Problemset - Codeforces

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Codeforces Round 961 (Div. 2)
05:07:29
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Problems

#	Name
1389C	Good String brute force, dp, greedy, two pointers	1500	x18672
1389B	Array Walk brute force, dp, greedy	1600	x16254
1385D	a-Good String bitmasks, brute force, divide and conquer, dp, implementation	1500	x18824
1373D	Maximum Sum on Even Positions divide and conquer, dp, greedy, implementation	1600	x15317
1360F	Spy-string bitmasks, brute force, constructive algorithms, dp, hashing, strings	1700	x12215
1346E	Magic Tricks *special problem, dp, graphs	1700	x375
1340B	Nastya and Scoreboard bitmasks, dp, graphs, greedy	1700	x7807
1336A	Linova and Kingdom dfs and similar, dp, greedy, sortings, trees	1600	x19980
1335E1	Three Blocks Palindrome (easy version) binary search, brute force, data structures, dp, two pointers	1700	x10740
1324E	Sleeping Schedule dp, implementation	1700	x13126
1313C1	Skyscrapers (easy version) brute force, data structures, dp, greedy	1500	x10342
1307C	Cow and Message brute force, dp, math, strings	1500	x11749
1304C	Air Conditioner dp, greedy, implementation, sortings, two pointers	1500	x16177
1295C	Obtain The String dp, greedy, strings	1600	x12799
1288C	Two Arrays combinatorics, dp	1600	x12628
1282B2	K for the Price of One (Hard Version) dp, greedy, sortings	1600	x10091
1278C	Berry Jam data structures, dp, greedy, implementation	1700	x7914
1272D	Remove One Element brute force, dp	1500	x16296
1257D	Yet Another Monster Killing Problem binary search, data structures, dp, greedy, sortings, two pointers	1700	x7482
1253C	Sweets Eating dp, greedy, math, sortings	1500	x14103
1249E	By Elevator or Stairs? dp, shortest paths	1700	x9518
1239A	Ivan the Fool and the Probability Theory combinatorics, dp, math	1700	x7300
1238C	Standard Free2play dp, greedy, math	1600	x7348
1234C	Pipes dp, implementation	1500	x12453
1207C	Gas Pipeline dp, greedy	1500	x9766
1204C	Anna, Svyatoslav and Maps dp, graphs, greedy, shortest paths	1700	x6639
1202B	You Are Given a Decimal String... brute force, dp, shortest paths	1700	x4537
1196D2	RGB Substring (hard version) data structures, dp, implementation, two pointers	1600	x9631
1151B	Dima and a Bad XOR bitmasks, brute force, constructive algorithms, dp	1600	x10937
1109A	Sasha and a Bit of Relax dp, implementation	1600	x8433
1105C	Ayoub and Lost Array combinatorics, dp, math	1500	x10251
1091D	New Year and the Permutation Concatenation combinatorics, dp, math	1700	x6672
1084C	The Fair Nut and String combinatorics, dp, implementation	1500	x7860
1081C	Colorful Bricks combinatorics, dp, math	1500	x7171
1061C	Multiplicity data structures, dp, implementation, math, number theory	1700	x8592
1056D	Decorate Apple Tree constructive algorithms, dfs and similar, dp, graphs, greedy, sortings, trees	1600	x5775
1051D	Bicolorings bitmasks, dp	1700	x7312
1051C	Vasya and Multisets brute force, dp, greedy, implementation, math	1500	x9212
1033C	Permutation Game brute force, dp, games	1600	x5489
1032C	Playing Piano constructive algorithms, dp	1700	x3930
1015E1	Stars Drawing (Easy Edition) brute force, dp, greedy	1700	x5595
1005D	Polycarp and Div 3 dp, greedy, number theory	1500	x9984
991D	Bishwock dp, greedy	1500	x7084
982C	Cut 'em all! dfs and similar, dp, graphs, greedy, trees	1500	x11159
977F	Consecutive Subsequence dp	1700	x17686
