Problemset - Codeforces

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Codeforces Round 940 (Div. 2) and CodeCraft-23
40:18:36
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brute force

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Problems

#	Name
1626D	Martial Arts Tournament binary search, brute force, greedy, math	2100	x3774
134A	Average Numbers brute force, implementation	1200	x3789
1946D	Birthday Gift bitmasks, brute force, constructive algorithms, greedy, implementation	1900	x3791
439C	Devu and Partitioning of the Array brute force, constructive algorithms, implementation, number theory	1700	x3792
1138B	Circus brute force, greedy, math, strings	1800	x3796
1817B	Fish Graph brute force, constructive algorithms, dfs and similar, graphs	1900	x3804
425A	Sereja and Swaps brute force, sortings	1500	x3804
1384B1	Koa and the Beach (Easy Version) brute force, dp, greedy	1900	x3822
41B	Martian Dollar brute force	1400	x3842
1129A2	Toy Train brute force, greedy	1800	x3847
777E	Hanoi Factory brute force, data structures, dp, greedy, sortings	2000	x3851
189B	Counting Rhombi brute force, math	1300	x3862
1200D	White Lines brute force, data structures, dp, implementation, two pointers	1900	x3875
837B	Flag of Berland brute force, implementation	1600	x3877
632B	Alice, Bob, Two Teams brute force, constructive algorithms	1400	x3881
835D	Palindromic characteristics brute force, dp, hashing, strings	1900	x3882
558C	Amr and Chemistry brute force, graphs, greedy, math, shortest paths	1900	x3913
837C	Two Seals brute force, implementation	1500	x3914
1624E	Masha-forgetful brute force, constructive algorithms, dp, hashing, implementation, strings	2000	x3916
1872G	Replace With Product brute force, greedy, math	2000	x3929
557C	Arthur and Table brute force, data structures, dp, greedy, math, sortings	1900	x3936
761D	Dasha and Very Difficult Problem binary search, brute force, constructive algorithms, greedy, sortings	1700	x3937
1366E	Two Arrays binary search, brute force, combinatorics, constructive algorithms, dp, two pointers	2100	x3948
443B	Kolya and Tandem Repeat brute force, implementation, strings	1500	x3956
932C	Permutation Cycle brute force, constructive algorithms	1600	x3959
401D	Roman and Numbers bitmasks, brute force, combinatorics, dp, number theory	2000	x3959
724B	Batch Sort brute force, greedy, implementation, math	1500	x3960
27E	Number With The Given Amount Of Divisors brute force, dp, number theory	2000	x3971
342B	Xenia and Spies brute force, greedy, implementation	1500	x3980
1620D	Exact Change brute force, constructive algorithms, greedy	2000	x4012
1389D	Segment Intersections brute force, greedy, implementation, math	2100	x4019
231D	Magic Box brute force, geometry	1600	x4024
797E	Array Queries brute force, data structures, dp	2000	x4033
825B	Five-In-a-Row brute force, implementation	1600	x4042
1421D	Hexagons brute force, constructive algorithms, greedy, implementation, math, shortest paths	1900	x4045
22B	Bargaining Table brute force, dp	1500	x4057
1453D	Checkpoints brute force, constructive algorithms, greedy, math, probabilities	1900	x4070
1506G	Maximize the Remaining String brute force, data structures, dp, greedy, strings	2000	x4083
1433G	Reducing Delivery Cost brute force, graphs, shortest paths	2100	x4086
585A	Gennady the Dentist brute force, implementation	1800	x4110
203A	Two Problems brute force, implementation	1200	x4111
1178E	Archaeology brute force, constructive algorithms, greedy, strings	1900	x4112
1662A	Organizing SWERC brute force, implementation		x4140
685A	Robbers' watch brute force, combinatorics, dp, math	1700	x4141
1783D	Different Arrays brute force, dp, implementation	2000	x4144
846A	Curriculum Vitae brute force, implementation	1500	x4149
1408D	Searchlights binary search, brute force, data structures, dp, implementation, sortings, two pointers	2000	x4151
1560F2	Nearest Beautiful Number (hard version) bitmasks, brute force, constructive algorithms, dfs and similar, dp, greedy	2100	x4183
257C	View Angle brute force, geometry, math	1800	x4183
