Problemset - Codeforces

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Educational Codeforces Round 165 (Rated for Div. 2)
23:26:55
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Problems

#	Name
1707A	Doremy's IQ binary search, constructive algorithms, greedy, implementation	1600	x12805
1706E	Qpwoeirut and Vertices binary search, data structures, dfs and similar, divide and conquer, dsu, greedy, trees	2300	x2353
1706D2	Chopping Carrots (Hard Version) brute force, constructive algorithms, data structures, dp, greedy, math, number theory, two pointers	2400	x1649
1706D1	Chopping Carrots (Easy Version) binary search, brute force, constructive algorithms, greedy, number theory	1700	x6650
1706C	Qpwoeirut And The City dp, flows, greedy, implementation	1400	x14414
1706B	Making Towers dp, greedy, math	1100	x16194
1706A	Another String Minimization Problem 2-sat, constructive algorithms, greedy, string suffix structures, strings	800	x22538
1705E	Mark and Professor Koro binary search, bitmasks, brute force, combinatorics, data structures, greedy	2300	x1977
1705D	Mark and Lightbulbs combinatorics, constructive algorithms, greedy, math, sortings	1800	x6088
1705B	Mark the Dust Sweeper constructive algorithms, greedy, implementation	900	x22150
1705A	Mark the Photographer greedy, sortings	800	x24792
1704C	Virus greedy, implementation, sortings	1200	x14354
1704B	Luke is a Foodie brute force, greedy, implementation	1000	x16278
1704A	Two 0-1 Sequences constructive algorithms, greedy	800	x15776
1703G	Good Key, Bad Key bitmasks, brute force, dp, greedy, math	1600	x9959
1703F	Yet Another Problem About Pairs Satisfying an Inequality binary search, data structures, dp, greedy, sortings	1300	x18068
1702F	Equate Multisets constructive algorithms, data structures, greedy, math, number theory	1700	x7912
1702D	Not a Cheap String greedy	1000	x22907
1702C	Train and Queries data structures, greedy	1100	x21442
1702B	Polycarp Writes a String from Memory greedy	800	x26865
1701E	Text Editor brute force, dp, greedy, strings	2500	x1054
1701D	Permutation Restoration binary search, data structures, greedy, math, sortings, two pointers	1900	x5472
1701C	Schedule Management binary search, greedy, implementation, two pointers	1400	x15676
1701B	Permutation greedy	800	x19944
1700F	Puzzle constructive algorithms, dp, greedy	2600	x829
1700D	River Locks binary search, dp, greedy, math	1900	x5822
1700C	Helping the Nature constructive algorithms, data structures, greedy	1700	x10443
1700A	Optimal Path constructive algorithms, greedy, math	800	x22529
1699E	Three Days Grace data structures, dp, greedy, math, number theory, two pointers	2600	x1076
1699D	Almost Triple Deletions data structures, dp, greedy	2300	x3021
1698E	PermutationForces II brute force, combinatorics, greedy, sortings, trees, two pointers	2300	x1567
1698B	Rising Sand constructive algorithms, greedy, implementation	800	x20637
1697E	Coloring brute force, combinatorics, constructive algorithms, dp, geometry, graphs, greedy, implementation, math	2400	x1135
1697C	awoo's Favorite Problem binary search, constructive algorithms, data structures, greedy, implementation, strings, two pointers	1400	x13919
1697B	Promo greedy, sortings	900	x25414
1697A	Parkway Walk greedy, implementation	800	x25381
1696H	Maximum Product? brute force, combinatorics, dp, greedy, implementation, math, two pointers	3500	x153
1696D	Permutation Graph binary search, constructive algorithms, data structures, divide and conquer, greedy, shortest paths	1900	x5163
1696C	Fishingprince Plays With Array constructive algorithms, greedy, implementation, math	1400	x11296
1696B	NIT Destroys the Universe greedy	900	x19237
1696A	NIT orz! bitmasks, greedy	800	x18084
1695D2	Tree Queries (Hard Version) constructive algorithms, dfs and similar, dp, greedy, trees	2300	x1910
1695D1	Tree Queries (Easy Version) brute force, constructive algorithms, dfs and similar, dp, greedy, trees	2200	x2081
1695C	Zero Path brute force, data structures, dp, graphs, greedy, shortest paths	1700	x10348
1695B	Circle Game games, greedy	1000	x17983
1694B	Paranoid String constructive algorithms, greedy	1200	x18475
