Problemset - Codeforces

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Problems

#	Name
1540E	Tasty Dishes math, matrices	3500	x102
1375I	Cubic Lattice geometry, math, matrices, number theory	3500	x256
1266H	Red-Blue Graph dp, graphs, math, matrices, meet-in-the-middle	3400	x102
865G	Flowers and Chocolate combinatorics, math, matrices	3300	x135
618G	Combining Slimes dp, math, matrices, probabilities	3300	x232
1599E	Two Arrays data structures, matrices	3200	x67
1864H	Asterism Stream dp, math, matrices	3200	x277
1672G	Cross Xor constructive algorithms, graphs, math, matrices	3200	x319
1344F	Piet's Palette matrices	3200	x447
578F	Mirror Box matrices, trees	3200	x542
1184D2	Parallel Universes (Hard) math, matrices	3100	x104
446E	DZY Loves Bridges math, matrices	3100	x122
923E	Perpetual Subtraction fft, math, matrices	3100	x445
1286D	LCC data structures, math, matrices, probabilities	3100	x571
1474F	1 2 3 4 ... dp, math, matrices	3000	x243
453D	Little Pony and Elements of Harmony dp, matrices	3000	x464
1152F2	Neko Rules the Catniverse (Large Version) bitmasks, dp, matrices	3000	x624
1844G	Tree Weights bitmasks, constructive algorithms, data structures, dfs and similar, implementation, math, matrices, number theory, trees	3000	x690
506E	Mr. Kitayuta's Gift combinatorics, dp, matrices, strings	3000	x711
891E	Lust combinatorics, math, matrices	3000	x898
497E	Subsequences Return dp, matrices	2900	x284
1698G	Long Binary String bitmasks, math, matrices, meet-in-the-middle, number theory	2900	x308
193E	Fibonacci Number brute force, math, matrices	2900	x327
917C	Pollywog combinatorics, dp, matrices	2900	x390
167E	Wizards and Bets dfs and similar, graphs, math, matrices	2900	x556
1616F	Tricolor Triangles brute force, graphs, math, matrices	2900	x588
446D	DZY Loves Games math, matrices, probabilities	2800	x388
736D	Permutations math, matrices	2800	x455
1152F1	Neko Rules the Catniverse (Small Version) bitmasks, dp, matrices	2800	x546
1919F2	Wine Factory (Hard Version) data structures, dp, flows, greedy, matrices	2800	x786
267C	Berland Traffic math, matrices	2700	x160
86E	Long sequence brute force, math, matrices	2700	x180
989E	A Trance of Nightfall dp, geometry, matrices, probabilities	2700	x230
1197F	Coloring Game dp, games, matrices	2700	x245
472F	Design Tutorial: Change the Goal constructive algorithms, math, matrices	2700	x250
1511F	Chainword brute force, data structures, dp, matrices, string suffix structures, strings	2700	x424
498E	Stairs and Lines dp, matrices	2700	x454
1916H2	Matrix Rank (Hard Version) combinatorics, dp, math, matrices, string suffix structures	2700	x519
1025E	Colored Cubes constructive algorithms, implementation, matrices	2700	x562
1916H1	Matrix Rank (Easy Version) brute force, combinatorics, dp, math, matrices	2700	x600
1411G	No Game No Life bitmasks, games, math, matrices	2700	x646
113D	Museum math, matrices, probabilities	2700	x659
575A	Fibonotci data structures, math, matrices	2700	x774
1458C	Latin Square math, matrices	2700	x1272
576D	Flights for Regular Customers dp, matrices	2700	x1337
177G2	Fibonacci Strings matrices, strings	2600	x178
1402C	Star Trek *special problem, combinatorics, dfs and similar, dp, games, graphs, matrices, trees	2600	x201
832E	Vasya and Shifts matrices	2600	x316
60E	Mushroom Gnomes math, matrices	2600	x321
1895F	Fancy Arrays combinatorics, dp, math, matrices	2600	x707
1681E	Labyrinth Adventures data structures, dp, matrices, shortest paths	2600	x774
1380F	Strange Addition data structures, dp, matrices	2600	x775
