Problemset - Codeforces

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Codeforces Round 954 (Div. 3)
2 days
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Problems

#	Name
1389C	Good String brute force, dp, greedy, two pointers	1500	x18519
1389B	Array Walk brute force, dp, greedy	1600	x16030
1385D	a-Good String bitmasks, brute force, divide and conquer, dp, implementation	1500	x18540
1373D	Maximum Sum on Even Positions divide and conquer, dp, greedy, implementation	1600	x15159
1360F	Spy-string bitmasks, brute force, constructive algorithms, dp, hashing, strings	1700	x11980
1346E	Magic Tricks *special problem, dp, graphs	1700	x372
1340B	Nastya and Scoreboard bitmasks, dp, graphs, greedy	1700	x7646
1336A	Linova and Kingdom dfs and similar, dp, greedy, sortings, trees	1600	x19621
1335E1	Three Blocks Palindrome (easy version) binary search, brute force, data structures, dp, two pointers	1700	x10551
1324E	Sleeping Schedule dp, implementation	1700	x12949
1313C1	Skyscrapers (easy version) brute force, data structures, dp, greedy	1500	x10269
1307C	Cow and Message brute force, dp, math, strings	1500	x11712
1304C	Air Conditioner dp, greedy, implementation, sortings, two pointers	1500	x16067
1295C	Obtain The String dp, greedy, strings	1600	x12746
1288C	Two Arrays combinatorics, dp	1600	x12540
1282B2	K for the Price of One (Hard Version) dp, greedy, sortings	1600	x10046
1278C	Berry Jam data structures, dp, greedy, implementation	1700	x7790
1272D	Remove One Element brute force, dp	1500	x16136
1257D	Yet Another Monster Killing Problem binary search, data structures, dp, greedy, sortings, two pointers	1700	x7385
1253C	Sweets Eating dp, greedy, math, sortings	1500	x14014
1249E	By Elevator or Stairs? dp, shortest paths	1700	x9451
1239A	Ivan the Fool and the Probability Theory combinatorics, dp, math	1700	x7240
1238C	Standard Free2play dp, greedy, math	1600	x7253
1234C	Pipes dp, implementation	1500	x12414
1207C	Gas Pipeline dp, greedy	1500	x9713
1204C	Anna, Svyatoslav and Maps dp, graphs, greedy, shortest paths	1700	x6593
1202B	You Are Given a Decimal String... brute force, dp, shortest paths	1700	x4524
1196D2	RGB Substring (hard version) data structures, dp, implementation, two pointers	1600	x9535
1151B	Dima and a Bad XOR bitmasks, brute force, constructive algorithms, dp	1600	x10820
1109A	Sasha and a Bit of Relax dp, implementation	1600	x8402
1105C	Ayoub and Lost Array combinatorics, dp, math	1500	x10196
1091D	New Year and the Permutation Concatenation combinatorics, dp, math	1700	x6635
1084C	The Fair Nut and String combinatorics, dp, implementation	1500	x7731
1081C	Colorful Bricks combinatorics, dp, math	1500	x7095
1061C	Multiplicity data structures, dp, implementation, math, number theory	1700	x8495
1056D	Decorate Apple Tree constructive algorithms, dfs and similar, dp, graphs, greedy, sortings, trees	1600	x5727
1051D	Bicolorings bitmasks, dp	1700	x7263
1051C	Vasya and Multisets brute force, dp, greedy, implementation, math	1500	x9186
1033C	Permutation Game brute force, dp, games	1600	x5416
1032C	Playing Piano constructive algorithms, dp	1700	x3913
1015E1	Stars Drawing (Easy Edition) brute force, dp, greedy	1700	x5523
1005D	Polycarp and Div 3 dp, greedy, number theory	1500	x9912
991D	Bishwock dp, greedy	1500	x7073
982C	Cut 'em all! dfs and similar, dp, graphs, greedy, trees	1500	x10998
977F	Consecutive Subsequence dp	1700	x17350