1694A	Creep greedy, implementation	800	x22103
1693F	I Might Be Wrong binary search, greedy, two pointers	3400	x274
1693E	Outermost Maximums data structures, greedy	3400	x369
1693D	Decinc Dividing brute force, data structures, divide and conquer, dp, greedy	2800	x770
1693C	Keshi in Search of AmShZ graphs, greedy, shortest paths	2300	x2429
1693B	Fake Plastic Trees dfs and similar, dp, greedy, trees	1700	x8041
1693A	Directional Increase greedy	1300	x15617
1692H	Gambling data structures, dp, greedy, math	1700	x7024
1692B	All Distinct greedy, sortings	800	x32660
1691E	Number of Groups data structures, dfs and similar, dsu, graphs, greedy, sortings	2300	x1742
1691C	Sum of Substrings brute force, constructive algorithms, greedy, math, strings	1400	x15062
1691B	Shoe Shuffling constructive algorithms, greedy, implementation, two pointers	1000	x21170
1691A	Beat The Odds brute force, greedy, math	800	x29805
1690G	Count the Trains binary search, data structures, greedy, sortings	2000	x3222
1690E	Price Maximization binary search, greedy, math, two pointers	1500	x14452
1690C	Restoring the Duration of Tasks data structures, greedy, implementation	800	x25360
1690B	Array Decrements greedy, implementation	800	x24593
1690A	Print a Pedestal (Codeforces logo?) constructive algorithms, greedy	800	x32465
1689B	Mystic Permutation data structures, greedy	900	x17088
1689A	Lex String brute force, greedy, implementation, sortings, two pointers	800	x16366
1688C	Manipulating History constructive algorithms, greedy, strings	1700	x7880
1688B	Patchouli's Magical Talisman bitmasks, constructive algorithms, greedy, sortings	800	x17836
1687E	Become Big For Me combinatorics, constructive algorithms, greedy, math, number theory	3500	x212
1687C	Sanae and Giant Robot binary search, brute force, data structures, dsu, greedy, sortings	2500	x1335
1687B	Railway System constructive algorithms, graphs, greedy, interactive, sortings	1700	x3477
1687A	The Enchanted Forest brute force, greedy	1600	x9943
1686B	Odd Subarrays dp, greedy	800	x17882
1686A	Everything Everywhere All But One greedy	800	x20160
1685E	The Ultimate LIS Problem data structures, greedy	3500	x141
1685D2	Permutation Weight (Hard Version) constructive algorithms, greedy	3500	x102
1685C	Bring Balance brute force, constructive algorithms, greedy	2600	x910
1685B	Linguistics greedy, implementation, sortings, strings	2000	x3151
1685A	Circular Local MiniMax constructive algorithms, greedy, sortings	1100	x16451
1684E	MEX vs DIFF binary search, brute force, constructive algorithms, data structures, greedy, two pointers	2100	x3031
1684D	Traps constructive algorithms, greedy, sortings	1700	x9285
1684C	Column Swapping brute force, constructive algorithms, greedy, implementation, sortings	1400	x12004
1682F	MCMF? data structures, flows, graphs, greedy, sortings, two pointers	2700	x285
1682E	Unordered Swaps constructive algorithms, dfs and similar, graphs, greedy, math, sortings, trees	2700	x559
1682C	LIS or Reverse LIS? constructive algorithms, greedy, implementation, math	1400	x14088
1682A	Palindromic Indices greedy, strings	800	x19001
1681A	Game with Cards games, greedy	800	x20703
1680E	Moving Chips bitmasks, dp, greedy	2000	x3626
1680D	Dog Walking brute force, greedy, math	2400	x1111
1680C	Binary String binary search, greedy, strings, two pointers	1600	x9476
1679A	AvtoBus brute force, greedy, math, number theory	900	x21753
1678B2	Tokitsukaze and Good 01-String (hard version) dp, greedy, implementation	1800	x6381
1677C	Tokitsukaze and Two Colorful Tapes constructive algorithms, dfs and similar, graphs, greedy	1900	x3391
1676F	Longest Strike data structures, greedy, implementation, sortings, two pointers	1300	x15749
1676E	Eating Queries binary search, greedy, sortings	1100	x24540
1676D	X-Sum brute force, greedy, implementation	1000	x23913
1676C	Most Similar Words brute force, greedy, implementation, implementation, math, strings	800	x28700
1676B	Equal Candies greedy, math, sortings	800	x44926
1675F	Vlad and Unfinished Business dfs and similar, dp, greedy, trees	1800	x4997
1675E	Replace With the Previous, Minimize dsu, greedy, strings	1500	x10072