Problemset - Codeforces

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Codeforces Round 940 (Div. 2)
5 days

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Difficulty: —

brute force

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Problems

#	Name
1580E	Railway Construction brute force, constructive algorithms, data structures, graphs, shortest paths	3400	x63
1431H	Rogue-like Game *special problem, brute force, greedy, two pointers	2600	x63
865F	Egg Roulette bitmasks, brute force, divide and conquer, math, meet-in-the-middle	3300	x66
1491I	Ruler Of The Zoo brute force, data structures	3500	x72
1302F	Keep talking and nobody explodes -- easy bitmasks, brute force, expression parsing		x72
1949E	Damage per Second brute force, math		x73
73F	Plane of Tanks brute force, geometry	2900	x73
1949A	Grove brute force, dfs and similar, dp, geometry, probabilities		x75
1896H1	Cyclic Hamming (Easy Version) brute force, divide and conquer, dp, fft, math, number theory	3400	x76
765G	Math, math everywhere brute force, dp, math, meet-in-the-middle, number theory	3200	x79
126E	Pills brute force, flows	2900	x81
1896H2	Cyclic Hamming (Hard Version) brute force, dp, fft, math, number theory	3500	x83
1097H	Mateusz and an Infinite Sequence bitmasks, brute force, dp, strings	3400	x91
109E	Lucky Interval brute force, math	2700	x97
1545F	AquaMoon and Potatoes brute force, data structures, dp	3500	x101
1854F	Mark and Spaceship brute force, dp	3500	x107
1120E	The very same Munchhausen brute force	2600	x109
1876G	Clubstep binary search, brute force, data structures, greedy, trees	3500	x114
1769D3	Игра в Девятку III *special problem, brute force	2300	x114
1508F	Optimal Encoding brute force, data structures	3500	x114
865E	Hex Dyslexia bitmasks, brute force, dp, graphs	3300	x117
1250I	Show Must Go On binary search, brute force, greedy, shortest paths	3100	x126
1779H	Olympic Team Building brute force, meet-in-the-middle	3500	x129
1444E	Finding the Vertex brute force, dfs and similar, dp, interactive, trees	3500	x129
662E	To Hack or not to Hack brute force, dp, greedy	3100	x129
105D	Entertaining Geodetics brute force, dsu, implementation	2700	x133
1017H	The Films brute force	3300	x134
1696H	Maximum Product? brute force, combinatorics, dp, greedy, implementation, math, two pointers	3500	x141
1167G	Low Budget Inception brute force, geometry	3100	x145
1320F	Blocks and Sensors brute force	3500	x148
72E	Ali goes shopping *special problem, brute force, strings	1800	x150
1934E	Weird LCM Operations brute force, constructive algorithms, number theory	3000	x159
156E	Mrs. Hudson's Pancakes brute force, dp	3000	x159
138E	Hellish Constraints brute force, dp, two pointers	2900	x162
1796F	Strange Triples brute force, math, number theory	2900	x165
309D	Tennis Rackets brute force, geometry	2700	x170
86E	Long sequence brute force, math, matrices	2700	x177
105E	Lift and Throw brute force	2500	x178
44I	Toys brute force, combinatorics	2300	x180
391C1	The Tournament brute force		x182
1753F	Minecraft Series brute force, two pointers	3500	x184
1769D2	Игра в Девятку II *special problem, brute force	2200	x185
1638F	Two Posters brute force, data structures, greedy, two pointers	3200	x185
1271F	Divide The Students brute force	2700	x185
1210F1	Marek and Matching (easy version) brute force, probabilities	3100	x186
1210F2	Marek and Matching (hard version) brute force, probabilities	3200	x187
363E	Two Circles brute force, data structures, implementation	2500	x191
280E	Sequence Transformation brute force, data structures, dp, implementation, math	3000	x195
391D1	Supercollider brute force		x200
1515H	Phoenix and Bits bitmasks, brute force, data structures, sortings	3500	x203
478E	Wavy numbers brute force, dfs and similar, meet-in-the-middle, sortings	2900	x203
