Problemset - Codeforces

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Problems

#	Name
1684A	Digit Minimization constructive algorithms, games, math, strings	800	x23805
1682F	MCMF? data structures, flows, graphs, greedy, sortings, two pointers	2700	x312
1682E	Unordered Swaps constructive algorithms, dfs and similar, graphs, greedy, math, sortings, trees	2700	x595
1682D	Circular Spanning Tree constructive algorithms, implementation, trees	2000	x3297
1682C	LIS or Reverse LIS? constructive algorithms, greedy, implementation, math	1400	x14696
1682B	AND Sorting bitmasks, constructive algorithms, sortings	1100	x18447
1682A	Palindromic Indices greedy, strings	800	x19261
1681F	Unique Occurrences data structures, dfs and similar, divide and conquer, dp, dsu, trees	2300	x1735
1681E	Labyrinth Adventures data structures, dp, matrices, shortest paths	2600	x794
1681D	Required Length brute force, dfs and similar, dp, hashing, shortest paths	1700	x9587
1681C	Double Sort implementation, sortings	1200	x17314
1681B	Card Trick implementation, math	800	x20071
1681A	Game with Cards games, greedy	800	x20945
1680F	Lenient Vertex Cover dfs and similar, divide and conquer, dsu, graphs, trees	2600	x661
1680E	Moving Chips bitmasks, dp, greedy	2000	x3778
1680D	Dog Walking brute force, greedy, math	2400	x1164
1680C	Binary String binary search, greedy, strings, two pointers	1600	x9893
1680B	Robots implementation	800	x18286
1680A	Minimums and Maximums brute force, math	800	x21525
1679F	Formalism for Formalism bitmasks, dp, math	2600	x536
1679E	Typical Party in Dorm bitmasks, combinatorics, dp, strings	2400	x1152
1679D	Toss a Coin to Your Graph... binary search, dfs and similar, dp, graphs	1900	x4790
1679C	Rooks Defenders data structures, implementation	1400	x10275
1679B	Stone Age Problem data structures, implementation	1200	x18336
1679A	AvtoBus brute force, greedy, math, number theory	900	x23945
1678B2	Tokitsukaze and Good 01-String (hard version) dp, greedy, implementation	1800	x6588
1678B1	Tokitsukaze and Good 01-String (easy version) implementation	800	x15905
1678A	Tokitsukaze and All Zero Sequence implementation	800	x18132
1677F	Tokitsukaze and Gems dp, math	3500	x93
1677E	Tokitsukaze and Beautiful Subsegments data structures	2900	x546
1677D	Tokitsukaze and Permutations dp, math	2500	x1253
1677C	Tokitsukaze and Two Colorful Tapes constructive algorithms, dfs and similar, graphs, greedy	1900	x3556
1677B	Tokitsukaze and Meeting data structures, implementation, math	1700	x4166
1677A	Tokitsukaze and Strange Inequality brute force, data structures, dp	1600	x8403
1676H2	Maximum Crossings (Hard Version) data structures, divide and conquer, sortings	1500	x10685
1676H1	Maximum Crossings (Easy Version) brute force	1400	x13974
1676G	White-Black Balanced Subtrees dfs and similar, dp, graphs, trees	1300	x15536
1676F	Longest Strike data structures, greedy, implementation, sortings, two pointers	1300	x16652
1676E	Eating Queries binary search, greedy, sortings	1100	x26143
1676D	X-Sum brute force, greedy, implementation	1000	x25055
1676C	Most Similar Words brute force, greedy, implementation, implementation, math, strings	800	x30034
1676B	Equal Candies greedy, math, sortings	800	x48088
1676A	Lucky? implementation	800	x63042
1675G	Sorting Pancakes dp	2300	x1768
1675F	Vlad and Unfinished Business dfs and similar, dp, greedy, trees	1800	x5293
1675E	Replace With the Previous, Minimize dsu, greedy, strings	1500	x10578
1675D	Vertical Paths graphs, implementation, trees	1300	x12991
1675C	Detective Task implementation	1100	x18183
1675B	Make It Increasing greedy, implementation	900	x26854
1675A	Food for Animals greedy, math	800	x32872
