Problemset - Codeforces

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Codeforces Round 950 (Div. 3)
47:01:11
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Problems

#	Name
1693F	I Might Be Wrong binary search, greedy, two pointers	3400	x276
1693E	Outermost Maximums data structures, greedy	3400	x374
1693D	Decinc Dividing brute force, data structures, divide and conquer, dp, greedy	2800	x782
1693C	Keshi in Search of AmShZ graphs, greedy, shortest paths	2300	x2456
1693B	Fake Plastic Trees dfs and similar, dp, greedy, trees	1700	x8118
1693A	Directional Increase greedy	1300	x15732
1692H	Gambling data structures, dp, greedy, math	1700	x7133
1692G	2^Sort data structures, dp, sortings, two pointers	1400	x16201
1692F	3SUM brute force, math	1300	x21542
1692E	Binary Deque binary search, implementation, two pointers	1200	x20233
1692D	The Clock brute force, implementation	1100	x18830
1692C	Where's the Bishop? implementation	800	x32681
1692B	All Distinct greedy, sortings	800	x32981
1692A	Marathon implementation	800	x60700
1691F	K-Set Tree combinatorics, dfs and similar, dp, math, trees	2500	x912
1691E	Number of Groups data structures, dfs and similar, dsu, graphs, greedy, sortings	2300	x1762
1691D	Max GEQ Sum binary search, constructive algorithms, data structures, divide and conquer, implementation, two pointers	1800	x5533
1691C	Sum of Substrings brute force, constructive algorithms, greedy, math, strings	1400	x15177
1691B	Shoe Shuffling constructive algorithms, greedy, implementation, two pointers	1000	x21526
1691A	Beat The Odds brute force, greedy, math	800	x29969
1690G	Count the Trains binary search, data structures, greedy, sortings	2000	x3273
1690F	Shifting String graphs, math, number theory, strings	1700	x6869
1690E	Price Maximization binary search, greedy, math, two pointers	1500	x14627
1690D	Black and White Stripe implementation, two pointers	1000	x27188
1690C	Restoring the Duration of Tasks data structures, greedy, implementation	800	x25549
1690B	Array Decrements greedy, implementation	800	x24855
1690A	Print a Pedestal (Codeforces logo?) constructive algorithms, greedy	800	x32683
1689E	ANDfinity bitmasks, brute force, constructive algorithms, dfs and similar, dsu, graphs	2500	x1155
1689D	Lena and Matrix data structures, dp, geometry, shortest paths	1900	x4051
1689C	Infected Tree dfs and similar, dp, trees	1600	x10701
1689B	Mystic Permutation data structures, greedy	900	x17159
1689A	Lex String brute force, greedy, implementation, sortings, two pointers	800	x16409
1688C	Manipulating History constructive algorithms, greedy, strings	1700	x7945
1688B	Patchouli's Magical Talisman bitmasks, constructive algorithms, greedy, sortings	800	x17914
1688A	Cirno's Perfect Bitmasks Classroom bitmasks, brute force	800	x20931
1687F	Koishi's Unconscious Permutation fft, math	3500	x78
1687E	Become Big For Me combinatorics, constructive algorithms, greedy, math, number theory	3500	x219
1687D	Cute number binary search, brute force, data structures, dsu, implementation, math	2900	x559
1687C	Sanae and Giant Robot binary search, brute force, data structures, dsu, greedy, sortings	2500	x1345
1687B	Railway System constructive algorithms, graphs, greedy, interactive, sortings	1700	x3501
1687A	The Enchanted Forest brute force, greedy	1600	x10036
1686B	Odd Subarrays dp, greedy	800	x17959
1686A	Everything Everywhere All But One greedy	800	x20225
1685E	The Ultimate LIS Problem data structures, greedy	3500	x143
1685D2	Permutation Weight (Hard Version) constructive algorithms, greedy	3500	x105
1685D1	Permutation Weight (Easy Version) constructive algorithms, dfs and similar, dsu	2800	x427
1685C	Bring Balance brute force, constructive algorithms, greedy	2600	x934
1685B	Linguistics greedy, implementation, sortings, strings	2000	x3181
1685A	Circular Local MiniMax constructive algorithms, greedy, sortings	1100	x16563
