Problemset - Codeforces

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Codeforces Round 945 (Div. 2)
39:44:39
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brute force

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Problems

#	Name
1491I	Ruler Of The Zoo brute force, data structures	3500	x73
1896H2	Cyclic Hamming (Hard Version) brute force, dp, fft, math, number theory	3500	x88
1545F	AquaMoon and Potatoes brute force, data structures, dp	3500	x105
1854F	Mark and Spaceship brute force, dp	3500	x112
1876G	Clubstep binary search, brute force, data structures, greedy, trees	3500	x117
1508F	Optimal Encoding brute force, data structures	3500	x117
1444E	Finding the Vertex brute force, dfs and similar, dp, interactive, trees	3500	x130
1779H	Olympic Team Building brute force, meet-in-the-middle	3500	x131
1320F	Blocks and Sensors brute force	3500	x151
1696H	Maximum Product? brute force, combinatorics, dp, greedy, implementation, math, two pointers	3500	x153
1753F	Minecraft Series brute force, two pointers	3500	x185
1515H	Phoenix and Bits bitmasks, brute force, data structures, sortings	3500	x215
1336E2	Chiori and Doll Picking (hard version) bitmasks, brute force, combinatorics, math	3500	x289
1305G	Kuroni and Antihype bitmasks, brute force, dp, dsu, graphs	3500	x946
1580E	Railway Construction brute force, constructive algorithms, data structures, graphs, shortest paths	3400	x64
1896H1	Cyclic Hamming (Easy Version) brute force, divide and conquer, dp, fft, math, number theory	3400	x79
1097H	Mateusz and an Infinite Sequence bitmasks, brute force, dp, strings	3400	x93
1817E	Half-sum brute force, divide and conquer, greedy	3400	x250
865F	Egg Roulette bitmasks, brute force, divide and conquer, math, meet-in-the-middle	3300	x67
1949A	Grove brute force, dfs and similar, dp, geometry, probabilities	3300	x81
865E	Hex Dyslexia bitmasks, brute force, dp, graphs	3300	x119
1017H	The Films brute force	3300	x138
1548D2	Gregor and the Odd Cows (Hard) brute force, geometry, math, number theory	3300	x238
1696G	Fishingprince Plays With Array Again brute force, data structures, geometry, math	3300	x265
1753E	N Machines binary search, brute force, greedy	3300	x309
1340F	Nastya and CBS brute force, data structures, hashing	3300	x470
1967F	Next and Prev brute force, data structures, implementation	3200	x28
765G	Math, math everywhere brute force, dp, math, meet-in-the-middle, number theory	3200	x81
1638F	Two Posters brute force, data structures, greedy, two pointers	3200	x189
1210F2	Marek and Matching (hard version) brute force, probabilities	3200	x189
1540D	Inverse Inversions binary search, brute force, data structures	3200	x262
1774G	Segment Covering brute force, combinatorics, constructive algorithms, data structures, dp, trees	3200	x366
1519F	Chests and Keys bitmasks, brute force, dfs and similar, dp, flows	3200	x388
1495E	Qingshan and Daniel brute force, data structures, greedy, implementation	3200	x406
750G	New Year and Binary Tree Paths bitmasks, brute force, combinatorics, dp	3200	x441
1268D	Invertation in Tournament brute force, divide and conquer, graphs, math	3200	x482
1250I	Show Must Go On binary search, brute force, greedy, shortest paths	3100	x126
662E	To Hack or not to Hack brute force, dp, greedy	3100	x132
1167G	Low Budget Inception brute force, geometry	3100	x147
1210F1	Marek and Matching (easy version) brute force, probabilities	3100	x188
1578J	Just Kingdom brute force, data structures, dfs and similar	3100	x217
164D	Minimum Diameter binary search, brute force	3100	x229
1286F	Harry The Potter brute force, constructive algorithms, dp, fft, implementation, math	3100	x235
1784E	Infinite Game brute force, combinatorics, dp, games, probabilities	3100	x302
1508E	Tree Calendar brute force, constructive algorithms, data structures, dfs and similar, sortings, trees	3100	x327
1948G	MST with Matching bitmasks, brute force, dsu, graph matchings, trees	3100	x616
156E	Mrs. Hudson's Pancakes brute force, dp	3000	x160
1934E	Weird LCM Operations brute force, constructive algorithms, number theory	3000	x183
