Problemset - Codeforces

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Codeforces Round 876 (Div. 2)
23:27:26
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brute force

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Problems

#	Name
1545F	AquaMoon and Potatoes brute force, data structures, dp	3500	x58
1491I	Ruler Of The Zoo brute force, data structures	3500	x61
1508F	Optimal Encoding brute force, data structures	3500	x87
1696H	Maximum Product? brute force, combinatorics, dp, greedy, implementation, math, two pointers	3500	x96
1444E	Finding the Vertex brute force, dfs and similar, dp, interactive, trees	3500	x106
1320F	Blocks and Sensors brute force	3500	x110
1779H	Olympic Team Building brute force, meet-in-the-middle	3500	x113
1753F	Minecraft Series brute force, two pointers	3500	x144
1515H	Phoenix and Bits bitmasks, brute force, data structures, sortings	3500	x185
1336E2	Chiori and Doll Picking (hard version) bitmasks, brute force, combinatorics, math	3500	x246
1305G	Kuroni and Antihype bitmasks, brute force, dp, dsu, graphs	3500	x658
1580E	Railway Construction brute force, constructive algorithms, data structures, graphs, shortest paths	3400	x54
1097H	Mateusz and an Infinite Sequence bitmasks, brute force, dp, strings	3400	x85
1817E	Half-sum brute force, divide and conquer, greedy	3400	x154
865F	Egg Roulette bitmasks, brute force, divide and conquer, math, meet-in-the-middle	3300	x49
1017H	The Films brute force	3300	x95
865E	Hex Dyslexia bitmasks, brute force, dp, graphs	3300	x106
1696G	Fishingprince Plays With Array Again brute force, data structures, geometry, math	3300	x201
1548D2	Gregor and the Odd Cows (Hard) brute force, geometry, math, number theory	3300	x222
1753E	N Machines binary search, brute force, greedy	3300	x255
1340F	Nastya and CBS brute force, data structures, hashing	3300	x347
765G	Math, math everywhere brute force, dp, math, meet-in-the-middle, number theory	3200	x50
1210F2	Marek and Matching (hard version) brute force, probabilities	3200	x162
1638F	Two Posters brute force, data structures, greedy, two pointers	3200	x163
1540D	Inverse Inversions binary search, brute force, data structures	3200	x217
1774G	Segment Covering brute force, combinatorics, constructive algorithms, data structures, dp, trees	3200	x230
1519F	Chests and Keys bitmasks, brute force, dfs and similar, dp, flows	3200	x261
750G	New Year and Binary Tree Paths bitmasks, brute force, combinatorics, dp	3200	x301
1495E	Qingshan and Daniel brute force, data structures, greedy, implementation	3200	x312
1268D	Invertation in Tournament brute force, divide and conquer, graphs, math	3200	x316
662E	To Hack or not to Hack brute force, dp, greedy	3100	x118
1250I	Show Must Go On binary search, brute force, greedy, shortest paths	3100	x123
1578J	Just Kingdom brute force, data structures, dfs and similar	3100	x127
1167G	Low Budget Inception brute force, geometry	3100	x133
1210F1	Marek and Matching (easy version) brute force, probabilities	3100	x166
1286F	Harry The Potter brute force, constructive algorithms, dp, fft, implementation, math	3100	x193
1784E	Infinite Game brute force, combinatorics, dp, games, probabilities	3100	x208
164D	Minimum Diameter binary search, brute force	3100	x208
1508E	Tree Calendar brute force, constructive algorithms, data structures, dfs and similar, sortings, trees	3100	x296
156E	Mrs. Hudson's Pancakes brute force, dp	3000	x144
280E	Sequence Transformation brute force, data structures, dp, implementation, math	3000	x165
1569F	Palindromic Hamiltonian Path brute force, dfs and similar, dp, graphs, hashing	3000	x190
1181E2	A Story of One Country (Hard) brute force, greedy, sortings	3000	x214
1651F	Tower Defense binary search, brute force, data structures	3000	x234
666D	Chain Reaction brute force, geometry	3000	x240
1787G	Colorful Tree Again brute force, data structures, trees	3000	x282
436F	Banners brute force, data structures, dp	3000	x299
1535F	String Distance binary search, brute force, data structures, hashing, implementation, strings	3000	x338
1552G	A Serious Referee bitmasks, brute force, dfs and similar, sortings	3000	x401