146B	Lucky Mask brute force, implementation	1300	x4212
159D	Palindrome pairs *special problem, brute force, dp, strings	1500	x4246
1360H	Binary Median binary search, bitmasks, brute force, constructive algorithms	2100	x4275
626C	Block Towers brute force, greedy, math, number theory	1600	x4284
766C	Mahmoud and a Message brute force, dp, greedy, strings	1700	x4311
1834D	Survey in Class brute force, data structures, greedy, implementation, sortings	1900	x4317
1574D	The Strongest Build binary search, brute force, data structures, dfs and similar, graphs, greedy, hashing, implementation	2000	x4325
789B	Masha and geometric depression brute force, implementation, math	1700	x4340
552D	Vanya and Triangles brute force, combinatorics, data structures, geometry, math, sortings	1900	x4341
1202B	You Are Given a Decimal String... brute force, dp, shortest paths	1700	x4351
1487E	Cheap Dinner brute force, data structures, graphs, greedy, implementation, sortings, two pointers	2000	x4352
244B	Undoubtedly Lucky Numbers bitmasks, brute force, dfs and similar	1600	x4354
831C	Jury Marks brute force, constructive algorithms	1700	x4358
1043D	Mysterious Crime brute force, combinatorics, math, meet-in-the-middle, two pointers	1700	x4364
1481D	AB Graph brute force, constructive algorithms, graphs, greedy, implementation	2000	x4383
1108E1	Array and Segments (Easy version) brute force, greedy, implementation	1800	x4399
1804D	Accommodation brute force, dp, greedy, implementation	2000	x4400
900C	Remove Extra One brute force, data structures, math	1700	x4405
911D	Inversion Counting brute force, math	1800	x4410
475D	CGCDSSQ brute force, data structures, math	2000	x4428
598E	Chocolate Bar brute force, dp	2000	x4439
1493C	K-beautiful Strings binary search, brute force, constructive algorithms, greedy, strings	2000	x4448
120A	Elevator brute force, implementation, math	1000	x4480
913D	Too Easy Problems binary search, brute force, data structures, greedy, sortings	1800	x4490
1019A	Elections brute force, greedy	1700	x4506
453B	Little Pony and Harmony Chest bitmasks, brute force, dp	2000	x4512
868C	Qualification Rounds bitmasks, brute force, constructive algorithms, dp	1500	x4518
317A	Perfect Pair brute force	1600	x4523
1579F	Array Stabilization (AND version) brute force, graphs, math, number theory, shortest paths	1700	x4556
1830B	The BOSS Can Count Pairs brute force, math	2000	x4559
466B	Wonder Room brute force, math	2000	x4584
1558B	Up the Strip brute force, dp, math, number theory, two pointers	1900	x4590
305A	Strange Addition brute force, constructive algorithms, implementation	1600	x4598
1006F	Xor-Paths bitmasks, brute force, dp, meet-in-the-middle	2100	x4612
255C	Almost Arithmetical Progression brute force, dp	1500	x4615
161A	Dress'em in Vests! binary search, brute force, greedy, two pointers	1300	x4671
1657D	For Gamers. By Gamers. binary search, brute force, greedy, math, sortings	2000	x4691
1207F	Remainder Problem brute force, data structures, implementation	2100	x4691
1821D	Black Cells binary search, brute force, greedy, math	1900	x4722
526A	King of Thieves brute force, implementation	1300	x4723
1493D	GCD of an Array brute force, data structures, hashing, implementation, math, number theory, sortings, two pointers	2100	x4727
407A	Triangle brute force, geometry, implementation, math	1600	x4737
1119E	Pavel and Triangles brute force, dp, fft, greedy, ternary search	1900	x4770
1593D2	Half of Same brute force, math, number theory	1900	x4777
1343E	Weights Distributing brute force, graphs, greedy, shortest paths, sortings	2100	x4799
359D	Pair of Numbers binary search, brute force, data structures, math, two pointers	2000	x4805
653B	Bear and Compressing brute force, dfs and similar, dp, strings	1300	x4862
214B	Hometask brute force, constructive algorithms, greedy, math	1600	x4873
1213E	Two Small Strings brute force, constructive algorithms	1900	x4893
1391D	505 bitmasks, brute force, constructive algorithms, dp, greedy, implementation	2000	x4914
845B	Luba And The Ticket brute force, greedy, implementation	1600	x4927