Problemset - Codeforces

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Codeforces Round 977 (Div. 2)
3 days
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Problems

#	Name
1153C	Serval and Parenthesis Sequence greedy, strings	1700	x7397
1153B	Serval and Toy Bricks constructive algorithms, greedy	1200	x9073
1153A	Serval and Bus brute force, math	1000	x11508
1152F2	Neko Rules the Catniverse (Large Version) bitmasks, dp, matrices	3000	x643
1152F1	Neko Rules the Catniverse (Small Version) bitmasks, dp, matrices	2800	x562
1152E	Neko and Flashback constructive algorithms, dfs and similar, graphs	2400	x975
1152D	Neko and Aki's Prank dp, greedy, trees	2100	x2418
1152C	Neko does Maths brute force, math, number theory	1800	x6665
1152B	Neko Performs Cat Furrier Transform bitmasks, constructive algorithms, dfs and similar, math	1300	x8903
1152A	Neko Finds Grapes greedy, implementation, math	800	x15145
1151F	Sonya and Informatics combinatorics, dp, matrices, probabilities	2300	x1218
1151E	Number of Components combinatorics, data structures, dp, math	2100	x3327
1151D	Stas and the Queue at the Buffet greedy, math, sortings	1600	x8410
1151C	Problem for Nazar constructive algorithms, math	1800	x5340
1151B	Dima and a Bad XOR bitmasks, brute force, constructive algorithms, dp	1600	x11166
1151A	Maxim and Biology brute force, strings	1000	x11203
1150B	Tiling Challenge greedy, implementation	900	x11271
1150A	Stock Arbitraging greedy, implementation	800	x11813
1149E	Election Promises games, graphs	3200	x524
1149D	Abandoning Roads brute force, dp, graphs, greedy	3000	x782
1149C	Tree Generator™ data structures, implementation, trees	2700	x1255
1149B	Three Religions dp, implementation, strings	2200	x1896
1149A	Prefix Sum Primes constructive algorithms, greedy, math, number theory	1200	x15190
1148H	Holy Diver data structures	3500	x257
1148G	Gold Experience constructive algorithms, graphs, math, number theory, probabilities	3300	x321
1148F	Foo Fighters bitmasks, constructive algorithms	2700	x1012
1148E	Earth Wind and Fire constructive algorithms, greedy, math, sortings, two pointers	2300	x1677
1148D	Dirty Deeds Done Dirt Cheap greedy, sortings	1800	x4972
1148C	Crazy Diamond constructive algorithms, sortings	1700	x5297
1148B	Born This Way binary search, brute force, two pointers	1600	x7383
1148A	Another One Bites The Dust greedy	800	x14873
1147F	Zigzag Game games, interactive	3500	x263
1147E	Rainbow Coins interactive	3000	x340
1147D	Palindrome XOR dfs and similar, graphs	2400	x749
1147C	Thanos Nim games	2000	x3253
1147B	Chladni Figure brute force, strings	1900	x2878
1147A	Hide and Seek graphs	1500	x5244
1146H	Satanic Panic dp, geometry	2900	x607
1146G	Zoning Restrictions dp, flows, graphs	2700	x821
1146F	Leaf Partition dp, trees	2500	x1180
1146E	Hot is Cold bitmasks, data structures, divide and conquer, implementation	2400	x892
1146D	Frog Jumping dfs and similar, math, number theory	2100	x1102
1146C	Tree Diameter bitmasks, graphs, interactive	1700	x3689
1146B	Hate "A" implementation, strings	1100	x8581
1146A	Love "A" implementation, strings	800	x21855
1145G	AI Takeover interactive		x174
1145F	Neat Words		x512
1145E	Fourier Doodles		x426
1145D	Pigeon d'Or implementation		x1160
1145C	Mystery Circuit bitmasks, brute force		x802
1145B	Kanban Numbers brute force		x1452
1145A	Thanos Sort implementation		x8599
1144G	Two Merged Sequences dp, greedy	2400	x1976
1144F	Graph Without Long Directed Paths dfs and similar, graphs	1700	x11609
1144E	Median String bitmasks, math, number theory, strings	1900	x4153
1144D	Equalize Them All constructive algorithms, greedy	1400	x10265
1144C	Two Shuffled Sequences constructive algorithms, sortings	1000	x15338
1144B	Parity Alternated Deletions greedy, implementation, sortings	900	x17069
1144A	Diverse Strings implementation, strings	800	x19236
1143C	Queen dfs and similar, trees	1400	x12373
1143B	Nirvana brute force, math, number theory	1200	x10499
1143A	The Doors implementation	800	x13263
1142E	Pink Floyd graphs, interactive	3200	x511
1142D	Foreigner dp	2800	x500
1142C	U2 geometry	2400	x1358
1142B	Lynyrd Skynyrd data structures, dfs and similar, dp, math, trees	2000	x2968
1142A	The Beatles brute force, math	1700	x3420
1141G	Privatization of Roads in Treeland binary search, constructive algorithms, dfs and similar, graphs, greedy, trees	1900	x2272
1141F2	Same Sum Blocks (Hard) data structures, greedy	1900	x4193
1141F1	Same Sum Blocks (Easy) greedy	1900	x3855
1141E	Superhero Battle math	1700	x6737
1141D	Colored Boots greedy, implementation	1500	x8534
1141C	Polycarp Restores Permutation math	1500	x11447
1141B	Maximal Continuous Rest implementation	900	x21275
1141A	Game 23 implementation, math	1000	x31761
1140G	Double Tree data structures, divide and conquer, shortest paths, trees	2700	x497
1140F	Extending Set of Points data structures, divide and conquer, dsu	2600	x1210
1140E	Palindrome-less Arrays combinatorics, divide and conquer, dp	2200	x1934
1140D	Minimum Triangulation dp, greedy, math	1200	x12579
1140C	Playlist brute force, data structures, sortings	1600	x9556
1140B	Good String implementation, strings	1200	x11301
1140A	Detective Book implementation	1000	x12294
1139F	Dish Shopping data structures, divide and conquer	2500	x436
1139E	Maximize Mex flows, graph matchings, graphs	2400	x1811
1139D	Steps to One dp, math, number theory, probabilities	2300	x2296
1139C	Edgy Trees dfs and similar, dsu, graphs, math, trees	1500	x12604
1139B	Chocolates greedy, implementation	1000	x16357
1139A	Even Substrings implementation, strings	800	x16780
1138B	Circus brute force, greedy, math, strings	1800	x4024
1138A	Sushi for Two binary search, greedy, implementation	900	x18167
1137F	Matches Are Not a Child's Play data structures, trees	3400	x467
1137E	Train Car Selection data structures, greedy	2700	x510
1137D	Cooperative Game constructive algorithms, interactive, number theory	2400	x1598
1137C	Museums Tour dp, graphs, implementation	2500	x1204
1137B	Camp Schedule greedy, hashing, strings	1600	x6138
1137A	Skyscrapers implementation, sortings	1600	x4467
1136E	Nastya Hasn't Written a Legend binary search, data structures	2200	x1063
1136D	Nastya Is Buying Lunch greedy	1800	x3811
1136C	Nastya Is Transposing Matrices constructive algorithms, sortings	1500	x7709
1136B	Nastya Is Playing Computer Games constructive algorithms, math	1000	x11693