Problemset - Codeforces

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Problems

#	Name
1688B	Patchouli's Magical Talisman bitmasks, constructive algorithms, greedy, sortings	800	x18337
1687E	Become Big For Me combinatorics, constructive algorithms, greedy, math, number theory	3500	x233
1687C	Sanae and Giant Robot binary search, brute force, data structures, dsu, greedy, sortings	2500	x1436
1687B	Railway System constructive algorithms, graphs, greedy, interactive, sortings	1700	x3680
1687A	The Enchanted Forest brute force, greedy	1600	x10463
1686B	Odd Subarrays dp, greedy	800	x18335
1686A	Everything Everywhere All But One greedy	800	x20522
1685E	The Ultimate LIS Problem data structures, greedy	3500	x152
1685D2	Permutation Weight (Hard Version) constructive algorithms, greedy	3500	x108
1685C	Bring Balance brute force, constructive algorithms, greedy	2600	x1095
1685B	Linguistics greedy, implementation, sortings, strings	2000	x3300
1685A	Circular Local MiniMax constructive algorithms, greedy, sortings	1100	x17224
1684E	MEX vs DIFF binary search, brute force, constructive algorithms, data structures, greedy, two pointers	2100	x3195
1684D	Traps constructive algorithms, greedy, sortings	1700	x9771
1684C	Column Swapping brute force, constructive algorithms, greedy, implementation, sortings	1400	x12414
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	x14890
1682A	Palindromic Indices greedy, strings	800	x19330
1681A	Game with Cards games, greedy	800	x21053
1680E	Moving Chips bitmasks, dp, greedy	2000	x3825
1680D	Dog Walking brute force, greedy, math	2400	x1182
1680C	Binary String binary search, greedy, strings, two pointers	1600	x10035
1679A	AvtoBus brute force, greedy, math, number theory	900	x24837
1678B2	Tokitsukaze and Good 01-String (hard version) dp, greedy, implementation	1800	x6673
1677C	Tokitsukaze and Two Colorful Tapes constructive algorithms, dfs and similar, graphs, greedy	1900	x3636
1676F	Longest Strike data structures, greedy, implementation, sortings, two pointers	1300	x16973
1676E	Eating Queries binary search, greedy, sortings	1100	x26967
1676D	X-Sum brute force, greedy, implementation	1000	x25495
1676C	Most Similar Words brute force, greedy, implementation, implementation, math, strings	800	x30441
1676B	Equal Candies greedy, math, sortings	800	x49314
1675F	Vlad and Unfinished Business dfs and similar, dp, greedy, trees	1800	x5392
1675E	Replace With the Previous, Minimize dsu, greedy, strings	1500	x10787
1675B	Make It Increasing greedy, implementation	900	x27734
1675A	Food for Animals greedy, math	800	x33515
1674F	Desktop Rearrangement data structures, greedy, implementation	1800	x5097
1674E	Breaking the Wall binary search, brute force, constructive algorithms, greedy, math	2000	x6502
1673F	Anti-Theft Road Planning bitmasks, constructive algorithms, divide and conquer, greedy, interactive, math	2400	x842
1673B	A Perfectly Balanced String? brute force, greedy, strings	1100	x15432
1673A	Subtle Substring Subtraction games, greedy, strings	800	x18476
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	x3136
1672E	notepad.exe binary search, constructive algorithms, greedy, interactive	2200	x2263
1672D	Cyclic Rotation constructive algorithms, greedy, implementation, two pointers	1700	x6303
1672C	Unequal Array constructive algorithms, greedy, implementation	1100	x13292
1671D	Insert a Progression brute force, constructive algorithms, greedy	1600	x7723
1671C	Dolce Vita binary search, brute force, greedy, math	1200	x17503
1670D	Very Suspicious binary search, brute force, geometry, greedy, implementation, math	1700	x5170
1670A	Prof. Slim greedy, implementation, sortings	800	x15472
1669H	Maximal AND bitmasks, greedy, math	1300	x19090
1669F	Eating Candies binary search, data structures, greedy, two pointers	1100	x26613
