Problemset - Codeforces

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Problems

#	Name
1468A	LaIS data structures, dp, greedy	2200	x1564
1467E	Distinctive Roots in a Tree data structures, dfs and similar, dp, trees	2500	x1333
1467D	Sum of Paths combinatorics, dp, math	2200	x3541
1466H	Finding satisfactory solutions combinatorics, dp, graphs, greedy, math	3300	x261
1466C	Canine poetry dp, greedy, strings	1300	x17311
1466B	Last minute enhancements dp, greedy	800	x22380
1463F	Max Correct Set bitmasks, dp, math	3100	x552
1462B	Last Year's Substring dp, implementation, strings	800	x26569
1461F	Mathematical Expression constructive algorithms, dp, greedy	2700	x528
1461C	Random Events dp, math, probabilities	1500	x10852
1461B	Find the Spruce brute force, dp, implementation	1400	x12355
1459B	Move and Turn dp, math	1300	x13916
1458B	Glass Half Spilled dp	2000	x3377
1456E	XOR-ranges dp, greedy	3500	x269
1455G	Forbidden Value data structures, dp	2900	x398
1455F	String and Operations dp, greedy	2800	x418
1455D	Sequence and Swaps dp, greedy, sortings	1600	x11989
1453F	Even Harder dp	2700	x805
1453E	Dog Snacks binary search, dfs and similar, dp, greedy, trees	2300	x1969
1452E	Two Editorials brute force, dp, greedy, sortings, two pointers	2500	x1486
1452D	Radio Towers combinatorics, dp, math	1600	x7766
1451C	String Equality dp, greedy, hashing, implementation, strings	1400	x15214
1451B	Non-Substring Subsequence dp, greedy, implementation, strings	900	x19006
1450G	Communism bitmasks, dp, trees	3500	x233
1446C	Xor Tree binary search, bitmasks, data structures, divide and conquer, dp, trees	2100	x3392
1446B	Catching Cheaters dp, strings	1800	x7543
1444E	Finding the Vertex brute force, dfs and similar, dp, interactive, trees	3500	x130
1444D	Rectangular Polyline constructive algorithms, dp, geometry	2900	x536
1443B	Saving the City dp, greedy, math, sortings	1300	x15499
1442E	Black, White and Grey Tree binary search, constructive algorithms, dfs and similar, dp, greedy, trees	3000	x553
1442D	Sum data structures, divide and conquer, dp, greedy	2800	x1927
1442A	Extreme Subtraction constructive algorithms, dp, greedy	1800	x8570
1439D	INOI Final Contests combinatorics, dp, fft	3100	x339
1437F	Emotional Fishermen combinatorics, dp, math, two pointers	2600	x1164
1437E	Make It Increasing binary search, constructive algorithms, data structures, dp, implementation	2200	x3327
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x10121
1433F	Zero Remainder Sum dp	2100	x5843
1431J	Zero-XOR Array *special problem, dp	3400	x42
1431G	Number Deletion Game *special problem, dp, games, greedy	2100	x138
1430G	Yet Another DAG Problem bitmasks, dfs and similar, dp, flows, graphs, math	2600	x626
1430F	Realistic Gameplay dp, greedy	2600	x859
1428G2	Lucky Numbers (Hard Version) dp, greedy	3000	x609
1428G1	Lucky Numbers (Easy Version) dp, greedy	2900	x549
1428F	Fruit Sequences binary search, data structures, divide and conquer, dp, two pointers	2400	x2164
1427C	The Hard Work of Paparazzi dp	2000	x5476
1426F	Number of Subsequences combinatorics, dp, strings	2000	x5115
1425D	Danger of Mad Snakes combinatorics, dp, math	2300	x803
1425B	Blue and Red of Our Faculty! divide and conquer, dp	2600	x273
1423J	Bubble Cup hypothesis bitmasks, constructive algorithms, dp, math	2400	x735
1422E	Minlexes dp, greedy, implementation, strings	2700	x730
1422C	Bargain combinatorics, dp, math	1700	x8076
1421E	Swedish Heroes brute force, dp, implementation	2700	x674
1420E	Battle Lemmings dp, greedy	2500	x848
1420C2	Pokémon Army (hard version) data structures, divide and conquer, dp, greedy, implementation	2100	x4501
1420C1	Pokémon Army (easy version) constructive algorithms, dp, greedy	1300	x17024