917D	Stranger Trees dp, math, matrices, trees	2600	x1108
750E	New Year and Old Subsequence data structures, divide and conquer, dp, matrices	2600	x1528
93D	Flags dp, math, matrices	2500	x342
351C	Jeff and Brackets dp, matrices	2500	x543
1808E2	Minibuses on Venus (medium version) combinatorics, divide and conquer, dp, matrices	2500	x672
147B	Smile House binary search, graphs, matrices	2500	x766
1701F	Points combinatorics, data structures, implementation, math, matrices	2500	x910
696D	Legen... data structures, dp, matrices, strings	2500	x1259
1427E	Xum bitmasks, constructive algorithms, math, matrices, number theory	2500	x1363
348D	Turtles dp, matrices	2500	x1661
51E	Pentagon combinatorics, graphs, matrices	2400	x373
107D	Crime Management dp, graphs, matrices	2400	x402
662A	Gambling Nim bitmasks, math, matrices, probabilities	2400	x451
193C	Hamming Distance constructive algorithms, greedy, math, matrices	2400	x508
946F	Fibonacci String Subsequences combinatorics, dp, matrices	2400	x537
593E	Strange Calculation and Cats dp, matrices	2400	x586
226C	Anniversary data structures, implementation, math, matrices, number theory	2400	x853
837F	Prefix Sums binary search, brute force, combinatorics, math, matrices	2400	x866
1106F	Lunar New Year and a Recursive Sequence math, matrices, number theory	2400	x962
780F	Axel and Marston in Bitland bitmasks, dp, graphs, matrices	2400	x1033
632F	Magic Matrix brute force, divide and conquer, graphs, matrices, trees	2400	x1056
1924C	Fractal Origami geometry, math, matrices	2400	x1098
1713E	Cross Swapping 2-sat, data structures, dsu, greedy, matrices	2400	x1549
1761E	Make It Connected binary search, brute force, constructive algorithms, dsu, graphs, greedy, matrices, trees, two pointers	2400	x1771
1609E	William The Oblivious bitmasks, data structures, dp, matrices	2400	x1977
959F	Mahmoud and Ehab and yet another xor task bitmasks, dp, math, matrices	2400	x2019
385E	Bear in the Field math, matrices	2300	x577
1151F	Sonya and Informatics combinatorics, dp, matrices, probabilities	2300	x1177
1814E	Chain Chips data structures, dp, matrices	2300	x1296
1743F	Intersection and Union data structures, dp, matrices, probabilities	2300	x1455
1101G	(Zero XOR Subset)-less math, matrices	2300	x1657
1182E	Product Oriented Recurrence dp, math, matrices, number theory	2300	x2712
718C	Sasha and Array data structures, math, matrices	2300	x3721
1188B	Count Pairs math, matrices, number theory, two pointers	2300	x4419
1970E3	Trails (Hard) dp, matrices	2200	x576
514E	Darth Vader and Tree dp, matrices	2200	x1403
1335F	Robots on a Grid data structures, dfs and similar, dsu, graphs, greedy, matrices	2200	x2166
954F	Runner's Problem dp, matrices, sortings	2100	x1185
821E	Okabe and El Psy Kongroo dp, matrices	2100	x1444
1252K	Addition Robot data structures, math, matrices	2100	x1829
551D	GukiZ and Binary Operations combinatorics, implementation, math, matrices, number theory	2100	x1949
1023E	Down or Right constructive algorithms, interactive, matrices	2100	x2001
1538E	Funny Substrings data structures, hashing, implementation, matrices, strings	2100	x2851
1332E	Height All the Same combinatorics, constructive algorithms, math, matrices	2100	x3790
1117D	Magic Gems dp, math, matrices	2100	x4108
1970E2	Trails (Medium) dp, matrices	2000	x1011
852B	Neural Network country dp, matrices	2000	x1410
696C	PLEASE combinatorics, dp, implementation, math, matrices	2000	x2072

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