Problemset - Codeforces

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

#	Name
798B	Mike and strings brute force, dp, strings	1300	x8436
797F	Mice and Holes data structures, dp, greedy, sortings	2600	x1233
797E	Array Queries brute force, data structures, dp	2000	x4507
797B	Odd sum dp, greedy, implementation	1400	x10641
796E	Exam Cheating binary search, dp	2400	x683
796D	Police Stations constructive algorithms, dfs and similar, dp, graphs, shortest paths, trees	2100	x5809
796C	Bank Hacking constructive algorithms, data structures, dp, trees	1900	x3062
794G	Replace All combinatorics, dp, math	3400	x346
793F	Julia the snail data structures, divide and conquer, dp	3000	x565
793E	Problem of offices constructive algorithms, dfs and similar, dp, trees	2900	x257
793D	Presents in Bankopolis dp, graphs, shortest paths	2100	x1602
792C	Divide by Three dp, greedy, math, number theory	2000	x4436
788A	Functions again dp, two pointers	1600	x9154
786A	Berzerk dfs and similar, dp, games	2000	x2562
785D	Anton and School - 2 combinatorics, dp, math, number theory	2300	x3008
780G	Andryusha and Nervous Barriers data structures, dp	2700	x662
780F	Axel and Marston in Bitland bitmasks, dp, graphs, matrices	2400	x1054
778E	Selling Numbers dp, sortings	3000	x331
777E	Hanoi Factory brute force, data structures, dp, greedy, sortings	2000	x4096
777C	Alyona and Spreadsheet binary search, data structures, dp, greedy, implementation, two pointers	1600	x6422
777B	Game of Credit Cards data structures, dp, greedy, sortings	1300	x9499
776G	Sherlock and the Encrypted Data bitmasks, combinatorics, dp	2900	x339
774J	Stepan's Series *special problem, dp	2000	x365
774I	Composing Of String *special problem, dp	2300	x108
773F	Test Data Generation combinatorics, divide and conquer, dp, fft, math, number theory	3400	x189
773D	Perishable Roads dp, graphs, shortest paths	2700	x701
772D	Varying Kibibits bitmasks, dp	2700	x602
772C	Vulnerable Kerbals constructive algorithms, dp, graphs, math, number theory	2300	x1389
771E	Bear and Rectangle Strips dp, greedy	3000	x502
771D	Bear and Company dp	2500	x1359
771C	Bear and Tree Jumps dfs and similar, dp, trees	2100	x3153
768E	Game of Stones bitmasks, dp, games	2100	x2996
768D	Jon and Orbs dp, math, probabilities	2200	x2975
768C	Jon Snow and his Favourite Number brute force, dp, implementation, sortings	1800	x3815
766E	Mahmoud and a xor trip bitmasks, constructive algorithms, data structures, dfs and similar, dp, math, trees	2100	x3044
766D	Mahmoud and a Dictionary data structures, dfs and similar, dp, dsu, graphs	2000	x3432
766C	Mahmoud and a Message brute force, dp, greedy, strings	1700	x4507
765G	Math, math everywhere brute force, dp, math, meet-in-the-middle, number theory	3200	x86
765E	Tree Folding dfs and similar, dp, greedy, implementation, trees	2200	x1288
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x10641
762D	Maximum path dp, greedy, implementation	2300	x1581
761F	Dasha and Photos brute force, data structures, dp, implementation	2600	x417
761C	Dasha and Password brute force, dp, implementation	1500	x5887
758E	Broken Tree dfs and similar, dp, graphs, greedy, trees	2600	x497
758D	Ability To Convert constructive algorithms, dp, greedy, math, strings	2000	x2735
757E	Bash Plays with Functions brute force, combinatorics, dp, number theory	2500	x1341