1669C	Odd/Even Increments greedy, greedy, implementation, math	800	x35240
1668B	Social Distance greedy, math, sortings	900	x16779
1667A	Make it Increasing brute force, greedy, math	1300	x14775
1666E	Even Split binary search, constructive algorithms, greedy, math	2500	x742
1666D	Deletive Editing greedy	900	x8909
1665E	MinimizOR bitmasks, brute force, data structures, divide and conquer, greedy, implementation, two pointers	2500	x1538
1665C	Tree Infection binary search, greedy, sortings, trees	1600	x8436
1665B	Array Cloning Technique constructive algorithms, greedy, sortings	900	x20849
1662G	Gastronomic Event dp, greedy, trees		x481
1662D	Evolution of Weasels greedy, implementation, strings		x1902
1662B	Toys greedy, strings		x141
1661F	Teleporters binary search, greedy	2600	x604
1661D	Progressions Covering data structures, greedy	1900	x4796
1661C	Water the Trees binary search, greedy, math	1700	x9438
1661B	Getting Zero bitmasks, brute force, dfs and similar, dp, graphs, greedy, shortest paths	1300	x17989
1661A	Array Balancing greedy, math	800	x18424
1660E	Matrix and Shifts brute force, constructive algorithms, greedy, implementation	1600	x7380
1660C	Get an Even String dp, greedy, strings	1300	x19720
1660A	Vasya and Coins greedy, math	800	x36260
1659D	Reverse Sort Sum constructive algorithms, data structures, greedy, implementation, math, two pointers	1900	x4041
1659C	Line Empire binary search, brute force, dp, greedy, implementation, math	1500	x10693
1659B	Bit Flipping bitmasks, constructive algorithms, greedy, strings	1300	x11004
1659A	Red Versus Blue constructive algorithms, greedy, implementation, math	1000	x19225
1658F	Juju and Binary String brute force, constructive algorithms, greedy, math	2700	x774
1657D	For Gamers. By Gamers. binary search, brute force, greedy, math, sortings	2000	x4931
1657C	Bracket Sequence Deletion greedy, implementation	1200	x16887
1657B	XY Sequence greedy	800	x22915
1656F	Parametric MST binary search, constructive algorithms, graphs, greedy, math, sortings	2600	x1072
1656B	Subtract Operation data structures, greedy, math, two pointers	1100	x19268
1654G	Snowy Mountain data structures, dfs and similar, graphs, greedy, shortest paths, trees	2900	x408
1654F	Minimal String Xoration bitmasks, data structures, divide and conquer, greedy, hashing, sortings, strings	2800	x1214
1654C	Alice and the Cake data structures, greedy, implementation, sortings	1400	x13572
1654A	Maximum Cake Tastiness brute force, greedy, implementation, sortings	800	x18695
1651E	Sum of Matchings brute force, combinatorics, constructive algorithms, dfs and similar, graph matchings, greedy, math	2600	x524
1651B	Prove Him Wrong constructive algorithms, greedy	800	x19695
1650F	Vitaly and Advanced Useless Algorithms dp, greedy, implementation	2200	x1499
1650E	Rescheduling the Exam binary search, data structures, greedy, implementation, math, sortings	1900	x4174
1650C	Weight of the System of Nested Segments greedy, hashing, implementation, sortings	1200	x16850
1649B	Game of Ball Passing greedy, implementation	1300	x13125
1647F	Madoka and Laziness dp, greedy	3100	x458
1647E	Madoka and the Sixth-graders data structures, dfs and similar, greedy	2500	x998
1647C	Madoka and Childish Pranks constructive algorithms, greedy	1300	x12667
1646F	Playing Around the Table constructive algorithms, greedy, implementation	2900	x529
1646B	Quality vs Quantity brute force, constructive algorithms, greedy, sortings, two pointers	800	x21251
1644C	Increase Subarray Sums brute force, dp, greedy, implementation	1400	x13867
1642B	Power Walking greedy	900	x17036
1641D	Two Arrays bitmasks, brute force, combinatorics, greedy, hashing, math, two pointers	2700	x1189
1641C	Anonymity Is Important binary search, brute force, data structures, dsu, greedy, sortings	2200	x2506