Problemset - Codeforces

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Codeforces Round #744 (Div. 3)
3 days

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Difficulty: —

matrices

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Problems

#	Name
1557C	Moamen and XOR bitmasks, combinatorics, dp, math, matrices	1700	x6011
1540E	Tasty Dishes math, matrices	3500	x28
1538E	Funny Substrings data structures, hashing, implementation, matrices, strings	2100	x2122
1513C	Add One dp, matrices	1600	x8289
1511F	Chainword brute force, data structures, dp, matrices, string suffix structures, strings	2700	x223
1474F	1 2 3 4 ... dp, math, matrices	3000	x105
1458C	Latin Square math, matrices	2700	x758
1427E	Xum bitmasks, constructive algorithms, math, matrices, number theory	2500	x876
1411G	No Game No Life bitmasks, games, math, matrices	2700	x400
1402C	Star Trek *special problem, combinatorics, dfs and similar, dp, games, graphs, matrices, trees	2600	x142
1380F	Strange Addition data structures, dp, matrices	2600	x534
1375I	Cubic Lattice geometry, math, matrices, number theory	3500	x56
1344F	Piet's Palette matrices	3200	x131
1335F	Robots on a Grid data structures, dfs and similar, dsu, graphs, greedy, matrices	2200	x1612
1332E	Height All the Same combinatorics, constructive algorithms, math, matrices	2100	x2908
1286D	LCC data structures, math, matrices, probabilities	3100	x329
1266H	Red-Blue Graph dp, graphs, math, matrices, meet-in-the-middle	3400	x42
1252K	Addition Robot data structures, math, matrices	2100	x1358
1197F	Coloring Game dp, games, matrices	2700	x165
1188B	Count Pairs math, matrices, number theory, two pointers	2300	x3229
1184D2	Parallel Universes (Hard) math, matrices	3100	x26
1182E	Product Oriented Recurrence dp, math, matrices, number theory	2300	x1899
1152F2	Neko Rules the Catniverse (Large Version) bitmasks, dp, matrices	3000	x215
1152F1	Neko Rules the Catniverse (Small Version) bitmasks, dp, matrices	2800	x223
1151F	Sonya and Informatics combinatorics, dp, matrices, probabilities	2300	x741
1117D	Magic Gems dp, math, matrices	2100	x2780
1106F	Lunar New Year and a Recursive Sequence math, matrices, number theory	2400	x691
1101G	(Zero XOR Subset)-less math, matrices	2300	x1027
1025E	Colored Cubes constructive algorithms, implementation, matrices	2700	x434
1023E	Down or Right constructive algorithms, interactive, matrices	2100	x1610
1012B	Chemical table constructive algorithms, dfs and similar, dsu, graphs, matrices	1900	x2997
989E	A Trance of Nightfall dp, geometry, matrices, probabilities	2700	x192
959F	Mahmoud and Ehab and yet another xor task bitmasks, dp, math, matrices	2400	x1054
954F	Runner's Problem dp, matrices, sortings	2100	x716
946F	Fibonacci String Subsequences combinatorics, dp, matrices	2400	x367
923E	Perpetual Subtraction fft, math, matrices	3100	x273
917D	Stranger Trees dp, math, matrices, trees	2600	x548
917C	Pollywog combinatorics, dp, matrices	2900	x232
891E	Lust combinatorics, math, matrices	3000	x456
865G	Flowers and Chocolate combinatorics, math, matrices	3300	x100
852B	Neural Network country dp, matrices	2000	x892
837F	Prefix Sums binary search, brute force, combinatorics, math, matrices	2400	x534
832E	Vasya and Shifts matrices	2600	x197
821E	Okabe and El Psy Kongroo dp, matrices	2100	x1193
780F	Axel and Marston in Bitland bitmasks, dp, graphs, matrices	2400	x849
750E	New Year and Old Subsequence data structures, divide and conquer, dp, matrices	2600	x962
736D	Permutations math, matrices	2800	x319
718C	Sasha and Array data structures, math, matrices	2300	x1990
717D	Dexterina’s Lab games, matrices, probabilities	1900	x1166
696D	Legen... data structures, dp, matrices, strings	2500	x760
696C	PLEASE combinatorics, dp, implementation, math, matrices	2000	x1726
691E	Xor-sequences matrices	1900	x1541
662A	Gambling Nim bitmasks, math, matrices, probabilities	2400	x277
632F	Magic Matrix brute force, divide and conquer, graphs, matrices, trees	2400	x575
621E	Wet Shark and Blocks dp, matrices	2000	x2036
618G	Combining Slimes dp, math, matrices, probabilities	3300	x128
593E	Strange Calculation and Cats dp, matrices	2400	x325
582B	Once Again... constructive algorithms, dp, matrices	1900	x2832
578F	Mirror Box matrices, trees	3200	x303
576D	Flights for Regular Customers dp, matrices	2700	x861
575A	Fibonotci data structures, math, matrices	2700	x487
551D	GukiZ and Binary Operations combinatorics, implementation, math, matrices, number theory	2100	x1511
514E	Darth Vader and Tree dp, matrices	2200	x1041
506E	Mr. Kitayuta's Gift combinatorics, dp, matrices, strings	3000	x395
498E	Stairs and Lines dp, matrices	2700	x337
497E	Subsequences Return dp, matrices	2900	x202
485A	Factory implementation, math, matrices	1400	x6771
472F	Design Tutorial: Change the Goal constructive algorithms, math, matrices	2700	x215
453D	Little Pony and Elements of Harmony dp, matrices	3000	x322
446E	DZY Loves Bridges math, matrices	3100	x82
446D	DZY Loves Games math, matrices, probabilities	2800	x234
392C	Yet Another Number Sequence combinatorics, math, matrices		x425
385E	Bear in the Field math, matrices	2300	x470
351C	Jeff and Brackets dp, matrices	2500	x451
348D	Turtles dp, matrices	2500	x841
337C	Quiz binary search, greedy, math, matrices, number theory	1600	x4167
267C	Berland Traffic math, matrices	2700	x116
226C	Anniversary data structures, implementation, math, matrices, number theory	2400	x644
225C	Barcode dp, matrices	1700	x6648
222E	Decoding Genome dp, matrices	1900	x1614
193E	Fibonacci Number brute force, math, matrices	2900	x253
193C	Hamming Distance constructive algorithms, greedy, math, matrices	2400	x413
177G2	Fibonacci Strings matrices, strings	2600	x107
167E	Wizards and Bets dfs and similar, graphs, math, matrices	2900	x335
166E	Tetrahedron dp, math, matrices	1500	x14075
147B	Smile House binary search, graphs, matrices	2500	x569
113D	Museum math, matrices, probabilities	2700	x413
107D	Crime Management dp, graphs, matrices	2400	x325
93D	Flags dp, math, matrices	2500	x264
86E	Long sequence brute force, math, matrices	2700	x150
60E	Mushroom Gnomes math, matrices	2600	x248
51E	Pentagon combinatorics, graphs, matrices	2400	x257