Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
35:39:05
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Codeforces Round 941 (Div. 2)
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matrices

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Problems

#	Name
1699B	Almost Ternary Matrix bitmasks, constructive algorithms, matrices	900	x19136
1648A	Weird Sum combinatorics, data structures, geometry, math, matrices, sortings	1400	x11687
485A	Factory implementation, math, matrices	1400	x8084
166E	Tetrahedron dp, math, matrices	1500	x19881
1513C	Add One dp, matrices	1600	x13156
337C	Quiz binary search, greedy, math, matrices, number theory	1600	x4763
225C	Barcode dp, matrices	1700	x8729
1557C	Moamen and XOR bitmasks, combinatorics, dp, math, matrices	1700	x8306
1635D	Infinite Set bitmasks, dp, math, matrices, number theory, strings	1800	x5986
1012B	Chemical table constructive algorithms, dfs and similar, dsu, graphs, matrices	1900	x3646
582B	Once Again... constructive algorithms, dp, matrices	1900	x3302
222E	Decoding Genome dp, matrices	1900	x2522
691E	Xor-sequences matrices	1900	x2353
717D	Dexterina’s Lab games, matrices, probabilities	1900	x1356
621E	Wet Shark and Blocks dp, matrices	2000	x2714
696C	PLEASE combinatorics, dp, implementation, math, matrices	2000	x2045
852B	Neural Network country dp, matrices	2000	x1369
1117D	Magic Gems dp, math, matrices	2100	x4000
1332E	Height All the Same combinatorics, constructive algorithms, math, matrices	2100	x3551
1538E	Funny Substrings data structures, hashing, implementation, matrices, strings	2100	x2798
1023E	Down or Right constructive algorithms, interactive, matrices	2100	x1950
1252K	Addition Robot data structures, math, matrices	2100	x1780
551D	GukiZ and Binary Operations combinatorics, implementation, math, matrices, number theory	2100	x1722
821E	Okabe and El Psy Kongroo dp, matrices	2100	x1410
954F	Runner's Problem dp, matrices, sortings	2100	x975
1335F	Robots on a Grid data structures, dfs and similar, dsu, graphs, greedy, matrices	2200	x1959
514E	Darth Vader and Tree dp, matrices	2200	x1363
1188B	Count Pairs math, matrices, number theory, two pointers	2300	x4207
718C	Sasha and Array data structures, math, matrices	2300	x3360
1182E	Product Oriented Recurrence dp, math, matrices, number theory	2300	x2521
1101G	(Zero XOR Subset)-less math, matrices	2300	x1602
1743F	Intersection and Union data structures, dp, matrices, probabilities	2300	x1406
1814E	Chain Chips data structures, dp, matrices	2300	x1232
1151F	Sonya and Informatics combinatorics, dp, matrices, probabilities	2300	x1138
385E	Bear in the Field math, matrices	2300	x554
959F	Mahmoud and Ehab and yet another xor task bitmasks, dp, math, matrices	2400	x1936
1609E	William The Oblivious bitmasks, data structures, dp, matrices	2400	x1835
1761E	Make It Connected binary search, brute force, constructive algorithms, dsu, graphs, greedy, matrices, trees, two pointers	2400	x1719
1713E	Cross Swapping 2-sat, data structures, dsu, greedy, matrices	2400	x1507
1924C	Fractal Origami geometry, math, matrices	2400	x1024
780F	Axel and Marston in Bitland bitmasks, dp, graphs, matrices	2400	x1018
632F	Magic Matrix brute force, divide and conquer, graphs, matrices, trees	2400	x1018
1106F	Lunar New Year and a Recursive Sequence math, matrices, number theory	2400	x945
226C	Anniversary data structures, implementation, math, matrices, number theory	2400	x842
837F	Prefix Sums binary search, brute force, combinatorics, math, matrices	2400	x734
946F	Fibonacci String Subsequences combinatorics, dp, matrices	2400	x528
193C	Hamming Distance constructive algorithms, greedy, math, matrices	2400	x494
