Problem Set - bitmasks - SAST OJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	5920	codeforces#P734F Anton and School bitmasks constructive algorithms implementation math *2500	0 / 0	9
	5895	codeforces#P743B Chloe and the sequence binary search bitmasks constructive algorithms implementation *1200	0 / 0	4
	5892	codeforces#P743E Vladik and cards binary search bitmasks brute force dp *2200	0 / 0	8
	5890	codeforces#P744B Hongcow's Game bitmasks divide and conquer interactive *1900	0 / 0	6
	5889	codeforces#P744C Hongcow Buys a Deck of Cards bitmasks brute force dp *2400	0 / 0	9
	5854	codeforces#P750G New Year and Binary Tree Paths bitmasks brute force combinatorics dp *3200	0 / 0	10
	5845	codeforces#P754E Dasha and cyclic table bitmasks brute force fft strings trees *2600	0 / 0	10
	5839	codeforces#P755F PolandBall and Gifts bitmasks dp greedy *2600	0 / 0	10
	5828	codeforces#P757D Felicity's Big Secret Revealed bitmasks dp *2200	0 / 0	8
	5786	codeforces#P766E Mahmoud and a xor trip bitmasks constructive algorithms data structures dfs and similar dp math trees *2100	0 / 0	7
	5776	codeforces#P768E Game of Stones bitmasks dp games *2100	0 / 0	7
	5770	codeforces#P769D k-Interesting Pairs Of Integers special problem bitmasks brute force meet-in-the-middle 1700	0 / 0	5
	5756	codeforces#P772D Varying Kibibits bitmasks dp *2700	0 / 0	10
	5729	codeforces#P776G Sherlock and the Encrypted Data bitmasks combinatorics dp *2900	0 / 0	10
	5722	codeforces#P778B Bitwise Formula bitmasks brute force dfs and similar expression parsing implementation *1800	0 / 0	6
	5710	codeforces#P780F Axel and Marston in Bitland bitmasks dp graphs matrices *2400	0 / 0	9
	5677	codeforces#P792D Paths in a Complete Binary Tree bitmasks trees *1900	0 / 0	6
	5655	codeforces#P796F Sequence Recovery bitmasks data structures greedy *2800	0 / 0	10
	5614	codeforces#P803F Coprime Subsequences bitmasks combinatorics number theory *2000	0 / 0	7
	5582	codeforces#P812B Sagheer, the Hausmeister bitmasks brute force dp *1600	0 / 0	5
	5556	codeforces#P817E Choosing The Commander bitmasks data structures trees *2000	0 / 0	7
	5446	codeforces#P845F Guards In The Storehouse bitmasks dp *2500	0 / 0	9
	5416	codeforces#P850C Arpa and a game with Mojtaba bitmasks dp games *2200	0 / 0	8
	5414	codeforces#P850E Random Elections bitmasks brute force divide and conquer fft math *2800	0 / 0	10
	5390	codeforces#P855E Salazar Slytherin's Locket bitmasks dp *2200	0 / 0	8
	5331	codeforces#P865E Hex Dyslexia bitmasks brute force dp graphs *3300	0 / 0	10
	5330	codeforces#P865F Egg Roulette bitmasks brute force divide and conquer math meet-in-the-middle *3300	0 / 0	10
	5325	codeforces#P868C Qualification Rounds bitmasks brute force constructive algorithms dp *1500	0 / 0	5
	5324	codeforces#P868D Huge Strings bitmasks brute force dp implementation strings *2200	0 / 0	8
	5299	codeforces#P875D High Cry binary search bitmasks combinatorics data structures divide and conquer *2200	0 / 0	8
	5290	codeforces#P877E Danil and a Part-time Job bitmasks data structures trees *2000	0 / 0	7
	5288	codeforces#P878A Short Program bitmasks constructive algorithms *1600	0 / 0	5
	5285	codeforces#P878D Magic Breeding bitmasks *2900	0 / 0	10