924C	Riverside Curio data structures, dp, greedy	1700	x3737
919D	Substring dfs and similar, dp, graphs	1700	x9658
917B	MADMAX dfs and similar, dp, games, graphs	1700	x3504
915C	Permute Digits dp, greedy	1700	x6957
913C	Party Lemonade bitmasks, dp, greedy	1600	x7814
891A	Pride brute force, dp, greedy, math, number theory	1500	x9901
888D	Almost Identity Permutations combinatorics, dp, math	1600	x7974
877B	Nikita and string brute force, dp	1500	x10210
873B	Balanced Substring dp, implementation	1500	x7610
868C	Qualification Rounds bitmasks, brute force, constructive algorithms, dp	1500	x4583
859C	Pie Rules dp, games	1500	x5321
858C	Did you mean... dp, greedy, implementation	1500	x5595
855B	Marvolo Gaunt's Ring brute force, data structures, dp	1500	x8474
839C	Journey dfs and similar, dp, graphs, probabilities, trees	1500	x16336
835C	Star sky dp, implementation	1600	x7724
817C	Really Big Numbers binary search, brute force, dp, math	1600	x7194
814C	An impassioned circulation of affection brute force, dp, strings, two pointers	1600	x6403
812B	Sagheer, the Hausmeister bitmasks, brute force, dp	1600	x5138
798C	Mike and gcd problem dp, greedy, number theory	1700	x5690
788A	Functions again dp, two pointers	1600	x9026
777C	Alyona and Spreadsheet binary search, data structures, dp, greedy, implementation, two pointers	1600	x6323
766C	Mahmoud and a Message brute force, dp, greedy, strings	1700	x4356
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x10334
761C	Dasha and Password brute force, dp, implementation	1500	x5856
756B	Travel Card binary search, dp	1600	x3424
741B	Arpa's weak amphitheater and Mehrdad's valuable Hoses dfs and similar, dp, dsu	1600	x5177
734C	Anton and Making Potions binary search, dp, greedy, two pointers	1600	x5312
718A	Efim and Strange Grade dp, implementation, math	1700	x4384
711C	Coloring Trees dp	1700	x7951
706C	Hard problem dp, strings	1600	x15914
685A	Robbers' watch brute force, combinatorics, dp, math	1700	x4161
682C	Alyona and the Tree dfs and similar, dp, graphs, trees	1600	x7078
676C	Vasya and String binary search, dp, strings, two pointers	1500	x18443
660C	Hard Process binary search, dp, two pointers	1600	x9224
637D	Running with Obstacles *special problem, data structures, dp, greedy	1600	x1980
627A	XOR Equation dp, math	1700	x4047
615B	Longtail Hedgehog dp, graphs	1600	x5002
611C	New Year and Domino dp, implementation	1500	x8402
607A	Chain Reaction binary search, dp	1600	x9440
603A	Alternative Thinking dp, greedy, math	1600	x7599
597B	Restaurant dp, greedy, sortings	1600	x4722
573B	Bear and Blocks binary search, data structures, dp, math	1600	x5745
567C	Geometric Progression binary search, data structures, dp	1700	x9359
566F	Clique in the Divisibility Graph dp, math, number theory	1500	x3568
553A	Kyoya and Colored Balls combinatorics, dp, math	1500	x8481
550C	Divisibility by Eight brute force, dp, math	1500	x27894
550A	Two Substrings brute force, dp, greedy, implementation, strings	1500	x37113
546D	Soldier and Number Game constructive algorithms, dp, math, number theory	1700	x11522
545C	Woodcutters dp, greedy	1500	x27145
524B	Фото на память - 2 (round version) dp, greedy	1700	x1449
518D	Ilya and Escalator combinatorics, dp, math, probabilities	1700	x6867
474D	Flowers dp	1700	x24564
467C	George and Job dp, implementation	1700	x14342
466C	Number of Ways binary search, brute force, data structures, dp, two pointers	1700	x35286
455A	Boredom dp	1500	x56153