280E	Sequence Transformation brute force, data structures, dp, implementation, math	3000	x196
1569F	Palindromic Hamiltonian Path brute force, dfs and similar, dp, graphs, hashing	3000	x228
1181E2	A Story of One Country (Hard) brute force, greedy, sortings	3000	x264
666D	Chain Reaction brute force, geometry	3000	x270
436F	Banners brute force, data structures, dp	3000	x358
1651F	Tower Defense binary search, brute force, data structures	3000	x362
1854E	Game Bundles brute force, constructive algorithms, dp, greedy, math	3000	x383
1787G	Colorful Tree Again brute force, data structures, trees	3000	x396
1535F	String Distance binary search, brute force, data structures, hashing, implementation, strings	3000	x438
1552G	A Serious Referee bitmasks, brute force, dfs and similar, sortings	3000	x454
1889D	Game of Stacks brute force, dfs and similar, graphs, implementation, trees	3000	x523
1149D	Abandoning Roads brute force, dp, graphs, greedy	3000	x671
1342F	Make It Ascending bitmasks, brute force, dp	3000	x686
914F	Substrings in a String bitmasks, brute force, data structures, string suffix structures, strings	3000	x1450
739E	Gosha is hunting brute force, data structures, dp, flows, math, probabilities, sortings	3000	x2053
73F	Plane of Tanks brute force, geometry	2900	x74
126E	Pills brute force, flows	2900	x82
1949E	Damage per Second brute force, math	2900	x83
138E	Hellish Constraints brute force, dp, two pointers	2900	x164
1796F	Strange Triples brute force, math, number theory	2900	x169
478E	Wavy numbers brute force, dfs and similar, meet-in-the-middle, sortings	2900	x206
497D	Gears brute force, geometry, math	2900	x224
1056G	Take Metro brute force, data structures, graphs	2900	x238
217D	Bitonix' Patrol bitmasks, brute force, combinatorics, dfs and similar, math	2900	x245
933D	A Creative Cutout brute force, combinatorics, math	2900	x280
679D	Bear and Chase brute force, dfs and similar, graphs, implementation, math, probabilities	2900	x311
1847E	Triangle Platinum? brute force, combinatorics, implementation, interactive, math, probabilities	2900	x317
193E	Fibonacci Number brute force, math, matrices	2900	x322
1494F	Delete The Edges brute force, constructive algorithms, dfs and similar, graphs, implementation	2900	x330
1359F	RC Kaboom Show binary search, brute force, data structures, geometry, math	2900	x350
1334G	Substring Search bitmasks, brute force, fft	2900	x353
1943E1	MEX Game 2 (Easy Version) binary search, brute force, greedy	2900	x364
1792F2	Graph Coloring (hard version) brute force, combinatorics, divide and conquer, dp, fft, graphs	2900	x373
163D	Large Refrigerator brute force	2900	x480
1028F	Make Symmetrical brute force	2900	x510
1221G	Graph And Numbers bitmasks, brute force, combinatorics, dp, meet-in-the-middle	2900	x519
1687D	Cute number binary search, brute force, data structures, dsu, implementation, math	2900	x557
1616F	Tricolor Triangles brute force, graphs, math, matrices	2900	x584
343E	Pumping Stations brute force, dfs and similar, divide and conquer, flows, graphs, greedy, trees	2900	x686
1580D	Subsequence brute force, divide and conquer, dp, greedy, trees	2900	x759
1479D	Odd Mineral Resource binary search, bitmasks, brute force, data structures, probabilities, trees	2900	x967
364D	Ghd brute force, math, probabilities	2900	x1965
869D	The Overdosing Ubiquity brute force, dfs and similar, graphs	2800	x235
1031F	Familiar Operations brute force, graphs, math	2800	x265
568D	Sign Posts brute force, geometry, math	2800	x298
1525F	Goblins And Gnomes brute force, dp, flows, graph matchings	2800	x317
1923F	Shrink-Reverse binary search, brute force, greedy, hashing, implementation, string suffix structures, strings	2800	x332
1578K	Kingdom of Islands brute force, graphs, implementation	2800	x346
1721F	Matching Reduction brute force, constructive algorithms, dfs and similar, flows, graph matchings, graphs, interactive	2800	x364
1033F	Boolean Computer bitmasks, brute force, fft, math	2800	x364
850E	Random Elections bitmasks, brute force, divide and conquer, fft, math	2800	x380
1155F	Delivery Oligopoly brute force, dp, graphs	2800	x402

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