Problemset - Codeforces

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Codeforces Round 987 (Div. 2)
05:47:04
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Problems

#	Name
1684D	Traps constructive algorithms, greedy, sortings	1700	x9756
1684C	Column Swapping brute force, constructive algorithms, greedy, implementation, sortings	1400	x12403
1682F	MCMF? data structures, flows, graphs, greedy, sortings, two pointers	2700	x318
1682E	Unordered Swaps constructive algorithms, dfs and similar, graphs, greedy, math, sortings, trees	2700	x626
1682C	LIS or Reverse LIS? constructive algorithms, greedy, implementation, math	1400	x14878
1682A	Palindromic Indices greedy, strings	800	x19328
1681A	Game with Cards games, greedy	800	x21031
1680E	Moving Chips bitmasks, dp, greedy	2000	x3818
1680D	Dog Walking brute force, greedy, math	2400	x1180
1680C	Binary String binary search, greedy, strings, two pointers	1600	x10016
1679A	AvtoBus brute force, greedy, math, number theory	900	x24755
1678B2	Tokitsukaze and Good 01-String (hard version) dp, greedy, implementation	1800	x6666
1677C	Tokitsukaze and Two Colorful Tapes constructive algorithms, dfs and similar, graphs, greedy	1900	x3632
1676F	Longest Strike data structures, greedy, implementation, sortings, two pointers	1300	x16955
1676E	Eating Queries binary search, greedy, sortings	1100	x26899
1676D	X-Sum brute force, greedy, implementation	1000	x25405
1676C	Most Similar Words brute force, greedy, implementation, implementation, math, strings	800	x30382
1676B	Equal Candies greedy, math, sortings	800	x49171
1675F	Vlad and Unfinished Business dfs and similar, dp, greedy, trees	1800	x5383
1675E	Replace With the Previous, Minimize dsu, greedy, strings	1500	x10771
1675B	Make It Increasing greedy, implementation	900	x27653
1675A	Food for Animals greedy, math	800	x33457
1674F	Desktop Rearrangement data structures, greedy, implementation	1800	x5094
1674E	Breaking the Wall binary search, brute force, constructive algorithms, greedy, math	2000	x6484
1673F	Anti-Theft Road Planning bitmasks, constructive algorithms, divide and conquer, greedy, interactive, math	2400	x839
1673B	A Perfectly Balanced String? brute force, greedy, strings	1100	x15402
1673A	Subtle Substring Subtraction games, greedy, strings	800	x18469
1672I	PermutationForces data structures, greedy	3000	x174
1672H	Zigu Zagu constructive algorithms, data structures, greedy	2700	x979
1672F1	Array Shuffling constructive algorithms, graphs, greedy	2000	x3127
1672E	notepad.exe binary search, constructive algorithms, greedy, interactive	2200	x2259
1672D	Cyclic Rotation constructive algorithms, greedy, implementation, two pointers	1700	x6298
1672C	Unequal Array constructive algorithms, greedy, implementation	1100	x13279
1671D	Insert a Progression brute force, constructive algorithms, greedy	1600	x7717
1671C	Dolce Vita binary search, brute force, greedy, math	1200	x17475
1670D	Very Suspicious binary search, brute force, geometry, greedy, implementation, math	1700	x5165
1670A	Prof. Slim greedy, implementation, sortings	800	x15458
1669H	Maximal AND bitmasks, greedy, math	1300	x19048
1669F	Eating Candies binary search, data structures, greedy, two pointers	1100	x26520
1669C	Odd/Even Increments greedy, greedy, implementation, math	800	x35152
1668B	Social Distance greedy, math, sortings	900	x16767
1667A	Make it Increasing brute force, greedy, math	1300	x14766
1666E	Even Split binary search, constructive algorithms, greedy, math	2500	x737
1666D	Deletive Editing greedy	900	x8849
1665E	MinimizOR bitmasks, brute force, data structures, divide and conquer, greedy, implementation, two pointers	2500	x1537
1665C	Tree Infection binary search, greedy, sortings, trees	1600	x8432
1665B	Array Cloning Technique constructive algorithms, greedy, sortings	900	x20796
1662G	Gastronomic Event dp, greedy, trees		x480
1662D	Evolution of Weasels greedy, implementation, strings		x1896
1662B	Toys greedy, strings		x140
1661F	Teleporters binary search, greedy	2600	x603