757D	Felicity's Big Secret Revealed bitmasks, dp	2200	x1408
756E	Byteland coins combinatorics, dp, math	3200	x186
756D	Bacterial Melee brute force, combinatorics, dp, string suffix structures	2400	x1006
756B	Travel Card binary search, dp	1600	x3709
755G	PolandBall and Many Other Balls combinatorics, divide and conquer, dp, fft, math, number theory	3200	x923
755F	PolandBall and Gifts bitmasks, dp, greedy	2600	x1444
754C	Vladik and chat brute force, constructive algorithms, dp, implementation, strings	2200	x943
753A	Santa Claus and Candies dp, greedy, math	1000	x9119
750G	New Year and Binary Tree Paths bitmasks, brute force, combinatorics, dp	3200	x453
750E	New Year and Old Subsequence data structures, divide and conquer, dp, matrices	2600	x1611
750D	New Year and Fireworks brute force, data structures, dfs and similar, dp, implementation	1900	x3084
747F	Igor and Interesting Numbers brute force, combinatorics, dp, math	2500	x422
747D	Winter Is Coming dp, greedy, sortings	1800	x3288
744C	Hongcow Buys a Deck of Cards bitmasks, brute force, dp	2400	x1166
743E	Vladik and cards binary search, bitmasks, brute force, dp	2200	x1509
743D	Chloe and pleasant prizes dfs and similar, dp, graphs, trees	1800	x4383
741B	Arpa's weak amphitheater and Mehrdad's valuable Hoses dfs and similar, dp, dsu	1600	x5292
739E	Gosha is hunting brute force, data structures, dp, flows, math, probabilities, sortings	3000	x2205
735E	Ostap and Tree dp, trees	2500	x876
734E	Anton and Tree dfs and similar, dp, trees	2100	x4245
734C	Anton and Making Potions binary search, dp, greedy, two pointers	1600	x5347
733C	Epidemic in Monstropolis constructive algorithms, dp, greedy, two pointers	1800	x3349
732B	Cormen --- The Best Friend Of a Man dp, greedy	1000	x24660
731E	Funny Game dp, games	2200	x1723
730J	Bottles dp	1900	x3472
730I	Olympiad in Programming and Sports dp, flows, graphs, greedy	2000	x2107
729F	Financiers Game dp	2500	x992
729B	Spotlights dp, implementation	1200	x8004
727F	Polycarp's problems binary search, dp, greedy	2300	x797
724F	Uniformly Branched Trees combinatorics, dp, trees	2700	x406
724E	Goods transportation dp, flows, greedy	2900	x1317
722E	Research Rover combinatorics, dp	2900	x876
721E	Road to Home binary search, dp	2700	x306
721C	Journey dp, graphs	1800	x5923
720D	Slalom data structures, dp, sortings	3100	x306
718D	Andrew and Chemistry dp, hashing, trees	2900	x395
718A	Efim and Strange Grade dp, implementation, math	1700	x4405
717B	R3D3’s Summer Adventure dp, greedy	2700	x151
713E	Sonya Partymaker binary search, dp	3300	x353
713C	Sonya and Problem Wihtout a Legend dp, sortings	2300	x5461
712D	Memory and Scores combinatorics, dp, math	2200	x1851
711C	Coloring Trees dp	1700	x8285
710E	Generate a String dfs and similar, dp	2000	x5240
708E	Student's Camp dp, math	3100	x1014
708C	Centroids data structures, dfs and similar, dp, graphs, greedy, trees	2300	x3386
706C	Hard problem dp, strings	1600	x16449
706B	Interesting drink binary search, dp, implementation	1100	x64613
704C	Black Widow dp, graphs, implementation, math	2900	x464
704B	Ant Man dp, graphs, greedy	2500	x1888
703E	Mishka and Divisors dp, number theory	2600	x601
702A	Maximum Increase dp, greedy, implementation	800	x45622
700B	Connecting Universities dfs and similar, dp, graphs, trees	1800	x4054
698C	LRU bitmasks, dp, math, probabilities	2400	x1333
698A	Vacations dp	1400	x30820