	5246	codeforces#P888E Maximum Subsequence bitmasks divide and conquer meet-in-the-middle *1800	0 / 0	6
	5244	codeforces#P888G Xor-MST bitmasks constructive algorithms data structures *2300	0 / 0	8
	5222	codeforces#P895C Square Subsets bitmasks combinatorics dp math *2000	0 / 0	7
	5197	codeforces#P900D Unusual Sequences bitmasks combinatorics dp math number theory *2000	0 / 0	7
	5183	codeforces#P903F Clear The Matrix bitmasks dp *2200	0 / 0	8
	5179	codeforces#P906C Party bitmasks brute force dp graphs *2400	0 / 0	9
	5170	codeforces#P908E New Year and Entity Enumeration bitmasks combinatorics dp math *2500	0 / 0	9
	5149	codeforces#P912B New Year's Eve bitmasks constructive algorithms number theory *1300	0 / 0	4
	5122	codeforces#P913C Party Lemonade bitmasks dp greedy *1600	0 / 0	5
	5120	codeforces#P913E Logical Expression bitmasks dp shortest paths *2400	0 / 0	9
	5112	codeforces#P914E Palindromes in a Tree bitmasks data structures divide and conquer trees *2400	0 / 0	9
	5111	codeforces#P914F Substrings in a String bitmasks brute force data structures string suffix structures strings *3000	0 / 0	10
	5110	codeforces#P914G Sum the Fibonacci bitmasks divide and conquer dp fft math *2600	0 / 0	10
	5100	codeforces#P916B Jamie and Binary Sequence (changed after round) bitmasks greedy math *2000	0 / 0	7
	5077	codeforces#P920G List Of Integers binary search bitmasks brute force combinatorics math number theory *2200	0 / 0	8
	4977	codeforces#P938F Erasing Substrings bitmasks dp greedy *2700	0 / 0	10
	4976	codeforces#P938G Shortest Path Queries bitmasks data structures dsu graphs *2900	0 / 0	10
	4904	codeforces#P959E Mahmoud and Ehab and the xor-MST bitmasks dp graphs implementation math *1900	0 / 0	6
	4903	codeforces#P959F Mahmoud and Ehab and yet another xor task bitmasks dp math matrices *2400	0 / 0	9
	4900	codeforces#P960C Subsequence Counting bitmasks constructive algorithms greedy implementation *1700	0 / 0	5
	4892	codeforces#P961C Chessboard bitmasks brute force implementation *1400	0 / 0	4
	4839	codeforces#P979D Kuro and GCD and XOR and SUM binary search bitmasks brute force data structures dp dsu greedy math number theory strings trees *2200	0 / 0	8
	4828	codeforces#P981D Bookshelves bitmasks dp greedy *1900	0 / 0	6
	4827	codeforces#P981E Addition on Segments bitmasks data structures divide and conquer dp *2200	0 / 0	8
	4801	codeforces#P986C AND Graph bitmasks dfs and similar dsu graphs *2500	0 / 0	9
	4764	codeforces#P993B Open Communication bitmasks brute force *1900	0 / 0	6
	4763	codeforces#P993C Careful Maneuvering bitmasks brute force geometry *2100	0 / 0	7
	4694	codeforces#P1004F Sonya and Bitwise OR bitmasks data structures divide and conquer *2600	0 / 0	10
	4681	codeforces#P1006F Xor-Paths bitmasks brute force dp meet-in-the-middle *2100	0 / 0	7
	4679	codeforces#P1007B Pave the Parallelepiped bitmasks brute force combinatorics math number theory *2400	0 / 0	9
	4667	codeforces#P1009G Allowed Letters bitmasks flows graph matchings graphs greedy *2400	0 / 0	9
	4637	codeforces#P1016G Appropriate Team bitmasks math number theory *2700	0 / 0	10
	4633	codeforces#P1017D The Wu bitmasks brute force data structures *1900	0 / 0	6
	4601	codeforces#P1027G X-mouse in the Campus bitmasks math number theory *2600	0 / 0	10