1418C	Mortal Kombat Tower dp, graphs, greedy, shortest paths	1500	x18218
1416E	Split binary search, data structures, dp, greedy	3200	x274
1416C	XOR Inverse bitmasks, data structures, divide and conquer, dp, greedy, math, sortings, strings, trees	2000	x4181
1415F	Cakes for Clones dp	2900	x401
1415C	Bouncing Ball brute force, dp, implementation	1400	x10653
1413C	Perform Easily binary search, brute force, dp, implementation, sortings, two pointers	1900	x5540
1409F	Subsequences of Length Two dp, strings	2100	x4271
1409E	Two Platforms binary search, dp, sortings, two pointers	1800	x7564
1408I	Bitwise Magic dp, math	3200	x166
1408G	Clusterization Counting combinatorics, dp, dsu, fft, graphs, trees	2700	x926
1408D	Searchlights binary search, brute force, data structures, dp, implementation, sortings, two pointers	2000	x4163
1408C	Discrete Acceleration binary search, dp, implementation, math, two pointers	1500	x8627
1407E	Egor in the Republic of Dagestan constructive algorithms, dfs and similar, dp, graphs, greedy, shortest paths	2500	x1604
1407D	Discrete Centrifugal Jumps data structures, dp, graphs	2200	x4631
1406B	Maximum Product brute force, dp, greedy, implementation, sortings	1200	x22047
1404B	Tree Tag dfs and similar, dp, games, trees	1900	x7086
1403C	Chess Rush *special problem, combinatorics, dp, implementation, math	3200	x42
1402C	Star Trek *special problem, combinatorics, dfs and similar, dp, games, graphs, matrices, trees	2600	x198
1401D	Maximum Distributed Tree dfs and similar, dp, greedy, implementation, math, number theory, sortings, trees	1800	x8864
1400G	Mercenaries bitmasks, brute force, combinatorics, dp, dsu, math, two pointers	2600	x902
1400F	x-prime Substrings brute force, dfs and similar, dp, string suffix structures, strings	2800	x782
1400E	Clear the Multiset data structures, divide and conquer, dp, greedy	2200	x5017
1399F	Yet Another Segments Subset data structures, dp, graphs, sortings	2300	x1561
1398F	Controversial Rounds binary search, data structures, dp, greedy, two pointers	2500	x1068
1398D	Colored Rectangles dp, greedy, sortings	1800	x11003
1398C	Good Subarrays data structures, dp, math	1600	x24203
1396C	Monster Invaders dp, greedy, implementation	2300	x2389
1395C	Boboniu and Bit Operations bitmasks, brute force, dp, greedy	1600	x13515
1394D	Boboniu and Jianghu dp, greedy, sortings, trees	2800	x805
1394A	Boboniu Chats with Du dp, greedy, sortings, two pointers	1800	x6456
1393E2	Twilight and Ancient Scroll (harder version) dp, hashing, implementation, string suffix structures, strings, two pointers	3200	x346
1393E1	Twilight and Ancient Scroll (easier version) dp, hashing, implementation, string suffix structures, strings	2800	x368
1393D	Rarity and New Dress dfs and similar, dp, implementation, shortest paths	2100	x3768
1392H	ZS Shuffles Cards combinatorics, dp, math, probabilities	3000	x673
1392G	Omkar and Pies bitmasks, dfs and similar, dp, math, shortest paths	2900	x442
1392D	Omkar and Bed Wars dp, greedy	1700	x8442
1391D	505 bitmasks, brute force, constructive algorithms, dp, greedy, implementation	2000	x4935
1391C	Cyclic Permutations combinatorics, dp, graphs, math	1500	x14552
1389G	Directing Edges dfs and similar, dp, graphs, trees	2800	x381
1389F	Bicolored Segments data structures, dp, graph matchings, sortings	2600	x946
1389C	Good String brute force, dp, greedy, two pointers	1500	x18381
1389B	Array Walk brute force, dp, greedy	1600	x15815
1387C	Viruses *special problem, dp, shortest paths, string suffix structures	2900	x125
1387B1	Village (Minimum) *special problem, dp, greedy, trees	2100	x1327
1387A	Graph *special problem, binary search, dfs and similar, dp, math, ternary search	2100	x671