Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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Codeforces Round 941 (Div. 2)
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Problems

#	Name
933A	A Twisty Movement dp	1800	x4818
1856E1	PermuTree (easy version) dfs and similar, dp, trees	1800	x4861
274B	Zero Tree dfs and similar, dp, greedy, trees	1800	x4883
1833G	Ksyusha and Chinchilla constructive algorithms, dfs and similar, dp, dsu, greedy, implementation, trees	1800	x4888
1843F1	Omsk Metro (simple version) data structures, dfs and similar, dp, graphs, greedy, math, trees	1800	x4948
1675F	Vlad and Unfinished Business dfs and similar, dp, greedy, trees	1800	x4987
1133E	K Balanced Teams dp, sortings, two pointers	1800	x5137
1083A	The Fair Nut and the Best Path data structures, dp, trees	1800	x5182
983B	XOR-pyramid dp	1800	x5206
1582F1	Korney Korneevich and XOR (easy version) bitmasks, dp, greedy	1800	x5235
1955F	Unfair Game dp, games, greedy, math, schedules	1800	x5283
1718A1	Burenka and Traditions (easy version) dp, greedy	1800	x5460
1862F	Magic Will Save the World binary search, bitmasks, brute force, dp	1800	x5600
721C	Journey dp, graphs	1800	x5658
1720D1	Xor-Subsequence (easy version) bitmasks, brute force, dp, strings, trees, two pointers	1800	x5701
1793D	Moscow Gorillas binary search, dp, greedy, implementation, math, two pointers	1800	x5728
245H	Queries for Number of Palindromes dp, hashing, strings	1800	x5914
1635D	Infinite Set bitmasks, dp, math, matrices, number theory, strings	1800	x5981
1734D	Slime Escape data structures, dp, greedy, two pointers	1800	x5997
1805D	A Wide, Wide Graph dfs and similar, dp, graphs, greedy, trees	1800	x6002
1861D	Sorting By Multiplication dp, greedy	1800	x6196
1283E	New Year Parties dp, greedy	1800	x6261
519D	A and B and Interesting Substrings data structures, dp, two pointers	1800	x6265
1620C	BA-String brute force, dp, greedy, implementation, math	1800	x6336
1678B2	Tokitsukaze and Good 01-String (hard version) dp, greedy, implementation	1800	x6376
1394A	Boboniu Chats with Du dp, greedy, sortings, two pointers	1800	x6438
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6492
830A	Office Keys binary search, brute force, dp, greedy, sortings	1800	x6535
1552D	Array Differentiation bitmasks, brute force, constructive algorithms, dfs and similar, dp, graphs, math	1800	x6673
148D	Bag of mice dp, games, math, probabilities	1800	x6728
1728D	Letter Picking constructive algorithms, dp, games, two pointers	1800	x6818
1491D	Zookeeper and The Infinite Zoo bitmasks, constructive algorithms, dp, greedy, math	1800	x6854
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x6994
1296E1	String Coloring (easy version) constructive algorithms, dp, graphs, greedy, sortings	1800	x7084
1244D	Paint the Tree brute force, constructive algorithms, dp, graphs, implementation, trees	1800	x7211
1841C	Ranom Numbers brute force, dp, greedy, math, strings	1800	x7247
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7267
1517D	Explorer Space dp, graphs, shortest paths	1800	x7295
1637D	Yet Another Minimization Problem dp, greedy, math	1800	x7344
1535D	Playoff Tournament data structures, dfs and similar, dp, implementation, trees	1800	x7461
1446B	Catching Cheaters dp, strings	1800	x7513
1409E	Two Platforms binary search, dp, sortings, two pointers	1800	x7531
543A	Writing Code dp	1800	x7662
1096D	Easy Problem dp	1800	x7665
1335E2	Three Blocks Palindrome (hard version) brute force, data structures, dp, two pointers	1800	x7932
