Problemset - Codeforces

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Codeforces Round 940 (Div. 2) and CodeCraft-23
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Problems

#	Name
710E	Generate a String dfs and similar, dp	2000	x4955
1716D	Chip Move brute force, dp, math	2000	x4963
1426F	Number of Subsequences combinatorics, dp, strings	2000	x5079
895C	Square Subsets bitmasks, combinatorics, dp, math	2000	x5090
461B	Appleman and Tree dfs and similar, dp, trees	2000	x5296
1294F	Three Paths on a Tree dfs and similar, dp, greedy, trees	2000	x5328
1379C	Choosing flowers binary search, brute force, data structures, dfs and similar, dp, greedy, sortings, two pointers	2000	x5390
478D	Red-Green Towers dp	2000	x5428
1427C	The Hard Work of Paparazzi dp	2000	x5457
1268B	Domino for Young dp, greedy, math	2000	x5602
337D	Book of Evil dfs and similar, divide and conquer, dp, trees	2000	x5765
1363E	Tree Shuffling dfs and similar, dp, greedy, trees	2000	x6472
1288D	Minimax Problem binary search, bitmasks, dp	2000	x6650
1132F	Clear the String dp	2000	x7234
432D	Prefixes and Suffixes dp, string suffix structures, strings, two pointers	2000	x8140
1359D	Yet Another Yet Another Task data structures, dp, implementation, two pointers	2000	x8911
1370D	Odd-Even Subsequence binary search, dp, dsu, greedy, implementation	2000	x9071
2B	The least round way dp, math	2000	x10176
1909I	Short Permutation Problem combinatorics, dp, fft, math	1900	x72
46E	Comb data structures, dp	1900	x915
69D	Dot dp, games	1900	x927
173C	Spiral Maximum brute force, dp	1900	x954
1906E	Merge Not Sort constructive algorithms, dp	1900	x1260
67D	Optical Experiment binary search, data structures, dp	1900	x1327
208B	Solitaire dfs and similar, dp	1900	x1337
261B	Maxim and Restaurant dp, math, probabilities	1900	x1358
232B	Table bitmasks, combinatorics, dp, math	1900	x1384
279E	Beautiful Decomposition dp, games, greedy, number theory	1900	x1406
258B	Little Elephant and Elections brute force, combinatorics, dp	1900	x1414
158E	Phone Talks *special problem, dp, sortings	1900	x1448
137D	Palindromes dp, strings	1900	x1473
285D	Permutation Sum bitmasks, combinatorics, dp, implementation, meet-in-the-middle	1900	x1504
14E	Camels dp	1900	x1608
362C	Insertion Sort data structures, dp, implementation, math	1900	x1644
213B	Numbers combinatorics, dp	1900	x1662
223B	Two Strings data structures, dp, strings	1900	x1715
208C	Police Station dp, graphs, shortest paths	1900	x1774
883I	Photo Processing binary search, dp	1900	x1887
335B	Palindrome constructive algorithms, dp	1900	x1960
909E	Coprocessor dfs and similar, dp, graphs, greedy	1900	x1977
404D	Minesweeper 1D dp, implementation	1900	x2051
930C	Teodor is not a liar! data structures, dp	1900	x2065
41D	Pawn dp	1900	x2151
613B	Skills binary search, brute force, dp, greedy, sortings, two pointers	1900	x2170
568B	Symmetric and Transitive combinatorics, dp, math	1900	x2218
351B	Jeff and Furik combinatorics, dp, probabilities	1900	x2268
292D	Connected Components data structures, dfs and similar, dp, dsu	1900	x2302
417D	Cunning Gena bitmasks, dp, greedy, sortings	1900	x2367
372B	Counting Rectangles is Fun brute force, divide and conquer, dp	1900	x2509
222E	Decoding Genome dp, matrices	1900	x2516
633C	Spy Syndrome 2 data structures, dp, hashing, implementation, sortings, string suffix structures, strings	1900	x2577
374C	Inna and Dima dfs and similar, dp, graphs, implementation	1900	x2640
