Problemset - Codeforces

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

#	Name
173C	Spiral Maximum brute force, dp	1900	x954
1038E	Maximum Matching bitmasks, brute force, dfs and similar, dp, graphs	2400	x950
813D	Two Melodies dp, flows	2600	x948
659G	Fence Divercity combinatorics, dp, number theory	2300	x946
1132G	Greedy Subsequences data structures, dp, trees	2400	x944
1784D	Wooden Spoon combinatorics, dp	2400	x942
1389F	Bicolored Segments data structures, dp, graph matchings, sortings	2600	x938
356D	Bags and Coins bitmasks, constructive algorithms, dp, greedy	2700	x936
1305G	Kuroni and Antihype bitmasks, brute force, dp, dsu, graphs	3500	x935
1129D	Isolation data structures, dp	2900	x934
79D	Password bitmasks, dp, shortest paths	2800	x934
512D	Fox And Travelling dp, trees	2900	x927
69D	Dot dp, games	1900	x927
1769C1	Подкрутка I *special problem, brute force, dp, greedy	1200	x926
285E	Positions in Permutations combinatorics, dp, math	2600	x926
1566F	Points Movement data structures, dp, greedy, implementation, sortings	2600	x923
1704F	Colouring Game constructive algorithms, dp, games	2600	x921
708E	Student's Camp dp, math	3100	x921
1539E	Game with Cards binary search, constructive algorithms, data structures, dp, greedy, implementation	2500	x919
1793E	Velepin and Marketing binary search, data structures, dp, greedy, sortings, two pointers	2600	x917
1408G	Clusterization Counting combinatorics, dp, dsu, fft, graphs, trees	2700	x917
1280D	Miss Punyverse dp, greedy, trees	2500	x915
46E	Comb data structures, dp	1900	x915
1111D	Destroy the Colony combinatorics, dp, math	2600	x914
1670F	Jee, You See? bitmasks, combinatorics, dp	2400	x912
1842G	Tenzing and Random Operations combinatorics, dp, math, probabilities	2800	x910
1661E	Narrow Components brute force, data structures, dp, dsu, math, trees	2500	x908
1769C2	Подкрутка II *special problem, dp	1300	x907
729F	Financiers Game dp	2500	x907
1200F	Graph Traveler brute force, data structures, dfs and similar, dp, graphs, implementation, math, number theory	2300	x905
1099F	Cookies binary search, data structures, dfs and similar, dp, games, trees	2400	x905
1691F	K-Set Tree combinatorics, dfs and similar, dp, math, trees	2500	x900
429C	Guess the Tree bitmasks, constructive algorithms, dp, greedy, trees	2300	x898
754C	Vladik and chat brute force, constructive algorithms, dp, implementation, strings	2200	x897
633F	The Chocolate Spree dfs and similar, dp, graphs, trees	2600	x897
142C	Help Caretaker brute force, dp	2300	x897
53E	Dead Ends bitmasks, dp	2500	x896
1129C	Morse Code binary search, data structures, dp, hashing, sortings, string suffix structures, strings	2400	x895
958E2	Guard Duty (medium) binary search, dp, greedy, sortings	2200	x893
1239E	Turtle dp, implementation	3100	x892
1032F	Vasya and Maximum Matching dp, trees	2400	x890
914G	Sum the Fibonacci bitmasks, divide and conquer, dp, fft, math	2600	x890
868D	Huge Strings bitmasks, brute force, dp, implementation, strings	2200	x889
1400G	Mercenaries bitmasks, brute force, combinatorics, dp, dsu, math, two pointers	2600	x886
294E	Shaass the Great dp, trees	2300	x884
392B	Tower of Hanoi dp		x883
1737E	Ela Goes Hiking combinatorics, dp, math, probabilities	2500	x882
1917F	Construct Tree bitmasks, constructive algorithms, dp, trees	2500	x880
425C	Sereja and Two Sequences data structures, dp	2300	x880
