Problemset - Codeforces

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Codeforces Round #605 (Div. 3)
5 days

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Difficulty: —

matrices

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Problems

#	Name
166E	Tetrahedron dp, math, matrices	1500	x8699
485A	Factory implementation, math, matrices	1400	x5256
225C	Barcode dp, matrices	1800	x4524
337C	Quiz binary search, greedy, math, matrices, number theory	1700	x3315
582B	Once Again... constructive algorithms, dp, matrices	2000	x2422
1188B	Count Pairs math, matrices, number theory, two pointers	2200	x2319
1012B	Chemical table constructive algorithms, dfs and similar, dsu, graphs, matrices	1900	x2269
1117D	Magic Gems dp, math, matrices	2000	x1934
718C	Sasha and Array data structures, math, matrices	2300	x1575
621E	Wet Shark and Blocks dp, matrices	2100	x1554
696C	PLEASE combinatorics, dp, implementation, math, matrices	2200	x1374
1182E	Product Oriented Recurrence dp, math, matrices, number theory	2200	x1334
1023E	Down or Right constructive algorithms, interactive, matrices	2100	x1308
551D	GukiZ and Binary Operations combinatorics, implementation, math, matrices, number theory	2400	x1287
222E	Decoding Genome dp, matrices	2000	x1238
1252K	Addition Robot data structures, math, matrices	2200	x1025
691E	Xor-sequences matrices	2000	x996
821E	Okabe and El Psy Kongroo dp, matrices	2200	x969
717D	Dexterina’s Lab games, matrices, probabilities	1900	x894
514E	Darth Vader and Tree dp, matrices	2500	x838
750E	New Year and Old Subsequence data structures, divide and conquer, dp, matrices	2600	x792
852B	Neural Network country dp, matrices	2000	x648
780F	Axel and Marston in Bitland bitmasks, dp, graphs, matrices	2800	x642
696D	Legen... data structures, dp, matrices, strings	2700	x599
1101G	(Zero XOR Subset)-less math, matrices	2400	x598
959F	Mahmoud and Ehab and yet another xor task bitmasks, dp, math, matrices	2600	x592
226C	Anniversary data structures, implementation, math, matrices, number theory	2100	x555
348D	Turtles dp, matrices	2500	x545
1151F	Sonya and Informatics combinatorics, dp, matrices, probabilities	2500	x532
954F	Runner's Problem dp, matrices, sortings	2300	x528
1106F	Lunar New Year and a Recursive Sequence math, matrices, number theory	2400	x487
576D	Flights for Regular Customers dp, matrices	2600	x463
147B	Smile House binary search, graphs, matrices	2300	x463
632F	Magic Matrix brute force, divide and conquer, graphs, matrices, trees	2400	x386
385E	Bear in the Field math, matrices	2700	x381
837F	Prefix Sums binary search, brute force, combinatorics, math, matrices	2500	x362
351C	Jeff and Brackets dp, matrices	2800	x360
1025E	Colored Cubes constructive algorithms, implementation, matrices	2600	x353
193C	Hamming Distance constructive algorithms, greedy, math, matrices	2400	x327
113D	Museum math, matrices, probabilities	2500	x317
392C	Yet Another Number Sequence combinatorics, math, matrices		x314
917D	Stranger Trees dp, math, matrices, trees	2600	x278
593E	Strange Calculation and Cats dp, matrices	2600	x269
498E	Stairs and Lines dp, matrices	2600	x269
107D	Crime Management dp, graphs, matrices	2400	x269
575A	Fibonotci data structures, math, matrices	2800	x268
946F	Fibonacci String Subsequences combinatorics, dp, matrices	2500	x267
167E	Wizards and Bets dfs and similar, graphs, math, matrices	2900	x256
93D	Flags dp, math, matrices	2400	x249
736D	Permutations math, matrices	2700	x246
453D	Little Pony and Elements of Harmony dp, matrices	2900	x227
891E	Lust combinatorics, math, matrices	2800	x222
51E	Pentagon combinatorics, graphs, matrices	2300	x219
506E	Mr. Kitayuta's Gift combinatorics, dp, matrices, strings	2900	x217
60E	Mushroom Gnomes math, matrices	2500	x213
662A	Gambling Nim bitmasks, math, matrices, probabilities	2400	x206
193E	Fibonacci Number brute force, math, matrices	2900	x198
472F	Design Tutorial: Change the Goal constructive algorithms, math, matrices	2600	x179
446D	DZY Loves Games math, matrices, probabilities	2800	x176
917C	Pollywog combinatorics, dp, matrices	2800	x168
832E	Vasya and Shifts matrices	2700	x163
989E	A Trance of Nightfall dp, geometry, matrices, probabilities	2900	x152
497E	Subsequences Return dp, matrices	2900	x150
1152F1	Neko Rules the Catniverse (Small Version) bitmasks, dp, matrices	2900	x147
86E	Long sequence brute force, math, matrices	2600	x141
923E	Perpetual Subtraction fft, math, matrices	3100	x131
1152F2	Neko Rules the Catniverse (Large Version) bitmasks, dp, matrices	2900	x128
578F	Mirror Box matrices, trees	3400	x126
1197F	Coloring Game dp, games, matrices	2500	x115
267C	Berland Traffic math, matrices	2300	x104
618G	Combining Slimes dp, math, matrices, probabilities	3300	x83
177G2	Fibonacci Strings matrices, strings	2400	x80
446E	DZY Loves Bridges math, matrices	3100	x65
865G	Flowers and Chocolate combinatorics, math, matrices	3200	x58
1184D2	Parallel Universes (Hard) math, matrices	3300	x20