1955G	GCD on a grid brute force, dfs and similar, dp, implementation, math, number theory	1900	x2748
1067A	Array Without Local Maximums dp	1900	x2767
1866C	Completely Searching for Inversions dfs and similar, dp, graphs	1900	x2824
1926G	Vlad and Trouble at MIT dfs and similar, dp, flows, graphs, greedy, implementation, trees	1900	x2852
1183H	Subsequences (hard version) dp, strings	1900	x2891
893D	Credit Card data structures, dp, greedy, implementation	1900	x2902
321B	Ciel and Duel dp, flows, greedy	1900	x2945
796C	Bank Hacking constructive algorithms, data structures, dp, trees	1900	x2963
1181C	Flag brute force, combinatorics, dp, implementation	1900	x3000
750D	New Year and Fireworks brute force, data structures, dfs and similar, dp, implementation	1900	x3053
1950G	Shuffling Songs bitmasks, dfs and similar, dp, graphs, hashing, implementation, strings	1900	x3089
730J	Bottles dp	1900	x3139
981D	Bookshelves bitmasks, dp, greedy	1900	x3152
1925D	Good Trip combinatorics, dp, math, probabilities	1900	x3165
682D	Alyona and Strings dp, strings	1900	x3168
1801C	Music Festival binary search, data structures, dp, greedy, sortings	1900	x3180
109C	Lucky Tree dp, dsu, trees	1900	x3180
1777D	Score of a Tree bitmasks, combinatorics, dfs and similar, dp, math, probabilities, trees	1900	x3186
811C	Vladik and Memorable Trip dp, implementation	1900	x3201
1012C	Hills dp	1900	x3207
1932F	Feed Cats data structures, dp, sortings	1900	x3260
959E	Mahmoud and Ehab and the xor-MST bitmasks, dp, graphs, implementation, math	1900	x3292
1774E	Two Chess Pieces dfs and similar, dp, greedy, trees	1900	x3298
582B	Once Again... constructive algorithms, dp, matrices	1900	x3300
650B	Image Preview binary search, brute force, dp, two pointers	1900	x3305
1794D	Counting Factorizations combinatorics, divide and conquer, dp, math, number theory	1900	x3323
1921F	Sum of Progression brute force, data structures, dp, implementation, math	1900	x3374
1015E2	Stars Drawing (Hard Edition) binary search, dp, greedy	1900	x3455
149D	Coloring Brackets dp	1900	x3550
1808C	Unlucky Numbers brute force, dp, greedy, implementation	1900	x3551
1260D	A Game with Traps binary search, dp, greedy, sortings	1900	x3578
1914F	Programming Competition dfs and similar, dp, graph matchings, greedy, trees	1900	x3603
1902D	Robot Queries binary search, data structures, dp, implementation	1900	x3604
1611E2	Escape The Maze (hard version) dfs and similar, dp, greedy, shortest paths, trees	1900	x3622
9D	How many trees? combinatorics, divide and conquer, dp	1900	x3644
1797D	Li Hua and Tree brute force, data structures, dfs and similar, dp, implementation, trees	1900	x3668
1172B	Nauuo and Circle combinatorics, dfs and similar, dp, trees	1900	x3713
148E	Porcelain dp	1900	x3745
685B	Kay and Snowflake data structures, dfs and similar, dp, trees	1900	x3756
1384B1	Koa and the Beach (Easy Version) brute force, dp, greedy	1900	x3820
1200D	White Lines brute force, data structures, dp, implementation, two pointers	1900	x3874
835D	Palindromic characteristics brute force, dp, hashing, strings	1900	x3881
557C	Arthur and Table brute force, data structures, dp, greedy, math, sortings	1900	x3935
1000D	Yet Another Problem On a Subsequence combinatorics, dp	1900	x3937
1077F1	Pictures with Kittens (easy version) dp	1900	x3944
1846G	Rudolf and CodeVid-23 bitmasks, dp, graphs, greedy, shortest paths	1900	x3995
1689D	Lena and Matrix data structures, dp, geometry, shortest paths	1900	x4013
1799D1	Hot Start Up (easy version) dp	1900	x4022