Problemset - Codeforces

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Rayan Programming Contest 2024 - Selection (Codeforces Round, Div. 1 + Div. 2)
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Problems

#	Name
1486F	Pairs of Paths combinatorics, data structures, dfs and similar, dp, trees	2600	x694
1486E	Paired Payment binary search, brute force, constructive algorithms, dp, flows, graphs, shortest paths	2200	x2985
1486D	Max Median binary search, data structures, dp	2100	x7454
1485F	Copy or Prefix Sum combinatorics, data structures, dp, sortings	2400	x2002
1485E	Move and Swap dfs and similar, dp, greedy, trees	2500	x1359
1485B	Replace and Keep Sorted dp, implementation, math	1200	x17154
1482E	Skyline Photo data structures, divide and conquer, dp	2100	x3256
1481F	AB Tree dp, greedy, trees	3100	x487
1481E	Sorting Books data structures, dp, greedy	2500	x2134
1479E	School Clubs dp, fft, math, number theory, probabilities	3500	x216
1479B2	Painting the Array II constructive algorithms, data structures, dp, greedy, implementation	2100	x4094
1479B1	Painting the Array I constructive algorithms, data structures, dp, greedy, implementation	1900	x7021
1478B	Nezzar and Lucky Number brute force, dp, greedy, math	1100	x18365
1476F	Lanterns binary search, data structures, dp	3000	x815
1476D	Journey dfs and similar, dp, dsu, implementation	1700	x8676
1476C	Longest Simple Cycle dp, graphs, greedy	1600	x11444
1475G	Strange Beauty dp, math, number theory, sortings	1900	x6913
1475D	Cleaning the Phone binary search, dp, sortings, two pointers	1800	x10257
1475B	New Year's Number brute force, dp, math	900	x49622
1474F	1 2 3 4 ... dp, math, matrices	3000	x251
1474D	Cleaning data structures, dp, greedy, math	2200	x4013
1473G	Tiles combinatorics, dp, fft, math	2800	x402
1473D	Program data structures, dp, implementation, strings	1700	x9749
1472G	Moving to the Capital dfs and similar, dp, graphs, shortest paths	2100	x4785
1472F	New Year's Puzzle brute force, dp, graph matchings, greedy, sortings	2100	x3083
1472E	Correct Placement binary search, data structures, dp, sortings, two pointers	1700	x8144
1472D	Even-Odd Game dp, games, greedy, sortings	1200	x27737
1472C	Long Jumps dp, graphs	1100	x31686
1472B	Fair Division dp, greedy, math	800	x51292
1470E	Strange Permutation binary search, combinatorics, data structures, dp, graphs, implementation, two pointers	3200	x300
1470A	Strange Birthday Party binary search, dp, greedy, sortings, two pointers	1300	x22778
1469C	Building a Fence dp, greedy, implementation, two pointers	1600	x10805
1469B	Red and Blue dp, greedy	1000	x27610
1468A	LaIS data structures, dp, greedy	2200	x1696
1467E	Distinctive Roots in a Tree data structures, dfs and similar, dp, trees	2500	x1452
1467D	Sum of Paths combinatorics, dp, math	2200	x3716
1466H	Finding satisfactory solutions combinatorics, dp, graphs, greedy, math	3300	x308
1466C	Canine poetry dp, greedy, strings	1300	x17746
1466B	Last minute enhancements dp, greedy	800	x22734
1463F	Max Correct Set bitmasks, dp, math	3100	x611
1462B	Last Year's Substring dp, implementation, strings	800	x27483
1461F	Mathematical Expression constructive algorithms, dp, greedy	2700	x567
1461C	Random Events dp, math, probabilities	1500	x11347
1461B	Find the Spruce brute force, dp, implementation	1400	x12680
1459B	Move and Turn dp, math	1300	x15052
1458B	Glass Half Spilled dp	2000	x3582
1456E	XOR-ranges dp, greedy	3500	x287
1455G	Forbidden Value data structures, dp	2900	x420
1455F	String and Operations dp, greedy	2800	x451
1455D	Sequence and Swaps dp, greedy, sortings	1600	x12375
