Problemset - Codeforces

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Codeforces Round 1134 (Div. 4)
47:23:49
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bitmasks

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Problems

#	Name
2271C	XOR Problem bitmasks, constructive algorithms, graphs, greedy, math	1400	x5394
2268B	What a SauSaGe! It's All Meat bitmasks, brute force, data structures, math	1500	x6836
2260C	Maximize XOR, Minimize Operations bitmasks, greedy	1300	x11251
2247D1	XOR Sorting (Easy Version) bitmasks, greedy	1500	x7291
2245C	MEXOR bitmasks, constructive algorithms, math	1400	x7616
2234D	XOR, Expression and Two Binary Numbers bitmasks, divide and conquer, dp, math, number theory	1500	x9336
2225D	Exceptional Segments bitmasks, brute force, math	1500	x8942
2218E	The 67th XOR Problem binary search, bitmasks, brute force	1200	x18745
2203C	Test Generator binary search, bitmasks, greedy, math	1500	x8436
2194C	Secret message bitmasks, brute force, dp, math, number theory	1300	x12103
2189C1	XOR Convenience (Easy Version) bitmasks, constructive algorithms, math	1300	x15218
2179D	Blackslex and Penguin Civilization bitmasks, constructive algorithms, greedy, math	1300	x14600
2171C2	Renako Amaori and XOR Game (hard version) bitmasks, games, greedy	1400	x12897
2160C	Reverse XOR bitmasks	1300	x16265
2146D1	Max Sum OR (Easy Version) bitmasks, constructive algorithms, divide and conquer, greedy, trees	1500	x11538
2119C	A Good Problem bitmasks, constructive algorithms, math	1300	x17134
2118C	Make It Beautiful bitmasks, data structures, greedy, math	1300	x19397
2109C1	Hacking Numbers (Easy Version) bitmasks, constructive algorithms, interactive, math, number theory	1500	x12069
2109B	Slice to Survive bitmasks, greedy, math	1200	x17987
2108B	SUMdamental Decomposition bitmasks, constructive algorithms, greedy, implementation, math	1300	x15145
2094E	Boneca Ambalabu bitmasks	1200	x19476
2093D	Skibidi Table bitmasks, implementation	1400	x12749
2072C	Creating Keys for StORages Has Become My Main Skill bitmasks, constructive algorithms, greedy	1200	x20344
2057C	Trip to the Olympiad bitmasks, constructive algorithms, greedy, math	1500	x14363
2053C	Bewitching Stargazer bitmasks, divide and conquer, dp, math	1500	x12779
2048C	Kevin and Binary Strings bitmasks, brute force, greedy, implementation, strings	1200	x15647
2039C1	Shohag Loves XOR (Easy Version) bitmasks, brute force, math, number theory	1200	x14054
2035C	Alya and Permutation bitmasks, constructive algorithms, math	1400	x11959
2020C	Bitwise Balancing bitmasks, hashing, implementation, math, schedules, ternary search	1400	x19055
1988C	Increasing Sequence with Fixed OR bitmasks, constructive algorithms, greedy	1300	x20870
1981B	Turtle and an Infinite Sequence bitmasks, math	1300	x16992
1973B	Cat, Fox and the Lonely Array binary search, bitmasks, data structures, greedy, math, two pointers	1300	x17337
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x15519
1926D	Vlad and Division bitmasks, greedy	1300	x18991
1918C	XOR-distance bitmasks, greedy, implementation, math	1400	x17440
1913C	Game with Multiset binary search, bitmasks, brute force, greedy	1300	x18039
1909B	Make Almost Equal With Mod bitmasks, constructive algorithms, math, number theory	1200	x35692
1903B	StORage room bitmasks, brute force, constructive algorithms, greedy	1200	x15254
1882B	Sets and Union bitmasks, brute force, constructive algorithms, greedy	1300	x17800
1878E	Iva & Pav binary search, bitmasks, data structures, greedy	1400	x23643
1875C	Jellyfish and Green Apple bitmasks, greedy, math, number theory	1400	x14242
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x23786