1038D	Slime dp, greedy, implementation	1800	x8105
1286A	Garland dp, greedy, sortings	1800	x8377
1381B	Unmerge dp	1800	x8475
1327E	Count The Blocks combinatorics, dp, math	1800	x8485
1572A	Book binary search, brute force, data structures, dp, graphs, implementation, sortings	1800	x8503
1442A	Extreme Subtraction constructive algorithms, dp, greedy	1800	x8546
1221D	Make The Fence Great Again dp	1800	x8592
1401D	Maximum Distributed Tree dfs and similar, dp, greedy, implementation, math, number theory, sortings, trees	1800	x8843
1324F	Maximum White Subtree dfs and similar, dp, graphs, trees	1800	x8978
580D	Kefa and Dishes bitmasks, dp	1800	x9104
1525D	Armchairs dp, flows, graph matchings, greedy	1800	x9344
1475D	Cleaning the Phone binary search, dp, sortings, two pointers	1800	x9687
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x10068
1398D	Colored Rectangles dp, greedy, sortings	1800	x10963
1509C	The Sports Festival dp, greedy	1800	x11740
1328D	Carousel constructive algorithms, dp, graphs, greedy, math	1800	x12482
161D	Distance in Tree dfs and similar, dp, trees	1800	x13492
1571E	Fix the String *special problem, bitmasks, dp, greedy	1700	x319
1346E	Magic Tricks *special problem, dp, graphs	1700	x368
524B	Фото на память - 2 (round version) dp, greedy	1700	x1444
44H	Phone Number dp	1700	x1671
176B	Word Cut dp	1700	x1698
76D	Plus and xor dp, greedy, math	1700	x1987
101B	Buses binary search, data structures, dp	1700	x2486
163A	Substring and Subsequence dp	1700	x2613
201A	Clear Symmetry constructive algorithms, dp, math	1700	x2960
35D	Animals dp, greedy	1700	x3131
917B	MADMAX dfs and similar, dp, games, graphs	1700	x3477
1580A	Portal brute force, data structures, dp, greedy, implementation	1700	x3541
283B	Cow Program dfs and similar, dp, graphs	1700	x3605
924C	Riverside Curio data structures, dp, greedy	1700	x3674
1032C	Playing Piano constructive algorithms, dp	1700	x3884
627A	XOR Equation dp, math	1700	x3944
685A	Robbers' watch brute force, combinatorics, dp, math	1700	x4142
766C	Mahmoud and a Message brute force, dp, greedy, strings	1700	x4311
718A	Efim and Strange Grade dp, implementation, math	1700	x4316
294B	Shaass and Bookshelf dp, greedy	1700	x4349
1202B	You Are Given a Decimal String... brute force, dp, shortest paths	1700	x4354
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x5375
1561D1	Up the Strip (simplified version) brute force, data structures, dp, math, number theory	1700	x5376
1015E1	Stars Drawing (Easy Edition) brute force, dp, greedy	1700	x5438
1822F	Gardening Friends brute force, dfs and similar, dp, graphs, trees	1700	x5518
798C	Mike and gcd problem dp, greedy, number theory	1700	x5573
106C	Buns dp	1700	x5678
1881F	Minimum Maximum Distance dfs and similar, dp, graphs, shortest paths, trees	1700	x5932
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6075
269B	Greenhouse Effect dp	1700	x6105
1562D1	Two Hundred Twenty One (easy version) data structures, dp, math	1700	x6175
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6298
1608C	Game Master data structures, dfs and similar, dp, graphs, greedy, two pointers	1700	x6403
1204C	Anna, Svyatoslav and Maps dp, graphs, greedy, shortest paths	1700	x6424
1879D	Sum of XOR Functions bitmasks, combinatorics, divide and conquer, dp, math	1700	x6501
1091D	New Year and the Permutation Concatenation combinatorics, dp, math	1700	x6580
518D	Ilya and Escalator combinatorics, dp, math, probabilities	1700	x6663
1731D	Valiant's New Map binary search, brute force, data structures, dp, two pointers	1700	x6672