924C	Riverside Curio data structures, dp, greedy	1700	x3689
919D	Substring dfs and similar, dp, graphs	1700	x9499
917B	MADMAX dfs and similar, dp, games, graphs	1700	x3497
915C	Permute Digits dp, greedy	1700	x6926
913C	Party Lemonade bitmasks, dp, greedy	1600	x7767
891A	Pride brute force, dp, greedy, math, number theory	1500	x9768
888D	Almost Identity Permutations combinatorics, dp, math	1600	x7833
877B	Nikita and string brute force, dp	1500	x10095
873B	Balanced Substring dp, implementation	1500	x7495
868C	Qualification Rounds bitmasks, brute force, constructive algorithms, dp	1500	x4566
859C	Pie Rules dp, games	1500	x5296
858C	Did you mean... dp, greedy, implementation	1500	x5588
855B	Marvolo Gaunt's Ring brute force, data structures, dp	1500	x8424
839C	Journey dfs and similar, dp, graphs, probabilities, trees	1500	x16125
835C	Star sky dp, implementation	1600	x7671
817C	Really Big Numbers binary search, brute force, dp, math	1600	x7119
814C	An impassioned circulation of affection brute force, dp, strings, two pointers	1600	x6361
812B	Sagheer, the Hausmeister bitmasks, brute force, dp	1600	x5099
798C	Mike and gcd problem dp, greedy, number theory	1700	x5663
788A	Functions again dp, two pointers	1600	x8989
777C	Alyona and Spreadsheet binary search, data structures, dp, greedy, implementation, two pointers	1600	x6301
766C	Mahmoud and a Message brute force, dp, greedy, strings	1700	x4340
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x10208
761C	Dasha and Password brute force, dp, implementation	1500	x5852
756B	Travel Card binary search, dp	1600	x3371
741B	Arpa's weak amphitheater and Mehrdad's valuable Hoses dfs and similar, dp, dsu	1600	x5165
734C	Anton and Making Potions binary search, dp, greedy, two pointers	1600	x5300
718A	Efim and Strange Grade dp, implementation, math	1700	x4332
711C	Coloring Trees dp	1700	x7888
706C	Hard problem dp, strings	1600	x15788
685A	Robbers' watch brute force, combinatorics, dp, math	1700	x4157
682C	Alyona and the Tree dfs and similar, dp, graphs, trees	1600	x7044
676C	Vasya and String binary search, dp, strings, two pointers	1500	x18320
660C	Hard Process binary search, dp, two pointers	1600	x9164
637D	Running with Obstacles *special problem, data structures, dp, greedy	1600	x1967
627A	XOR Equation dp, math	1700	x3989
615B	Longtail Hedgehog dp, graphs	1600	x4986
611C	New Year and Domino dp, implementation	1500	x8364
607A	Chain Reaction binary search, dp	1600	x9397
603A	Alternative Thinking dp, greedy, math	1600	x7573
597B	Restaurant dp, greedy, sortings	1600	x4690
573B	Bear and Blocks binary search, data structures, dp, math	1600	x5715
567C	Geometric Progression binary search, data structures, dp	1700	x9337
566F	Clique in the Divisibility Graph dp, math, number theory	1500	x3553
553A	Kyoya and Colored Balls combinatorics, dp, math	1500	x8422
550C	Divisibility by Eight brute force, dp, math	1500	x27632
550A	Two Substrings brute force, dp, greedy, implementation, strings	1500	x36752
546D	Soldier and Number Game constructive algorithms, dp, math, number theory	1700	x11424
545C	Woodcutters dp, greedy	1500	x26765
524B	Фото на память - 2 (round version) dp, greedy	1700	x1447
518D	Ilya and Escalator combinatorics, dp, math, probabilities	1700	x6781
474D	Flowers dp	1700	x24253
467C	George and Job dp, implementation	1700	x14229
466C	Number of Ways binary search, brute force, data structures, dp, two pointers	1700	x34975
455A	Boredom dp	1500	x55455