662A	Gambling Nim bitmasks, math, matrices, probabilities	2400	x429
107D	Crime Management dp, graphs, matrices	2400	x400
593E	Strange Calculation and Cats dp, matrices	2400	x399
51E	Pentagon combinatorics, graphs, matrices	2400	x363
348D	Turtles dp, matrices	2500	x1557
1427E	Xum bitmasks, constructive algorithms, math, matrices, number theory	2500	x1258
696D	Legen... data structures, dp, matrices, strings	2500	x1217
1701F	Points combinatorics, data structures, implementation, math, matrices	2500	x880
147B	Smile House binary search, graphs, matrices	2500	x741
1808E2	Minibuses on Venus (medium version) combinatorics, divide and conquer, dp, matrices	2500	x642
351C	Jeff and Brackets dp, matrices	2500	x537
93D	Flags dp, math, matrices	2500	x333
750E	New Year and Old Subsequence data structures, divide and conquer, dp, matrices	2600	x1464
917D	Stranger Trees dp, math, matrices, trees	2600	x999
1380F	Strange Addition data structures, dp, matrices	2600	x753
1681E	Labyrinth Adventures data structures, dp, matrices, shortest paths	2600	x698
1895F	Fancy Arrays combinatorics, dp, math, matrices	2600	x619
60E	Mushroom Gnomes math, matrices	2600	x316
832E	Vasya and Shifts matrices	2600	x277
1402C	Star Trek *special problem, combinatorics, dfs and similar, dp, games, graphs, matrices, trees	2600	x195
177G2	Fibonacci Strings matrices, strings	2600	x171
576D	Flights for Regular Customers dp, matrices	2700	x1305
1458C	Latin Square math, matrices	2700	x1197
575A	Fibonotci data structures, math, matrices	2700	x756
113D	Museum math, matrices, probabilities	2700	x648
1916H1	Matrix Rank (Easy Version) brute force, combinatorics, dp, math, matrices	2700	x581
1411G	No Game No Life bitmasks, games, math, matrices	2700	x578
1025E	Colored Cubes constructive algorithms, implementation, matrices	2700	x547
1916H2	Matrix Rank (Hard Version) combinatorics, dp, math, matrices, string suffix structures	2700	x499
498E	Stairs and Lines dp, matrices	2700	x448
1511F	Chainword brute force, data structures, dp, matrices, string suffix structures, strings	2700	x417
472F	Design Tutorial: Change the Goal constructive algorithms, math, matrices	2700	x248
1197F	Coloring Game dp, games, matrices	2700	x237
989E	A Trance of Nightfall dp, geometry, matrices, probabilities	2700	x228
86E	Long sequence brute force, math, matrices	2700	x178
267C	Berland Traffic math, matrices	2700	x159
1919F2	Wine Factory (Hard Version) data structures, dp, flows, greedy, matrices	2800	x730
1152F1	Neko Rules the Catniverse (Small Version) bitmasks, dp, matrices	2800	x512
736D	Permutations math, matrices	2800	x450
446D	DZY Loves Games math, matrices, probabilities	2800	x378
1616F	Tricolor Triangles brute force, graphs, math, matrices	2900	x582
167E	Wizards and Bets dfs and similar, graphs, math, matrices	2900	x544
917C	Pollywog combinatorics, dp, matrices	2900	x370
193E	Fibonacci Number brute force, math, matrices	2900	x320
1698G	Long Binary String bitmasks, math, matrices, meet-in-the-middle, number theory	2900	x300
497E	Subsequences Return dp, matrices	2900	x281
891E	Lust combinatorics, math, matrices	3000	x841
506E	Mr. Kitayuta's Gift combinatorics, dp, matrices, strings	3000	x681
1844G	Tree Weights bitmasks, constructive algorithms, data structures, dfs and similar, implementation, math, matrices, number theory, trees	3000	x637
1152F2	Neko Rules the Catniverse (Large Version) bitmasks, dp, matrices	3000	x591
453D	Little Pony and Elements of Harmony dp, matrices	3000	x459
1474F	1 2 3 4 ... dp, math, matrices	3000	x239
1286D	LCC data structures, math, matrices, probabilities	3100	x555

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