1674G	Remove Directed Edges dfs and similar, dp, graphs	2000	x2485
1674F	Desktop Rearrangement data structures, greedy, implementation	1800	x5025
1674E	Breaking the Wall binary search, brute force, constructive algorithms, greedy, math	2000	x6391
1674D	A-B-C Sort constructive algorithms, implementation, sortings	1200	x16275
1674C	Infinite Replacement combinatorics, implementation, strings	1000	x23546
1674B	Dictionary combinatorics, math	800	x26222
1674A	Number Transformation constructive algorithms, math	800	x26223
1673F	Anti-Theft Road Planning bitmasks, constructive algorithms, divide and conquer, greedy, interactive, math	2400	x815
1673E	Power or XOR? bitmasks, combinatorics, math, number theory	2500	x704
1673D	Lost Arithmetic Progression combinatorics, math, number theory	1900	x3297
1673C	Palindrome Basis brute force, dp, math, number theory	1500	x12666
1673B	A Perfectly Balanced String? brute force, greedy, strings	1100	x15106
1673A	Subtle Substring Subtraction games, greedy, strings	800	x18420
1672I	PermutationForces data structures, greedy	3000	x172
1672H	Zigu Zagu constructive algorithms, data structures, greedy	2700	x945
1672G	Cross Xor constructive algorithms, graphs, math, matrices	3200	x321
1672F2	Checker for Array Shuffling constructive algorithms, dfs and similar, graphs	2800	x804
1672F1	Array Shuffling constructive algorithms, graphs, greedy	2000	x3080
1672E	notepad.exe binary search, constructive algorithms, greedy, interactive	2200	x2230
1672D	Cyclic Rotation constructive algorithms, greedy, implementation, two pointers	1700	x6214
1672C	Unequal Array constructive algorithms, greedy, implementation	1100	x13197
1672B	I love AAAB constructive algorithms, implementation	800	x15786
1672A	Log Chopping games, implementation, math	800	x16051
1671F	Permutation Counting brute force, combinatorics, dp, fft, math	2700	x332
1671E	Preorder combinatorics, divide and conquer, dp, dsu, hashing, sortings, trees	2100	x2737
1671D	Insert a Progression brute force, constructive algorithms, greedy	1600	x7628
1671C	Dolce Vita binary search, brute force, greedy, math	1200	x17074
1671B	Consecutive Points Segment brute force, math, sortings	1000	x18498
1671A	String Building implementation	800	x20429
1670F	Jee, You See? bitmasks, combinatorics, dp	2400	x970
1670E	Hemose on the Tree bitmasks, constructive algorithms, dfs and similar, trees	2200	x1741
1670D	Very Suspicious binary search, brute force, geometry, greedy, implementation, math	1700	x5097
1670C	Where is the Pizza? data structures, dfs and similar, dsu, graphs, implementation, math	1400	x9919
1670B	Dorms War brute force, implementation, strings	1100	x12638
1670A	Prof. Slim greedy, implementation, sortings	800	x15401
1669H	Maximal AND bitmasks, greedy, math	1300	x18365
1669G	Fall Down dfs and similar, implementation	1200	x18184
1669F	Eating Candies binary search, data structures, greedy, two pointers	1100	x25537
1669E	2-Letter Strings data structures, math, strings	1200	x17796
1669D	Colorful Stamp implementation	1100	x22126
1669C	Odd/Even Increments greedy, greedy, implementation, math	800	x34498
1669B	Triple implementation, sortings	800	x42888
1669A	Division? implementation	800	x62368
1668B	Social Distance greedy, math, sortings	900	x16602
1668A	Direction Change implementation, math	800	x16288
1667F	Yin Yang implementation	3500	x99
1667E	Centroid Probabilities combinatorics, dp, fft, math	3000	x646
1667D	Edge Elimination constructive algorithms, dfs and similar, dp, trees	2900	x662
1667C	Half Queen Cover constructive algorithms, math	2400	x1569
1667B	Optimal Partition data structures, dp	2100	x3676