1453F	Even Harder dp	2700	x848
1453E	Dog Snacks binary search, dfs and similar, dp, greedy, trees	2300	x2066
1452E	Two Editorials brute force, dp, greedy, sortings, two pointers	2500	x1569
1452D	Radio Towers combinatorics, dp, math	1600	x8027
1451C	String Equality dp, greedy, hashing, implementation, strings	1400	x15701
1451B	Non-Substring Subsequence dp, greedy, implementation, strings	900	x19361
1450G	Communism bitmasks, dp, trees	3500	x316
1446C	Xor Tree binary search, bitmasks, data structures, divide and conquer, dp, trees	2100	x3665
1446B	Catching Cheaters dp, strings	1800	x7922
1444E	Finding the Vertex brute force, dfs and similar, dp, interactive, trees	3500	x138
1444D	Rectangular Polyline constructive algorithms, dp, geometry	2900	x574
1443B	Saving the City dp, greedy, math, sortings	1300	x15841
1442E	Black, White and Grey Tree binary search, constructive algorithms, dfs and similar, dp, greedy, trees	3000	x609
1442D	Sum data structures, divide and conquer, dp, greedy	2800	x2302
1442A	Extreme Subtraction constructive algorithms, dp, greedy	1800	x8927
1439D	INOI Final Contests combinatorics, dp, fft	3100	x388
1437F	Emotional Fishermen combinatorics, dp, math, two pointers	2600	x1321
1437E	Make It Increasing binary search, constructive algorithms, data structures, dp, implementation	2200	x3481
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x10612
1433F	Zero Remainder Sum dp	2100	x6145
1431J	Zero-XOR Array *special problem, dp	3400	x44
1431G	Number Deletion Game *special problem, dp, games, greedy	2100	x189
1430G	Yet Another DAG Problem bitmasks, dfs and similar, dp, flows, graphs, math	2600	x723
1430F	Realistic Gameplay dp, greedy	2600	x928
1428G2	Lucky Numbers (Hard Version) dp, greedy	3000	x642
1428G1	Lucky Numbers (Easy Version) dp, greedy	2900	x580
1428F	Fruit Sequences binary search, data structures, divide and conquer, dp, two pointers	2400	x2331
1427C	The Hard Work of Paparazzi dp	2000	x5712
1426F	Number of Subsequences combinatorics, dp, strings	2000	x5414
1425D	Danger of Mad Snakes combinatorics, dp, math	2300	x846
1425B	Blue and Red of Our Faculty! divide and conquer, dp	2600	x292
1423J	Bubble Cup hypothesis bitmasks, constructive algorithms, dp, math	2400	x792
1422E	Minlexes dp, greedy, implementation, strings	2700	x752
1422C	Bargain combinatorics, dp, math	1700	x8288
1421E	Swedish Heroes brute force, dp, implementation	2700	x705
1420E	Battle Lemmings dp, greedy	2500	x943
1420C2	Pokémon Army (hard version) data structures, divide and conquer, dp, greedy, implementation	2100	x4724
1420C1	Pokémon Army (easy version) constructive algorithms, dp, greedy	1300	x17707
1418C	Mortal Kombat Tower dp, graphs, greedy, shortest paths	1500	x20417
1416E	Split binary search, data structures, dp, greedy	3200	x348
1416C	XOR Inverse bitmasks, data structures, divide and conquer, dp, greedy, math, sortings, strings, trees	2000	x4494
1415F	Cakes for Clones dp	2900	x490
1415C	Bouncing Ball brute force, dp, implementation	1400	x10989
1413C	Perform Easily binary search, brute force, dp, implementation, sortings, two pointers	1900	x5763
1409F	Subsequences of Length Two dp, strings	2100	x4497
1409E	Two Platforms binary search, dp, sortings, two pointers	1800	x7884
1408I	Bitwise Magic dp, math	3200	x177
1408G	Clusterization Counting combinatorics, dp, dsu, fft, graphs, trees	2700	x1072
1408D	Searchlights binary search, brute force, data structures, dp, implementation, sortings, two pointers	2000	x4366
1408C	Discrete Acceleration binary search, dp, implementation, math, two pointers	1500	x8892