bitmasks, dp, graphs, trees	3100	x560
1770F	Koxia and Sequence bitmasks, combinatorics, dp, math, number theory	3100	x613
1743G	Antifibonacci Cut bitmasks, combinatorics, constructive algorithms, data structures, dp, hashing, math	3000	x244
1299D	Around the World bitmasks, combinatorics, dfs and similar, dp, graphs, graphs, math, trees	3000	x417
582E	Boolean Function bitmasks, dp, expression parsing	3000	x475
1842H	Tenzing and Random Real Numbers bitmasks, dp, graphs, math, probabilities	3000	x560
1152F2	Neko Rules the Catniverse (Large Version) bitmasks, dp, matrices	3000	x593
232E	Quick Tortoise bitmasks, divide and conquer, dp	3000	x673
1342F	Make It Ascending bitmasks, brute force, dp	3000	x686
1616H	Keep XOR Low bitmasks, combinatorics, data structures, divide and conquer, dp, math	3000	x789
776G	Sherlock and the Encrypted Data bitmasks, combinatorics, dp	2900	x329
1392G	Omkar and Pies bitmasks, dfs and similar, dp, math, shortest paths	2900	x442
1713F	Lost Array bitmasks, combinatorics, constructive algorithms, dp, math	2900	x508
1221G	Graph And Numbers bitmasks, brute force, combinatorics, dp, meet-in-the-middle	2900	x519
1773G	Game of Questions bitmasks, combinatorics, dp, fft, math, probabilities	2800	x319
1327G	Letters and Question Marks bitmasks, dp, string suffix structures	2800	x403
83E	Two Subsequences bitmasks, dp	2800	x452
1152F1	Neko Rules the Catniverse (Small Version) bitmasks, dp, matrices	2800	x514
1322D	Reality Show bitmasks, dp	2800	x698
79D	Password bitmasks, dp, shortest paths	2800	x944
336E	Vasily the Bear and Painting Square bitmasks, combinatorics, dp, implementation	2700	x109
76C	Mutation bitmasks, dp, math	2700	x269
1730F	Almost Sorted bitmasks, data structures, dp	2700	x411
1728G	Illumination binary search, bitmasks, brute force, combinatorics, dp, math, two pointers	2700	x420
938F	Erasing Substrings bitmasks, dp, greedy	2700	x468
1789F	Serval and Brain Power bitmasks, brute force, dp, greedy, implementation, strings	2700	x517
772D	Varying Kibibits bitmasks, dp	2700	x566
1511G	Chips on a Board bitmasks, brute force, data structures, dp, games, two pointers	2700	x700
356D	Bags and Coins bitmasks, constructive algorithms, dp, greedy	2700	x936
1856E2	PermuTree (hard version) bitmasks, dfs and similar, dp, fft, greedy, implementation, math, trees	2700	x1305
201D	Brand New Problem bitmasks, brute force, dp	2600	x388
1679F	Formalism for Formalism bitmasks, dp, math	2600	x498
1739F	Keyboard Design bitmasks, data structures, dp, string suffix structures, strings	2600	x513
599E	Sandy and Nuts bitmasks, dp, trees	2600	x616
1430G	Yet Another DAG Problem bitmasks, dfs and similar, dp, flows, graphs, math	2600	x624
1530F	Bingo bitmasks, combinatorics, dp, math, probabilities	2600	x752
1326F1	Wise Men (Easy Version) bitmasks, brute force, dp, meet-in-the-middle	2600	x812
1584F	Strange LCS bitmasks, dp, graphs, greedy, strings	2600	x846
482C	Game with Strings bitmasks, dp, probabilities	2600	x872
914G	Sum the Fibonacci bitmasks, divide and conquer, dp, fft, math	2600	x893
1400G	Mercenaries bitmasks, brute force, combinatorics, dp, dsu, math, two pointers	2600	x899