1661D	Progressions Covering data structures, greedy	1900	x4790
1661C	Water the Trees binary search, greedy, math	1700	x9413
1661B	Getting Zero bitmasks, brute force, dfs and similar, dp, graphs, greedy, shortest paths	1300	x17922
1661A	Array Balancing greedy, math	800	x18416
1660E	Matrix and Shifts brute force, constructive algorithms, greedy, implementation	1600	x7367
1660C	Get an Even String dp, greedy, strings	1300	x19691
1660A	Vasya and Coins greedy, math	800	x36229
1659D	Reverse Sort Sum constructive algorithms, data structures, greedy, implementation, math, two pointers	1900	x4038
1659C	Line Empire binary search, brute force, dp, greedy, implementation, math	1500	x10670
1659B	Bit Flipping bitmasks, constructive algorithms, greedy, strings	1300	x10998
1659A	Red Versus Blue constructive algorithms, greedy, implementation, math	1000	x19176
1658F	Juju and Binary String brute force, constructive algorithms, greedy, math	2700	x773
1657D	For Gamers. By Gamers. binary search, brute force, greedy, math, sortings	2000	x4922
1657C	Bracket Sequence Deletion greedy, implementation	1200	x16878
1657B	XY Sequence greedy	800	x22870
1656F	Parametric MST binary search, constructive algorithms, graphs, greedy, math, sortings	2600	x1069
1656B	Subtract Operation data structures, greedy, math, two pointers	1100	x19174
1654G	Snowy Mountain data structures, dfs and similar, graphs, greedy, shortest paths, trees	2900	x406
1654F	Minimal String Xoration bitmasks, data structures, divide and conquer, greedy, hashing, sortings, strings	2800	x1211
1654C	Alice and the Cake data structures, greedy, implementation, sortings	1400	x13561
1654A	Maximum Cake Tastiness brute force, greedy, implementation, sortings	800	x18693
1651E	Sum of Matchings brute force, combinatorics, constructive algorithms, dfs and similar, graph matchings, greedy, math	2600	x523
1651B	Prove Him Wrong constructive algorithms, greedy	800	x19688
1650F	Vitaly and Advanced Useless Algorithms dp, greedy, implementation	2200	x1496
1650E	Rescheduling the Exam binary search, data structures, greedy, implementation, math, sortings	1900	x4170
1650C	Weight of the System of Nested Segments greedy, hashing, implementation, sortings	1200	x16827
1649B	Game of Ball Passing greedy, implementation	1300	x13109
1647F	Madoka and Laziness dp, greedy	3100	x456
1647E	Madoka and the Sixth-graders data structures, dfs and similar, greedy	2500	x997
1647C	Madoka and Childish Pranks constructive algorithms, greedy	1300	x12651
1646F	Playing Around the Table constructive algorithms, greedy, implementation	2900	x529
1646B	Quality vs Quantity brute force, constructive algorithms, greedy, sortings, two pointers	800	x21233
1644C	Increase Subarray Sums brute force, dp, greedy, implementation	1400	x13859
1642B	Power Walking greedy	900	x17024
1641D	Two Arrays bitmasks, brute force, combinatorics, greedy, hashing, math, two pointers	2700	x1182
1641C	Anonymity Is Important binary search, brute force, data structures, dsu, greedy, sortings	2200	x2488
1641A	Great Sequence brute force, greedy, sortings	1200	x17965
1638F	Two Posters brute force, data structures, greedy, two pointers	3200	x227
1638D	Big Brush constructive algorithms, data structures, greedy, implementation	2000	x4226
1638A	Reverse constructive algorithms, greedy, math	800	x21508
1637H	Minimize Inversions Number data structures, greedy, math, sortings	3500	x325
1637G	Birthday constructive algorithms, greedy, math	3000	x516
1637F	Towers constructive algorithms, dfs and similar, dp, greedy, trees	2500	x1792
1637D	Yet Another Minimization Problem dp, greedy, math	1800	x7807
1637C	Andrew and Stones greedy, implementation	1200	x17820
1637B	MEX and Array brute force, dp, greedy, math	1100	x14860
1635F	Closest Pair data structures, greedy	2800	x1136
1635E	Cars 2-sat, constructive algorithms, dfs and similar, dsu, graphs, greedy, sortings	2200	x2252
1635C	Differential Sorting constructive algorithms, greedy	1200	x17832