Problemset - Codeforces

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Problems

#	Name
1710C	XOR Triangle bitmasks, brute force, constructive algorithms, dp, greedy, math	2500	x1275
1710B	Rain binary search, brute force, data structures, geometry, greedy, implementation, math	2100	x2355
1710A	Color the Picture constructive algorithms, greedy, math	1500	x10613
1709E	XOR Tree bitmasks, data structures, dfs and similar, dsu, greedy, trees	2400	x2451
1709D	Rorororobot binary search, data structures, greedy, math	1700	x8081
1709C	Recover an RBS constructive algorithms, greedy, implementation, strings	1800	x8515
1709A	Three Doors brute force, greedy, implementation, math	800	x29035
1708A	Difference Operations greedy, math	800	x21483
1707C	DFS Trees dfs and similar, dsu, graphs, greedy, sortings, trees	2400	x1394
1707A	Doremy's IQ binary search, constructive algorithms, greedy, implementation	1600	x12854
1706E	Qpwoeirut and Vertices binary search, data structures, dfs and similar, divide and conquer, dsu, greedy, trees	2300	x2367
1706D2	Chopping Carrots (Hard Version) brute force, constructive algorithms, data structures, dp, greedy, math, number theory, two pointers	2400	x1653
1706D1	Chopping Carrots (Easy Version) binary search, brute force, constructive algorithms, greedy, number theory	1700	x6675
1706C	Qpwoeirut And The City dp, flows, greedy, implementation	1400	x14443
1706B	Making Towers dp, greedy, math	1100	x16220
1706A	Another String Minimization Problem 2-sat, constructive algorithms, greedy, string suffix structures, strings	800	x22567
1705E	Mark and Professor Koro binary search, bitmasks, brute force, combinatorics, data structures, greedy	2300	x1978
1705D	Mark and Lightbulbs combinatorics, constructive algorithms, greedy, math, sortings	1800	x6106
1705B	Mark the Dust Sweeper constructive algorithms, greedy, implementation	900	x22215
1705A	Mark the Photographer greedy, sortings	800	x24819
1704C	Virus greedy, implementation, sortings	1200	x14422
1704B	Luke is a Foodie brute force, greedy, implementation	1000	x16370
1704A	Two 0-1 Sequences constructive algorithms, greedy	800	x15787
1703G	Good Key, Bad Key bitmasks, brute force, dp, greedy, math	1600	x10028
1703F	Yet Another Problem About Pairs Satisfying an Inequality binary search, data structures, dp, greedy, sortings	1300	x18231
1702F	Equate Multisets constructive algorithms, data structures, greedy, math, number theory	1700	x7947
1702D	Not a Cheap String greedy	1000	x22978
1702C	Train and Queries data structures, greedy	1100	x21507
1702B	Polycarp Writes a String from Memory greedy	800	x26944
1701E	Text Editor brute force, dp, greedy, strings	2500	x1058
1701D	Permutation Restoration binary search, data structures, greedy, math, sortings, two pointers	1900	x5485
1701C	Schedule Management binary search, greedy, implementation, two pointers	1400	x15768
1701B	Permutation greedy	800	x19966
1700F	Puzzle constructive algorithms, dp, greedy	2600	x849
1700D	River Locks binary search, dp, greedy, math	1900	x5838
1700C	Helping the Nature constructive algorithms, data structures, greedy	1700	x10465
1700A	Optimal Path constructive algorithms, greedy, math	800	x22554
1699E	Three Days Grace data structures, dp, greedy, math, number theory, two pointers	2600	x1086
1699D	Almost Triple Deletions data structures, dp, greedy	2300	x3026
1698E	PermutationForces II brute force, combinatorics, greedy, sortings, trees, two pointers	2300	x1574
1698B	Rising Sand constructive algorithms, greedy, implementation	800	x20649
1697E	Coloring brute force, combinatorics, constructive algorithms, dp, geometry, graphs, greedy, implementation, math	2400	x1137
1697C	awoo's Favorite Problem binary search, constructive algorithms, data structures, greedy, implementation, strings, two pointers	1400	x13944
1697B	Promo greedy, sortings	900	x25536
1697A	Parkway Walk greedy, implementation	800	x25414
