Problemset - Codeforces

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Codeforces Round #726 (Div. 2)
3 days

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Difficulty: —

matrices

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Problems

#	Name
1375I	Cubic Lattice geometry, math, matrices, number theory	3500	x55
1266H	Red-Blue Graph dp, graphs, math, matrices, meet-in-the-middle	3400	x39
865G	Flowers and Chocolate combinatorics, math, matrices	3300	x98
618G	Combining Slimes dp, math, matrices, probabilities	3300	x121
1344F	Piet's Palette matrices	3200	x120
578F	Mirror Box matrices, trees	3200	x279
1184D2	Parallel Universes (Hard) math, matrices	3100	x23
446E	DZY Loves Bridges math, matrices	3100	x79
923E	Perpetual Subtraction fft, math, matrices	3100	x261
1286D	LCC data structures, math, matrices, probabilities	3100	x313
1474F	1 2 3 4 ... dp, math, matrices	3000	x90
1152F2	Neko Rules the Catniverse (Large Version) bitmasks, dp, matrices	3000	x205
453D	Little Pony and Elements of Harmony dp, matrices	3000	x298
506E	Mr. Kitayuta's Gift combinatorics, dp, matrices, strings	3000	x377
891E	Lust combinatorics, math, matrices	3000	x420
497E	Subsequences Return dp, matrices	2900	x190
917C	Pollywog combinatorics, dp, matrices	2900	x223
193E	Fibonacci Number brute force, math, matrices	2900	x246
167E	Wizards and Bets dfs and similar, graphs, math, matrices	2900	x306
1152F1	Neko Rules the Catniverse (Small Version) bitmasks, dp, matrices	2800	x211
446D	DZY Loves Games math, matrices, probabilities	2800	x228
736D	Permutations math, matrices	2800	x312
267C	Berland Traffic math, matrices	2700	x115
86E	Long sequence brute force, math, matrices	2700	x149
1197F	Coloring Game dp, games, matrices	2700	x158
989E	A Trance of Nightfall dp, geometry, matrices, probabilities	2700	x190
1511F	Chainword brute force, data structures, dp, matrices, string suffix structures, strings	2700	x193
472F	Design Tutorial: Change the Goal constructive algorithms, math, matrices	2700	x203
498E	Stairs and Lines dp, matrices	2700	x320
1411G	No Game No Life bitmasks, games, math, matrices	2700	x369
113D	Museum math, matrices, probabilities	2700	x402
1025E	Colored Cubes constructive algorithms, implementation, matrices	2700	x424
575A	Fibonotci data structures, math, matrices	2700	x453
1458C	Latin Square math, matrices	2700	x668
576D	Flights for Regular Customers dp, matrices	2700	x808
177G2	Fibonacci Strings matrices, strings	2600	x105
1402C	Star Trek *special problem, combinatorics, dfs and similar, dp, games, graphs, matrices, trees	2600	x136
832E	Vasya and Shifts matrices	2600	x193
60E	Mushroom Gnomes math, matrices	2600	x229
917D	Stranger Trees dp, math, matrices, trees	2600	x506
1380F	Strange Addition data structures, dp, matrices	2600	x516
750E	New Year and Old Subsequence data structures, divide and conquer, dp, matrices	2600	x937
93D	Flags dp, math, matrices	2500	x261
351C	Jeff and Brackets dp, matrices	2500	x440
147B	Smile House binary search, graphs, matrices	2500	x557
696D	Legen... data structures, dp, matrices, strings	2500	x725
348D	Turtles dp, matrices	2500	x757
1427E	Xum bitmasks, constructive algorithms, math, matrices, number theory	2500	x838
51E	Pentagon combinatorics, graphs, matrices	2400	x252
662A	Gambling Nim bitmasks, math, matrices, probabilities	2400	x269
107D	Crime Management dp, graphs, matrices	2400	x312
593E	Strange Calculation and Cats dp, matrices	2400	x317
946F	Fibonacci String Subsequences combinatorics, dp, matrices	2400	x351
193C	Hamming Distance constructive algorithms, greedy, math, matrices	2400	x400
837F	Prefix Sums binary search, brute force, combinatorics, math, matrices	2400	x514
632F	Magic Matrix brute force, divide and conquer, graphs, matrices, trees	2400	x535
226C	Anniversary data structures, implementation, math, matrices, number theory	2400	x632
1106F	Lunar New Year and a Recursive Sequence math, matrices, number theory	2400	x659
780F	Axel and Marston in Bitland bitmasks, dp, graphs, matrices	2400	x823
959F	Mahmoud and Ehab and yet another xor task bitmasks, dp, math, matrices	2400	x992
385E	Bear in the Field math, matrices	2300	x461
1151F	Sonya and Informatics combinatorics, dp, matrices, probabilities	2300	x708
1101G	(Zero XOR Subset)-less math, matrices	2300	x932
1182E	Product Oriented Recurrence dp, math, matrices, number theory	2300	x1815
718C	Sasha and Array data structures, math, matrices	2300	x1902
1188B	Count Pairs math, matrices, number theory, two pointers	2300	x3096
514E	Darth Vader and Tree dp, matrices	2200	x1005
1335F	Robots on a Grid data structures, dfs and similar, dsu, graphs, greedy, matrices	2200	x1559
954F	Runner's Problem dp, matrices, sortings	2100	x679
821E	Okabe and El Psy Kongroo dp, matrices	2100	x1171
1252K	Addition Robot data structures, math, matrices	2100	x1329
551D	GukiZ and Binary Operations combinatorics, implementation, math, matrices, number theory	2100	x1485
1023E	Down or Right constructive algorithms, interactive, matrices	2100	x1578
1117D	Magic Gems dp, math, matrices	2100	x2656
1332E	Height All the Same combinatorics, constructive algorithms, math, matrices	2100	x2807
852B	Neural Network country dp, matrices	2000	x860
696C	PLEASE combinatorics, dp, implementation, math, matrices	2000	x1700
621E	Wet Shark and Blocks dp, matrices	2000	x1983
717D	Dexterina’s Lab games, matrices, probabilities	1900	x1068
691E	Xor-sequences matrices	1900	x1493
222E	Decoding Genome dp, matrices	1900	x1550
582B	Once Again... constructive algorithms, dp, matrices	1900	x2784
1012B	Chemical table constructive algorithms, dfs and similar, dsu, graphs, matrices	1900	x2877
225C	Barcode dp, matrices	1700	x6410
337C	Quiz binary search, greedy, math, matrices, number theory	1600	x4069
1513C	Add One dp, matrices	1600	x7375
166E	Tetrahedron dp, math, matrices	1500	x13283
485A	Factory implementation, math, matrices	1400	x6506