1684H	Hard Cut constructive algorithms, dfs and similar, divide and conquer, math	3400	x236
1684G	Euclid Guess constructive algorithms, flows, graph matchings, math, number theory	2800	x582
1684F	Diverse Segments data structures, two pointers	2600	x845
1684E	MEX vs DIFF binary search, brute force, constructive algorithms, data structures, greedy, two pointers	2100	x3062
1684D	Traps constructive algorithms, greedy, sortings	1700	x9366
1684C	Column Swapping brute force, constructive algorithms, greedy, implementation, sortings	1400	x12069
1684B	Z mod X = C constructive algorithms, math	800	x20670
1684A	Digit Minimization constructive algorithms, games, math, strings	800	x23540
1682F	MCMF? data structures, flows, graphs, greedy, sortings, two pointers	2700	x289
1682E	Unordered Swaps constructive algorithms, dfs and similar, graphs, greedy, math, sortings, trees	2700	x566
1682D	Circular Spanning Tree constructive algorithms, implementation, trees	2000	x3197
1682C	LIS or Reverse LIS? constructive algorithms, greedy, implementation, math	1400	x14217
1682B	AND Sorting bitmasks, constructive algorithms, sortings	1100	x17425
1682A	Palindromic Indices greedy, strings	800	x19077
1681F	Unique Occurrences data structures, dfs and similar, divide and conquer, dp, dsu, trees	2300	x1567
1681E	Labyrinth Adventures data structures, dp, matrices, shortest paths	2600	x704
1681D	Required Length brute force, dfs and similar, dp, hashing, shortest paths	1700	x9315
1681C	Double Sort implementation, sortings	1200	x17045
1681B	Card Trick implementation, math	800	x19871
1681A	Game with Cards games, greedy	800	x20789
1680F	Lenient Vertex Cover dfs and similar, divide and conquer, dsu, graphs, trees	2600	x633
1680E	Moving Chips bitmasks, dp, greedy	2000	x3649
1680D	Dog Walking brute force, greedy, math	2400	x1124
1680C	Binary String binary search, greedy, strings, two pointers	1600	x9560
1680B	Robots implementation	800	x18091
1680A	Minimums and Maximums brute force, math	800	x21053
1679F	Formalism for Formalism bitmasks, dp, math	2600	x502
1679E	Typical Party in Dorm bitmasks, combinatorics, dp, strings	2400	x1105
1679D	Toss a Coin to Your Graph... binary search, dfs and similar, dp, graphs	1900	x4592
1679C	Rooks Defenders data structures, implementation	1400	x9941
1679B	Stone Age Problem data structures, implementation	1200	x17183
1679A	AvtoBus brute force, greedy, math, number theory	900	x22211
1678B2	Tokitsukaze and Good 01-String (hard version) dp, greedy, implementation	1800	x6415
1678B1	Tokitsukaze and Good 01-String (easy version) implementation	800	x15708
1678A	Tokitsukaze and All Zero Sequence implementation	800	x17945
1677F	Tokitsukaze and Gems dp, math	3500	x87
1677E	Tokitsukaze and Beautiful Subsegments data structures	2900	x507
1677D	Tokitsukaze and Permutations dp, math	2500	x1196
1677C	Tokitsukaze and Two Colorful Tapes constructive algorithms, dfs and similar, graphs, greedy	1900	x3429
1677B	Tokitsukaze and Meeting data structures, implementation, math	1700	x4030
1677A	Tokitsukaze and Strange Inequality brute force, data structures, dp	1600	x8153
1676H2	Maximum Crossings (Hard Version) data structures, divide and conquer, sortings	1500	x10150
1676H1	Maximum Crossings (Easy Version) brute force	1400	x13394
1676G	White-Black Balanced Subtrees dfs and similar, dp, graphs, trees	1300	x14380
1676F	Longest Strike data structures, greedy, implementation, sortings, two pointers	1300	x15956
1676E	Eating Queries binary search, greedy, sortings	1100	x24854
1676D	X-Sum brute force, greedy, implementation	1000	x24191
1676C	Most Similar Words brute force, greedy, implementation, implementation, math, strings	800	x28981
1676B	Equal Candies greedy, math, sortings	800	x45613
1676A	Lucky? implementation	800	x58949
1675G	Sorting Pancakes dp	2300	x1611