1342F	Make It Ascending bitmasks, brute force, dp	3000	x508
1149D	Abandoning Roads brute force, dp, graphs, greedy	3000	x508
914F	Substrings in a String bitmasks, brute force, data structures, string suffix structures, strings	3000	x1001
739E	Gosha is hunting brute force, data structures, dp, flows, math, probabilities, sortings	3000	x1703
126E	Pills brute force, flows	2900	x64
73F	Plane of Tanks brute force, geometry	2900	x66
1796F	Strange Triples brute force, math, number theory	2900	x112
138E	Hellish Constraints brute force, dp, two pointers	2900	x144
478E	Wavy numbers brute force, dfs and similar, meet-in-the-middle, sortings	2900	x181
497D	Gears brute force, geometry, math	2900	x209
1056G	Take Metro brute force, data structures, graphs	2900	x217
217D	Bitonix' Patrol bitmasks, brute force, combinatorics, dfs and similar, math	2900	x230
933D	A Creative Cutout brute force, combinatorics, math	2900	x233
679D	Bear and Chase brute force, dfs and similar, graphs, implementation, math, probabilities	2900	x280
193E	Fibonacci Number brute force, math, matrices	2900	x293
1792F2	Graph Coloring (hard version) brute force, combinatorics, divide and conquer, dp, fft, graphs	2900	x298
1494F	Delete The Edges brute force, constructive algorithms, dfs and similar, graphs, implementation	2900	x301
1334G	Substring Search bitmasks, brute force, fft	2900	x328
1359F	RC Kaboom Show binary search, brute force, data structures, geometry, math	2900	x331
1221G	Graph And Numbers bitmasks, brute force, combinatorics, dp, meet-in-the-middle	2900	x410
163D	Large Refrigerator brute force	2900	x429
1687D	Cute number binary search, brute force, data structures, dsu, implementation, math	2900	x466
1028F	Make Symmetrical brute force	2900	x479
1616F	Tricolor Triangles brute force, graphs, math, matrices	2900	x500
343E	Pumping Stations brute force, dfs and similar, divide and conquer, flows, graphs, greedy, trees	2900	x561
1580D	Subsequence brute force, divide and conquer, dp, greedy, trees	2900	x574
1479D	Odd Mineral Resource binary search, bitmasks, brute force, data structures, probabilities, trees	2900	x752
364D	Ghd brute force, math, probabilities	2900	x1536
869D	The Overdosing Ubiquity brute force, dfs and similar, graphs	2800	x198
1031F	Familiar Operations brute force, graphs, math	2800	x240
1525F	Goblins And Gnomes brute force, dp, flows, graph matchings	2800	x249
1808E3	Minibuses on Venus (hard version) brute force, combinatorics, dp, math	2800	x267
568D	Sign Posts brute force, geometry, math	2800	x283
1721F	Matching Reduction brute force, constructive algorithms, dfs and similar, flows, graph matchings, graphs, interactive	2800	x302
1033F	Boolean Computer bitmasks, brute force, fft, math	2800	x318
1578K	Kingdom of Islands brute force, graphs, implementation	2800	x320
1155F	Delivery Oligopoly brute force, dp, graphs	2800	x340
850E	Random Elections bitmasks, brute force, divide and conquer, fft, math	2800	x352
261E	Maxim and Calculator brute force, dp, two pointers	2800	x364
1606F	Tree Queries brute force, dp, trees	2800	x400
685E	Travelling Through the Snow Queen's Kingdom bitmasks, brute force, divide and conquer, graphs	2800	x401
1819D	Misha and Apples brute force, data structures, dp, two pointers	2800	x446
1612F	Armor and Weapons brute force, dp, greedy, shortest paths	2800	x496
1545C	AquaMoon and Permutations 2-sat, brute force, combinatorics, constructive algorithms, graph matchings, graphs	2800	x499
1286C2	Madhouse (Hard version) brute force, constructive algorithms, hashing, interactive, math	2800	x532
1383D	Rearrange brute force, constructive algorithms, graphs, greedy, sortings	2800	x548
986E	Prince's Problem brute force, data structures, math, number theory, trees	2800	x595
1693D	Decinc Dividing brute force, data structures, divide and conquer, dp, greedy	2800	x623
1557E	Assiut Chess brute force, constructive algorithms, interactive	2800	x636
1400F	x-prime Substrings brute force, dfs and similar, dp, string suffix structures, strings	2800	x648
1375G	Tree Modification brute force, constructive algorithms, dfs and similar, graph matchings, graphs, trees	2800	x1416

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