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	x5185
1696C	Fishingprince Plays With Array constructive algorithms, greedy, implementation, math	1400	x11312
1696B	NIT Destroys the Universe greedy	900	x19356
1696A	NIT orz! bitmasks, greedy	800	x18328
1695D2	Tree Queries (Hard Version) constructive algorithms, dfs and similar, dp, greedy, trees	2300	x1921
1695D1	Tree Queries (Easy Version) brute force, constructive algorithms, dfs and similar, dp, greedy, trees	2200	x2091
1695C	Zero Path brute force, data structures, dp, graphs, greedy, shortest paths	1700	x10383
1695B	Circle Game games, greedy	1000	x18024
1694B	Paranoid String constructive algorithms, greedy	1200	x18527
1694A	Creep greedy, implementation	800	x22133
1693F	I Might Be Wrong binary search, greedy, two pointers	3400	x275
1693E	Outermost Maximums data structures, greedy	3400	x371
1693D	Decinc Dividing brute force, data structures, divide and conquer, dp, greedy	2800	x773
1693C	Keshi in Search of AmShZ graphs, greedy, shortest paths	2300	x2442
1693B	Fake Plastic Trees dfs and similar, dp, greedy, trees	1700	x8069
1693A	Directional Increase greedy	1300	x15655
1692H	Gambling data structures, dp, greedy, math	1700	x7064
1692B	All Distinct greedy, sortings	800	x32839
1691E	Number of Groups data structures, dfs and similar, dsu, graphs, greedy, sortings	2300	x1750
1691C	Sum of Substrings brute force, constructive algorithms, greedy, math, strings	1400	x15102
1691B	Shoe Shuffling constructive algorithms, greedy, implementation, two pointers	1000	x21283
1691A	Beat The Odds brute force, greedy, math	800	x29857
1690G	Count the Trains binary search, data structures, greedy, sortings	2000	x3248
1690E	Price Maximization binary search, greedy, math, two pointers	1500	x14526
1690C	Restoring the Duration of Tasks data structures, greedy, implementation	800	x25431
1690B	Array Decrements greedy, implementation	800	x24771
1690A	Print a Pedestal (Codeforces logo?) constructive algorithms, greedy	800	x32581
1689B	Mystic Permutation data structures, greedy	900	x17109
1689A	Lex String brute force, greedy, implementation, sortings, two pointers	800	x16381
1688C	Manipulating History constructive algorithms, greedy, strings	1700	x7902
1688B	Patchouli's Magical Talisman bitmasks, constructive algorithms, greedy, sortings	800	x17859
1687E	Become Big For Me combinatorics, constructive algorithms, greedy, math, number theory	3500	x215
1687C	Sanae and Giant Robot binary search, brute force, data structures, dsu, greedy, sortings	2500	x1338
1687B	Railway System constructive algorithms, graphs, greedy, interactive, sortings	1700	x3487
1687A	The Enchanted Forest brute force, greedy	1600	x9981
1686B	Odd Subarrays dp, greedy	800	x17908
1686A	Everything Everywhere All But One greedy	800	x20184
1685E	The Ultimate LIS Problem data structures, greedy	3500	x142
1685D2	Permutation Weight (Hard Version) constructive algorithms, greedy	3500	x104
1685C	Bring Balance brute force, constructive algorithms, greedy	2600	x917
1685B	Linguistics greedy, implementation, sortings, strings	2000	x3166
1685A	Circular Local MiniMax constructive algorithms, greedy, sortings	1100	x16488
1684E	MEX vs DIFF binary search, brute force, constructive algorithms, data structures, greedy, two pointers	2100	x3041
1684D	Traps constructive algorithms, greedy, sortings	1700	x9310
1684C	Column Swapping brute force, constructive algorithms, greedy, implementation, sortings	1400	x12027
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	x561
1682C	LIS or Reverse LIS? constructive algorithms, greedy, implementation, math	1400	x14123
1682A	Palindromic Indices greedy, strings	800	x19024
1681A	Game with Cards games, greedy	800	x20734
1680E	Moving Chips bitmasks, dp, greedy	2000	x3633
1680D	Dog Walking brute force, greedy, math	2400	x1114
1680C	Binary String binary search, greedy, strings, two pointers	1600	x9511
1679A	AvtoBus brute force, greedy, math, number theory	900	x21905