Problemset - Codeforces

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Codeforces Round (Div. 3)
7 days

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Problems

#	Name
1147E	Rainbow Coins interactive	3000	x324
1147D	Palindrome XOR dfs and similar, graphs	2400	x732
1147C	Thanos Nim games	2000	x3174
1147B	Chladni Figure brute force, strings	1900	x2823
1147A	Hide and Seek graphs	1500	x5158
1146H	Satanic Panic dp, geometry	2900	x591
1146G	Zoning Restrictions dp, flows, graphs	2700	x799
1146F	Leaf Partition dp, trees	2500	x1098
1146E	Hot is Cold bitmasks, data structures, divide and conquer, implementation	2400	x843
1146D	Frog Jumping dfs and similar, math, number theory	2100	x1086
1146C	Tree Diameter bitmasks, graphs, interactive	1700	x3538
1146B	Hate "A" implementation, strings	1100	x8419
1146A	Love "A" implementation, strings	800	x21521
1145G	AI Takeover interactive		x163
1145F	Neat Words		x500
1145E	Fourier Doodles		x413
1145D	Pigeon d'Or implementation		x1142
1145C	Mystery Circuit bitmasks, brute force		x791
1145B	Kanban Numbers brute force		x1439
1145A	Thanos Sort implementation		x8528
1144G	Two Merged Sequences dp, greedy	2400	x1893
1144F	Graph Without Long Directed Paths dfs and similar, graphs	1700	x10952
1144E	Median String bitmasks, math, number theory, strings	1900	x4079
1144D	Equalize Them All constructive algorithms, greedy	1400	x10106
1144C	Two Shuffled Sequences constructive algorithms, sortings	1000	x15039
1144B	Parity Alternated Deletions greedy, implementation, sortings	900	x16830
1144A	Diverse Strings implementation, strings	800	x18909
1143C	Queen dfs and similar, trees	1400	x11625
1143B	Nirvana brute force, math, number theory	1200	x10133
1143A	The Doors implementation	800	x13167
1142E	Pink Floyd graphs, interactive	3200	x489
1142D	Foreigner dp	2800	x479
1142C	U2 geometry	2400	x1314
1142B	Lynyrd Skynyrd data structures, dfs and similar, dp, math, trees	2000	x2804
1142A	The Beatles brute force, math	1700	x3399
1141G	Privatization of Roads in Treeland binary search, constructive algorithms, dfs and similar, graphs, greedy, trees	1900	x2202
1141F2	Same Sum Blocks (Hard) data structures, greedy	1900	x4086
1141F1	Same Sum Blocks (Easy) greedy	1900	x3764
1141E	Superhero Battle math	1700	x6631
1141D	Colored Boots greedy, implementation	1500	x8407
1141C	Polycarp Restores Permutation math	1500	x11290
1141B	Maximal Continuous Rest implementation	900	x20773
1141A	Game 23 implementation, math	1000	x30121
1140G	Double Tree data structures, divide and conquer, shortest paths, trees	2700	x469
1140F	Extending Set of Points data structures, divide and conquer, dsu	2600	x1141
1140E	Palindrome-less Arrays combinatorics, divide and conquer, dp	2200	x1899
1140D	Minimum Triangulation dp, greedy, math	1200	x12426
1140C	Playlist brute force, data structures, sortings	1600	x9316
1140B	Good String implementation, strings	1200	x11165
1140A	Detective Book implementation	1000	x12091
1139F	Dish Shopping data structures, divide and conquer	2500	x372
1139E	Maximize Mex flows, graph matchings, graphs	2400	x1694
1139D	Steps to One dp, math, number theory, probabilities	2300	x2002
1139C	Edgy Trees dfs and similar, dsu, graphs, math, trees	1500	x12144
1139B	Chocolates greedy, implementation	1000	x15830
1139A	Even Substrings implementation, strings	800	x16496
1138B	Circus brute force, greedy, math, strings	1800	x3948
1138A	Sushi for Two binary search, greedy, implementation	900	x17565
1137F	Matches Are Not a Child's Play data structures, trees	3400	x463
1137E	Train Car Selection data structures, greedy	2700	x496
1137D	Cooperative Game constructive algorithms, interactive, number theory	2400	x1498
1137C	Museums Tour dp, graphs, implementation	2500	x1164
1137B	Camp Schedule greedy, hashing, strings	1600	x5933
1137A	Skyscrapers implementation, sortings	1600	x4438
1136E	Nastya Hasn't Written a Legend binary search, data structures	2200	x1046
1136D	Nastya Is Buying Lunch greedy	1800	x3754
1136C	Nastya Is Transposing Matrices constructive algorithms, sortings	1500	x7633
1136B	Nastya Is Playing Computer Games constructive algorithms, math	1000	x11562
1136A	Nastya Is Reading a Book implementation	800	x16163
1133F2	Spanning Tree with One Fixed Degree constructive algorithms, dfs and similar, dsu, graphs, greedy	1900	x3163
1133F1	Spanning Tree with Maximum Degree graphs	1600	x7586
1133E	K Balanced Teams dp, sortings, two pointers	1800	x5255
1133D	Zero Quantity Maximization hashing, math, number theory	1500	x11176
1133C	Balanced Team sortings, two pointers	1200	x21579
1133B	Preparation for International Women's Day math, number theory	1200	x12441
1133A	Middle of the Contest implementation	1000	x16651
1132G	Greedy Subsequences data structures, dp, trees	2400	x967
1132F	Clear the String dp	2000	x7432
1132E	Knapsack dfs and similar, dp, greedy	2300	x1420
1132D	Stressful Training binary search, greedy	2300	x1822
1132C	Painting the Fence brute force	1700	x5354
1132B	Discounts greedy, sortings	900	x12785
1132A	Regular Bracket Sequence greedy, implementation	1100	x9526
1131G	Most Dangerous Shark data structures, dp, two pointers	2700	x404
1131F	Asya And Kittens constructive algorithms, dsu	1700	x6422
1131E	String Multiplication dp, greedy, strings	2300	x1124
1131D	Gourmet choice dfs and similar, dp, dsu, graphs, greedy	2000	x3186
1131C	Birthday binary search, greedy, sortings	1200	x14615
1131B	Draw! greedy, implementation	1400	x9637
1131A	Sea Battle math	800	x12350
1130C	Connect brute force, dfs and similar, dsu	1400	x8372
1130B	Two Cakes greedy	1200	x7717
1130A	Be Positive implementation	800	x11494
1129E	Legendary Tree binary search, interactive, trees	3100	x418
1129D	Isolation data structures, dp	2900	x962
1129C	Morse Code binary search, data structures, dp, hashing, sortings, string suffix structures, strings	2400	x900
1129B	Wrong Answer constructive algorithms	2000	x2167
1129A2	Toy Train brute force, greedy	1800	x4052
1129A1	Toy Train (Simplified) brute force, greedy	1700	x3781
1121C	System Testing implementation	1600	x1943