1863F	Divide, XOR, and Conquer bitmasks, dp, math	2600	x1028
1815D	XOR Counting bitmasks, combinatorics, dp, math	2600	x1035
755F	PolandBall and Gifts bitmasks, dp, greedy	2600	x1270
662C	Binary Table bitmasks, brute force, divide and conquer, dp, fft, math	2600	x1940
1208F	Bits And Pieces bitmasks, dfs and similar, dp, greedy	2600	x2102
845F	Guards In The Storehouse bitmasks, dp	2500	x420
152E	Garden bitmasks, dp, graphs, trees	2500	x460
1117F	Crisp String bitmasks, dp	2500	x517
1709F	Multiset of Strings bitmasks, brute force, dp, fft, flows, graphs, math, meet-in-the-middle, trees	2500	x532
1903D2	Maximum And Queries (hard version) bitmasks, divide and conquer, dp, greedy	2500	x705
908E	New Year and Entity Enumeration bitmasks, combinatorics, dp, math	2500	x733
1734F	Zeros and Ones bitmasks, divide and conquer, dp, math	2500	x769
1767E	Algebra Flash bitmasks, brute force, dp, graphs, math, meet-in-the-middle, trees	2500	x832
1498F	Christmas Game bitmasks, data structures, dfs and similar, dp, games, math, trees	2500	x849
1917F	Construct Tree bitmasks, constructive algorithms, dp, trees	2500	x895
53E	Dead Ends bitmasks, dp	2500	x900
1716E	Swap and Maximum Block bitmasks, data structures, dfs and similar, divide and conquer, dp	2500	x1022
1313D	Happy New Year bitmasks, dp, implementation	2500	x1154
1556F	Sports Betting bitmasks, combinatorics, dp, graphs, math, probabilities	2500	x1167
1779F	Xorcerer's Stones bitmasks, constructive algorithms, dp, trees	2500	x1218
1710C	XOR Triangle bitmasks, brute force, constructive algorithms, dp, greedy, math	2500	x1274
543C	Remembering Strings bitmasks, dp	2500	x1351
1550E	Stringforces binary search, bitmasks, brute force, dp, strings, two pointers	2500	x1439
1497D	Genius bitmasks, dp, graphs, number theory	2500	x1481
1327F	AND Segments bitmasks, combinatorics, data structures, dp, two pointers	2500	x1604
1209E2	Rotate Columns (hard version) bitmasks, dp, greedy, sortings	2500	x1847
1043F	Make It One bitmasks, combinatorics, dp, math, number theory, shortest paths	2500	x2187
107C	Arrangement bitmasks, dp	2400	x362
534F	Simplified Nonogram bitmasks, dp, hashing, meet-in-the-middle	2400	x442
354B	Game with Strings bitmasks, dp, games	2400	x448
441E	Valera and Number bitmasks, dp, math, probabilities	2400	x673
1423J	Bubble Cup hypothesis bitmasks, constructive algorithms, dp, math	2400	x734
913E	Logical Expression bitmasks, dp, shortest paths	2400	x743
1620G	Subsequences Galore bitmasks, combinatorics, dp	2400	x856
1670F	Jee, You See? bitmasks, combinatorics, dp	2400	x919
1038E	Maximum Matching bitmasks, brute force, dfs and similar, dp, graphs	2400	x952
744C	Hongcow Buys a Deck of Cards bitmasks, brute force, dp	2400	x1010
780F	Axel and Marston in Bitland bitmasks, dp, graphs, matrices	2400	x1019
1874B	Jellyfish and Math bitmasks, brute force, dfs and similar, dp, graphs, shortest paths	2400	x1064
1679E	Typical Party in Dorm bitmasks, combinatorics, dp, strings	2400	x1098
1739E	Cleaning Robot bitmasks, dp	2400	x1168
906C	Party bitmasks, brute force, dp, graphs	2400	x1180
698C	LRU bitmasks, dp, math, probabilities	2400	x1276

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