990F	Flow Control dfs and similar, dp, greedy, trees	2400	x868
482C	Game with Strings bitmasks, dp, probabilities	2600	x868
932G	Palindrome Partition dp, string suffix structures, strings	2900	x867
939F	Cutlet data structures, dp	2400	x864
354E	Lucky Number Representation constructive algorithms, dfs and similar, dp	2200	x864
1889C2	Doremy's Drying Plan (Hard Version) data structures, dp	2600	x863
1051E	Vasya and Big Integers binary search, data structures, dp, hashing, strings	2600	x863
140E	New Year Garland combinatorics, dp	2600	x863
935E	Fafa and Ancient Mathematics dfs and similar, dp, trees	2300	x862
1096E	The Top Scorer combinatorics, dp, math, probabilities	2500	x857
509F	Progress Monitoring dp, trees	2300	x855
1057C	Tanya and Colored Candies *special problem, dp	2000	x854
1430F	Realistic Gameplay dp, greedy	2600	x852
39E	What Has Dirichlet Got to Do with That? dp, games	2000	x852
559E	Gerald and Path dp, sortings	3000	x851
1620G	Subsequences Galore bitmasks, combinatorics, dp	2400	x850
119C	Education Reform dp	2000	x849
875E	Delivery Club binary search, data structures, dp	2600	x848
859D	Third Month Insanity dp, probabilities, trees	2100	x846
755G	PolandBall and Many Other Balls combinatorics, divide and conquer, dp, fft, math, number theory	3200	x845
1034C	Region Separation combinatorics, dp, number theory, trees	2700	x843
87D	Beautiful Road dfs and similar, dp, dsu, graphs, implementation, sortings, trees	2300	x843
374D	Inna and Sequence binary search, data structures, dp, trees	2000	x841
735E	Ostap and Tree dp, trees	2500	x840
581F	Zublicanes and Mumocrates dp, trees, two pointers	2400	x839
1750F	Majority combinatorics, dp, math, strings	2700	x838
1420E	Battle Lemmings dp, greedy	2500	x838
1111E	Tree data structures, dfs and similar, dp, graphs, trees	2500	x838
1806D	DSU Master combinatorics, dp, dsu, math	2500	x835
1498F	Christmas Game bitmasks, data structures, dfs and similar, dp, games, math, trees	2500	x833
1187F	Expected Square Beauty dp, math, probabilities	2500	x833
1584F	Strange LCS bitmasks, dp, graphs, greedy, strings	2600	x831
1263F	Economic Difficulties data structures, dfs and similar, dp, flows, graphs, trees	2400	x831
1279F	New Year and Handle Change binary search, dp	2800	x829
1700F	Puzzle constructive algorithms, dp, greedy	2600	x828
1178F2	Long Colorful Strip dp	2600	x828
1905E	One-X combinatorics, dfs and similar, dp, math, trees	2400	x826
1617E	Christmas Chocolates dfs and similar, dp, games, graphs, implementation, math, number theory, shortest paths, trees	2700	x826
494C	Helping People dp, probabilities	2600	x826
1767E	Algebra Flash bitmasks, brute force, dp, graphs, math, meet-in-the-middle, trees	2500	x823
1237F	Balanced Domino Placements combinatorics, dp	2600	x819
1955H	The Most Reckless Defense bitmasks, brute force, constructive algorithms, dp, flows, graph matchings, shortest paths	2300	x817
1070G	Monsters and Potions brute force, dp, greedy, implementation	2300	x814
83D	Numbers dp, math, number theory	2400	x814
1909F2	Small Permutation Problem (Hard Version) combinatorics, dp, math	2500	x811
17C	Balance dp	2500	x811
1516E	Baby Ehab Plays with Permutations combinatorics, dp, math	2500	x808
865C	Gotta Go Fast binary search, dp	2400	x808
852E	Casinos and travel dp	2100	x807
1326F1	Wise Men (Easy Version) bitmasks, brute force, dp, meet-in-the-middle	2600	x804
126D	Fibonacci Sums dp, math	2300	x803