575C	Party bitmasks, brute force, graph matchings	2700	x210
1578J	Just Kingdom brute force, data structures, dfs and similar	3100	x216
497D	Gears brute force, geometry, math	2900	x222
1569F	Palindromic Hamiltonian Path brute force, dfs and similar, dp, graphs, hashing	3000	x224
164D	Minimum Diameter binary search, brute force	3100	x228
97D	Robot in Basement bitmasks, brute force, implementation	2700	x228
1286F	Harry The Potter brute force, constructive algorithms, dp, fft, implementation, math	3100	x230
869D	The Overdosing Ubiquity brute force, dfs and similar, graphs	2800	x232
64E	Prime Segment *special problem, brute force, math, number theory	1800	x233
1548D2	Gregor and the Odd Cows (Hard) brute force, geometry, math, number theory	3300	x236
1056G	Take Metro brute force, data structures, graphs	2900	x237
152D	Frames brute force	2600	x237
217D	Bitonix' Patrol bitmasks, brute force, combinatorics, dfs and similar, math	2900	x241
1817E	Half-sum brute force, divide and conquer, greedy	3400	x246
97A	Domino brute force, implementation	2400	x249
1181E2	A Story of One Country (Hard) brute force, greedy, sortings	3000	x257
666D	Chain Reaction brute force, geometry	3000	x257
241F	Race brute force, implementation	2300	x258
1540D	Inverse Inversions binary search, brute force, data structures	3200	x259
175E	Power Defence brute force, dp, geometry, greedy	2600	x259
394D	Physical Education and Buns brute force, implementation, math		x261
1696G	Fishingprince Plays With Array Again brute force, data structures, geometry, math	3300	x263
1031F	Familiar Operations brute force, graphs, math	2800	x263
105C	Item World brute force, implementation, sortings	2200	x267
933D	A Creative Cutout brute force, combinatorics, math	2900	x278
753C	Interactive Bulls and Cows (Hard) brute force, constructive algorithms, interactive	2500	x278
1336E2	Chiori and Doll Picking (hard version) bitmasks, brute force, combinatorics, math	3500	x280
1599J	Bob's Beautiful Array bitmasks, brute force, greedy	2600	x282
175D	Plane of Tanks: Duel brute force, dp, math, probabilities	2400	x288
135D	Cycle brute force, dfs and similar, implementation	2500	x292
991F	Concise and clear brute force, greedy, implementation, math	2700	x293
1784E	Infinite Game brute force, combinatorics, dp, games, probabilities	3100	x297
568D	Sign Posts brute force, geometry, math	2800	x297
294D	Shaass and Painter Robot brute force, implementation, number theory	2500	x297
68C	Synchrophasotron brute force	2200	x302
335D	Rectangles and Square brute force, dp	2400	x303
1753E	N Machines binary search, brute force, greedy	3300	x305
1923F	Shrink-Reverse binary search, brute force, greedy, hashing, implementation, string suffix structures, strings	2800	x309
679D	Bear and Chase brute force, dfs and similar, graphs, implementation, math, probabilities	2900	x310
1847E	Triangle Platinum? brute force, combinatorics, implementation, interactive, math, probabilities	2900	x311
1943E1	MEX Game 2 (Easy Version) binary search, brute force, greedy	2900	x312
1671F	Permutation Counting brute force, combinatorics, dp, fft, math	2700	x313
1571D	Sweepstake *special problem, brute force, constructive algorithms, implementation, math	1800	x315
1525F	Goblins And Gnomes brute force, dp, flows, graph matchings	2800	x315
193E	Fibonacci Number brute force, math, matrices	2900	x319
1192C	Cubeword *special problem, brute force, dp, meet-in-the-middle		x322
1508E	Tree Calendar brute force, constructive algorithms, data structures, dfs and similar, sortings, trees	3100	x323
1494F	Delete The Edges brute force, constructive algorithms, dfs and similar, graphs, implementation	2900	x323
1531E2	Сортировка слиянием special problem, special problem, brute force		x331

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