Problemset - Codeforces

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Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2)
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Problems

#	Name
926F	Mobile Communications	2000	x236
926E	Merge Equal Elements constructive algorithms, data structures	1900	x932
926D	Choose Place	1600	x934
926C	Is This a Zebra? implementation	1700	x1890
926B	Add Points math, number theory	1800	x1715
926A	2-3-numbers implementation, math	1300	x3816
925F	Parametric Circulation binary search, flows	3100	x114
925E	May Holidays data structures, trees	2900	x404
925D	Aztec Catacombs constructive algorithms	2600	x524
925C	Big Secret constructive algorithms, math	2200	x1321
925B	Resource Distribution binary search, implementation, sortings	1700	x2208
925A	Stairs and Elevators binary search	1600	x3486
924F	Minimal Subset Difference dp	3200	x213
924E	Wardrobe dp, greedy	2700	x517
924D	Contact ATC	2500	x873
924C	Riverside Curio data structures, dp, greedy	1700	x3879
924B	Three-level Laser binary search, greedy, two pointers	1600	x5319
924A	Mystical Mosaic greedy, implementation	1300	x5058
923F	Public Service constructive algorithms, graphs, trees	3200	x76
923E	Perpetual Subtraction fft, math, matrices	3100	x455
923D	Picking Strings constructive algorithms, implementation, strings	2500	x1199
923C	Perfect Security data structures, greedy, strings, trees	1800	x4309
923B	Producing Snow binary search, data structures	1600	x7356
923A	Primal Sport math, number theory	1700	x5039
922F	Divisibility constructive algorithms, dp, greedy, number theory	2400	x646
922E	Birds dp	2200	x2168
922D	Robot Vacuum Cleaner greedy, sortings	1800	x4401
922C	Cave Painting brute force, number theory	1600	x7149
922B	Magic Forest brute force	1300	x8526
922A	Cloning Toys implementation	1300	x11717
92114	Labyrinth-14	3200
92113	Labyrinth-13	3200
92112	Labyrinth-12	3200
92111	Labyrinth-11	3200
92110	Labyrinth-10	3200
92109	Labyrinth-9	3200
92108	Labyrinth-8	3200
92107	Labyrinth-7	3200
92106	Labyrinth-6	3200
92105	Labyrinth-5	3200
92104	Labyrinth-4	3200
92103	Labyrinth-3	3200
92102	Labyrinth-2	3200
92101	Labyrinth-1	3200
920G	List Of Integers binary search, bitmasks, brute force, combinatorics, math, number theory	2200	x1763
920F	SUM and REPLACE brute force, data structures, dsu, number theory	2000	x6930
920E	Connected Components? data structures, dfs and similar, dsu, graphs	2100	x6486
920D	Tanks dp, greedy, implementation	2400	x730
920C	Swap Adjacent Elements dfs and similar, greedy, math, sortings, two pointers	1400	x9249
920B	Tea Queue implementation	1200	x7398
920A	Water The Garden implementation	1000	x7797
919F	A Game With Numbers games, graphs, shortest paths	2600	x341
919E	Congruence Equation chinese remainder theorem, math, number theory	2100	x2143
919D	Substring dfs and similar, dp, graphs	1700	x10240
919C	Seat Arrangements brute force, implementation	1300	x9000
919B	Perfect Number binary search, brute force, dp, implementation, number theory	1100	x28434
919A	Supermarket brute force, greedy, implementation	800	x16165
918B	Radio Station implementation, strings	900	x16932
918A	Eleven brute force, implementation	800	x17161
917E	Upside Down data structures, string suffix structures, strings, trees	3400	x136
917D	Stranger Trees dp, math, matrices, trees	2600	x1164
917C	Pollywog combinatorics, dp, matrices	2900	x406
917B	MADMAX dfs and similar, dp, games, graphs	1700	x3544
917A	The Monster dp, greedy, implementation, math	1800	x3529
916E	Jamie and Tree data structures, trees	2400	x1692
916D	Jamie and To-do List data structures, interactive, trees	2200	x518
916C	Jamie and Interesting Graph constructive algorithms, graphs, shortest paths	1600	x5128
916B	Jamie and Binary Sequence (changed after round) bitmasks, greedy, math	2000	x1919
916A	Jamie and Alarm Snooze brute force, implementation, math	900	x8618
915G	Coprime Arrays math, number theory	2300	x1293
915F	Imbalance Value of a Tree data structures, dsu, graphs, trees	2400	x2538
915E	Physical Education Lessons data structures, implementation, sortings	2300	x4509
915D	Almost Acyclic Graph dfs and similar, graphs	2200	x3471
915C	Permute Digits dp, greedy	1700	x7095
915B	Browser implementation	1300	x7800
915A	Garden implementation	900	x14826
914H	Ember and Storm's Tree Game combinatorics, dp, games, trees	3400	x240
914G	Sum the Fibonacci bitmasks, divide and conquer, dp, fft, math	2600	x936
914F	Substrings in a String bitmasks, brute force, data structures, string suffix structures, strings	3000	x1682
914E	Palindromes in a Tree bitmasks, data structures, divide and conquer, trees	2400	x1527
914D	Bash and a Tough Math Puzzle data structures, number theory	1900	x5371
914C	Travelling Salesman and Special Numbers brute force, combinatorics, dp	1800	x3850
914B	Conan and Agasa play a Card Game games, greedy, implementation	1200	x8638
914A	Perfect Squares brute force, implementation, math	900	x14208
913H	Don't Exceed math, probabilities	3400	x128
913G	Power Substring math, number theory	3200	x209
913F	Strongly Connected Tournament dp, graphs, math, probabilities	2800	x660
913E	Logical Expression bitmasks, dp, shortest paths	2400	x810
913D	Too Easy Problems binary search, brute force, data structures, greedy, sortings	1800	x4753
913C	Party Lemonade bitmasks, dp, greedy	1600	x7949
913B	Christmas Spruce implementation, trees	1200	x16186
913A	Modular Exponentiation implementation, math	900	x21417
912E	Prime Gift binary search, dfs and similar, math, meet-in-the-middle, number theory, two pointers	2400	x1637
912D	Fishes data structures, graphs, greedy, probabilities, shortest paths	2100	x2022
912C	Perun, Ult! brute force, greedy, sortings	2500	x520
912B	New Year's Eve bitmasks, constructive algorithms, number theory	1300	x12149
912A	Tricky Alchemy implementation	800	x13541
911G	Mass Change Queries data structures	2500	x2939
911F	Tree Destruction constructive algorithms, dfs and similar, graphs, greedy, trees	2400	x1759
911E	Stack Sorting constructive algorithms, data structures, greedy, implementation	2000	x2564