	4582	codeforces#P1030E Vasya and Good Sequences bitmasks dp *2000	0 / 0	7
	4561	codeforces#P1033F Boolean Computer bitmasks brute force fft math *2800	0 / 0	10
	4555	codeforces#P1034E Little C Loves 3 III bitmasks dp math *3200	0 / 0	10
	4548	codeforces#P1036G Sources and Sinks bitmasks brute force dfs and similar *2700	0 / 0	10
	4535	codeforces#P1038E Maximum Matching bitmasks brute force dfs and similar dp graphs *2400	0 / 0	9
	4519	codeforces#P1042B Vitamins bitmasks brute force dp implementation *1200	0 / 0	4
	4509	codeforces#P1043F Make It One bitmasks combinatorics dp math number theory shortest paths *2500	0 / 0	9
	4483	codeforces#P1051D Bicolorings bitmasks dp *1700	0 / 0	5
	4380	codeforces#P1073E Segment Sum bitmasks combinatorics dp math *2300	0 / 0	8
	4319	codeforces#P1088D Ehab and another another xor problem bitmasks constructive algorithms implementation interactive *2000	0 / 0	7
	4269	codeforces#P1093G Multidimensional Queries bitmasks data structures *2300	0 / 0	8
	4266	codeforces#P1095C Powers Of Two bitmasks greedy *1400	0 / 0	4
	4254	codeforces#P1097B Petr and a Combination Lock bitmasks brute force dp *1200	0 / 0	4
	4250	codeforces#P1097F Alex and a TV Show bitmasks combinatorics number theory *2500	0 / 0	9
	4248	codeforces#P1097H Mateusz and an Infinite Sequence bitmasks brute force dp strings *3400	0 / 0	10
	4219	codeforces#P1102F Elongated Matrix binary search bitmasks brute force dp graphs *2000	0 / 0	7
	4215	codeforces#P1103D Professional layer bitmasks dp *3100	0 / 0	10
	4207	codeforces#P1105E Helping Hiasat bitmasks brute force dp meet-in-the-middle *2200	0 / 0	8
	4160	codeforces#P1114F Please, another Queries on Array? bitmasks data structures divide and conquer math number theory *2400	0 / 0	9
	4136	codeforces#P1117E Decypher the String bitmasks chinese remainder theorem constructive algorithms interactive math *2200	0 / 0	8
	4135	codeforces#P1117F Crisp String bitmasks dp *2500	0 / 0	9
	4032	codeforces#P1144E Median String bitmasks math number theory strings *1900	0 / 0	6
	4027	codeforces#P1145C Mystery Circuit bitmasks brute force	0 / 0	(None)
	4020	codeforces#P1146C Tree Diameter bitmasks graphs interactive *1700	0 / 0	5
	4018	codeforces#P1146E Hot is Cold bitmasks data structures divide and conquer implementation *2400	0 / 0	9
	4003	codeforces#P1148F Foo Fighters bitmasks constructive algorithms *2700	0 / 0	10
	3992	codeforces#P1151B Dima and a Bad XOR bitmasks brute force constructive algorithms dp *1600	0 / 0	5
	3986	codeforces#P1152B Neko Performs Cat Furrier Transform bitmasks constructive algorithms dfs and similar math *1300	0 / 0	4
	3982	codeforces#P1152F1 Neko Rules the Catniverse (Small Version) bitmasks dp matrices *2800	0 / 0	10
	3981	codeforces#P1152F2 Neko Rules the Catniverse (Large Version) bitmasks dp matrices *3000	0 / 0	10
	3929	codeforces#P1163E Magical Permutation bitmasks brute force constructive algorithms data structures graphs math *2400	0 / 0	9
	3916	codeforces#P1166E The LCMs Must be Large bitmasks brute force constructive algorithms math number theory *2100	0 / 0	7
	3905	codeforces#P1168C And Reachability bitmasks dp *2200	0 / 0	8

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