1870B	Friendly Arrays bitmasks, greedy, math	1200	x16785
1864C	Divisor Chain bitmasks, constructive algorithms, math, number theory	1300	x15658
1847C	Vampiric Powers, anyone? bitmasks, brute force, dp, greedy	1400	x15168
1790E	Vlad and a Pair of Numbers bitmasks, constructive algorithms	1400	x17858
1775B	Gardener and the Array bitmasks, constructive algorithms	1300	x23015
1742G	Orray bitmasks, brute force, greedy, math, sortings	1500	x14098
1722G	Even-Odd XOR bitmasks, constructive algorithms, greedy	1500	x15015
1669H	Maximal AND bitmasks, greedy, math	1300	x32862
1661B	Getting Zero bitmasks, brute force, dfs and similar, dp, graphs, greedy, shortest paths	1300	x21530
1659B	Bit Flipping bitmasks, constructive algorithms, greedy, strings	1300	x12292
1646C	Factorials and Powers of Two bitmasks, brute force, constructive algorithms, dp, math	1500	x21492
1634B	Fortune Telling bitmasks, math	1400	x24176
1630A	And Matching bitmasks, constructive algorithms	1500	x16481
1615B	And It's Non-Zero bitmasks, greedy, math	1300	x18383
1614C	Divan and bitwise operations bitmasks, combinatorics, constructive algorithms, dp, math	1500	x11564
1601A	Array Elimination bitmasks, greedy, math, number theory	1300	x23327
1600J	Robot Factory bitmasks, dfs and similar	1400	x4516
1553C	Penalty bitmasks, brute force, dp, greedy	1200	x20243
1547D	Co-growing Sequence bitmasks, constructive algorithms, greedy	1300	x19134
1516B	AGAGA XOOORRR bitmasks, brute force, dp, greedy	1500	x27736
1514B	AND 0, Sum Big bitmasks, combinatorics, math	1200	x38289
1513B	AND Sequences bitmasks, combinatorics, constructive algorithms, math	1400	x21826
1498B	Box Fitting binary search, bitmasks, data structures, greedy	1300	x25755
1494B	Berland Crossword bitmasks, brute force, greedy, implementation	1400	x15573
1463B	Find The Array bitmasks, constructive algorithms, greedy	1400	x21573
1420B	Rock and Lever bitmasks, math	1200	x39514
1385D	a-Good String bitmasks, brute force, divide and conquer, dp, implementation	1500	x23488
1362C	Johnny and Another Rating Drop bitmasks, greedy, math	1400	x25691
1362B	Johnny and His Hobbies bitmasks, brute force	1200	x21555
1312C	Adding Powers bitmasks, greedy, implementation, math, number theory, ternary search	1400	x18816
1270C	Make Good bitmasks, constructive algorithms, math	1400	x15292
1152B	Neko Performs Cat Furrier Transform bitmasks, constructive algorithms, dfs and similar, math	1300	x9782
1097B	Petr and a Combination Lock bitmasks, brute force, dp	1200	x39245
1095C	Powers Of Two bitmasks, greedy	1400	x20504
1042B	Vitamins bitmasks, brute force, dp, implementation	1200	x20022
961C	Chessboard bitmasks, brute force, implementation	1400	x5685
912B	New Year's Eve bitmasks, constructive algorithms, number theory	1300	x14516
868C	Qualification Rounds bitmasks, brute force, constructive algorithms, dp	1500	x5128
743B	Chloe and the sequence binary search, bitmasks, constructive algorithms, implementation	1200	x16275
677C	Vanya and Label bitmasks, combinatorics, implementation, strings	1500	x7116
611B	New Year and Old Property bitmasks, brute force, implementation	1300	x11411
550B	Preparing Olympiad bitmasks, brute force	1400	x29917
476B	Dreamoon and WiFi bitmasks, brute force, combinatorics, dp, math, probabilities	1300	x39057
437B	The Child and Set bitmasks, greedy, implementation, sortings	1500	x10645
224B	Array bitmasks, implementation, two pointers	1500	x8263
114B	PFAST Inc. bitmasks, brute force, graphs	1500	x4392
96B	Lucky Numbers (easy) binary search, bitmasks, brute force	1300	x20205
27B	Tournament bitmasks, brute force, dfs and similar, greedy	1300	x6065

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