Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 941 (Div. 1)
2 days
Register now »

*has extra registration

Before contest
Codeforces Round 941 (Div. 2)
2 days
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

brute force

Add tag

Problems

#	Name
453B	Little Pony and Harmony Chest bitmasks, brute force, dp	2000	x4516
1019A	Elections brute force, greedy	1700	x4509
913D	Too Easy Problems binary search, brute force, data structures, greedy, sortings	1800	x4492
120A	Elevator brute force, implementation, math	1000	x4485
1493C	K-beautiful Strings binary search, brute force, constructive algorithms, greedy, strings	2000	x4449
598E	Chocolate Bar brute force, dp	2000	x4448
475D	CGCDSSQ brute force, data structures, math	2000	x4444
911D	Inversion Counting brute force, math	1800	x4412
900C	Remove Extra One brute force, data structures, math	1700	x4408
1804D	Accommodation brute force, dp, greedy, implementation	2000	x4407
1108E1	Array and Segments (Easy version) brute force, greedy, implementation	1800	x4402
1481D	AB Graph brute force, constructive algorithms, graphs, greedy, implementation	2000	x4384
1043D	Mysterious Crime brute force, combinatorics, math, meet-in-the-middle, two pointers	1700	x4366
831C	Jury Marks brute force, constructive algorithms	1700	x4363
244B	Undoubtedly Lucky Numbers bitmasks, brute force, dfs and similar	1600	x4363
1202B	You Are Given a Decimal String... brute force, dp, shortest paths	1700	x4355
1487E	Cheap Dinner brute force, data structures, graphs, greedy, implementation, sortings, two pointers	2000	x4352
552D	Vanya and Triangles brute force, combinatorics, data structures, geometry, math, sortings	1900	x4351
789B	Masha and geometric depression brute force, implementation, math	1700	x4342
1574D	The Strongest Build binary search, brute force, data structures, dfs and similar, graphs, greedy, hashing, implementation	2000	x4331
1834D	Survey in Class brute force, data structures, greedy, implementation, sortings	1900	x4327
766C	Mahmoud and a Message brute force, dp, greedy, strings	1700	x4311
626C	Block Towers brute force, greedy, math, number theory	1600	x4285
1360H	Binary Median binary search, bitmasks, brute force, constructive algorithms	2100	x4276
159D	Palindrome pairs *special problem, brute force, dp, strings	1500	x4247
146B	Lucky Mask brute force, implementation	1300	x4218
1560F2	Nearest Beautiful Number (hard version) bitmasks, brute force, constructive algorithms, dfs and similar, dp, greedy	2100	x4186
257C	View Angle brute force, geometry, math	1800	x4186
1408D	Searchlights binary search, brute force, data structures, dp, implementation, sortings, two pointers	2000	x4154
1783D	Different Arrays brute force, dp, implementation	2000	x4151
846A	Curriculum Vitae brute force, implementation	1500	x4150
1662A	Organizing SWERC brute force, implementation		x4143
685A	Robbers' watch brute force, combinatorics, dp, math	1700	x4142
1178E	Archaeology brute force, constructive algorithms, greedy, strings	1900	x4113
203A	Two Problems brute force, implementation	1200	x4111
585A	Gennady the Dentist brute force, implementation	1800	x4110
1433G	Reducing Delivery Cost brute force, graphs, shortest paths	2100	x4090
1506G	Maximize the Remaining String brute force, data structures, dp, greedy, strings	2000	x4089
1453D	Checkpoints brute force, constructive algorithms, greedy, math, probabilities	1900	x4072
22B	Bargaining Table brute force, dp	1500	x4060
825B	Five-In-a-Row brute force, implementation	1600	x4048
1421D	Hexagons brute force, constructive algorithms, greedy, implementation, math, shortest paths	1900	x4046
797E	Array Queries brute force, data structures, dp	2000	x4043
231D	Magic Box brute force, geometry	1600	x4027
1389D	Segment Intersections brute force, greedy, implementation, math	2100	x4021
1620D	Exact Change brute force, constructive algorithms, greedy	2000	x4019
342B	Xenia and Spies brute force, greedy, implementation	1500	x3983
27E	Number With The Given Amount Of Divisors brute force, dp, number theory	2000	x3978
724B	Batch Sort brute force, greedy, implementation, math	1500	x3967
932C	Permutation Cycle brute force, constructive algorithms	1600	x3964
443B	Kolya and Tandem Repeat brute force, implementation, strings	1500	x3964
401D	Roman and Numbers bitmasks, brute force, combinatorics, dp, number theory	2000	x3963
1366E	Two Arrays binary search, brute force, combinatorics, constructive algorithms, dp, two pointers	2100	x3951
1872G	Replace With Product brute force, greedy, math	2000	x3942
761D	Dasha and Very Difficult Problem binary search, brute force, constructive algorithms, greedy, sortings	1700	x3940
557C	Arthur and Table brute force, data structures, dp, greedy, math, sortings	1900	x3937
1624E	Masha-forgetful brute force, constructive algorithms, dp, hashing, implementation, strings	2000	x3925
1138B	Circus brute force, greedy, math, strings	1800	x3924
837C	Two Seals brute force, implementation	1500	x3918
558C	Amr and Chemistry brute force, graphs, greedy, math, shortest paths	1900	x3914
1200D	White Lines brute force, data structures, dp, implementation, two pointers	1900	x3908
835D	Palindromic characteristics brute force, dp, hashing, strings	1900	x3887
632B	Alice, Bob, Two Teams brute force, constructive algorithms	1400	x3885
837B	Flag of Berland brute force, implementation	1600	x3883
1129A2	Toy Train brute force, greedy	1800	x3882
189B	Counting Rhombi brute force, math	1300	x3867
1946D	Birthday Gift bitmasks, brute force, constructive algorithms, greedy, implementation	1900	x3859
777E	Hanoi Factory brute force, data structures, dp, greedy, sortings	2000	x3854
41B	Martian Dollar brute force	1400	x3846
1384B1	Koa and the Beach (Easy Version) brute force, dp, greedy	1900	x3832
1817B	Fish Graph brute force, constructive algorithms, dfs and similar, graphs	1900	x3809
425A	Sereja and Swaps brute force, sortings	1500	x3807
439C	Devu and Partitioning of the Array brute force, constructive algorithms, implementation, number theory	1700	x3793
134A	Average Numbers brute force, implementation	1200	x3791
1626D	Martial Arts Tournament binary search, brute force, greedy, math	2100	x3780
813B	The Golden Age brute force, math	1800	x3771
768C	Jon Snow and his Favourite Number brute force, dp, implementation, sortings	1800	x3769
1129A1	Toy Train (Simplified) brute force, greedy	1700	x3760
551B	ZgukistringZ brute force, constructive algorithms, implementation, strings	1800	x3759
124B	Permutations brute force, combinatorics, implementation	1400	x3741
88A	Chord brute force, implementation	1200	x3735
260B	Ancient Prophesy brute force, implementation, strings	1600	x3734
1788D	Moving Dots binary search, brute force, combinatorics, math, two pointers	2000	x3705
1928D	Lonely Mountain Dungeons brute force, data structures, greedy, math, ternary search	1900	x3690
858B	Which floor? brute force, implementation	1500	x3687
402B	Trees in a Row brute force, implementation	1400	x3686
1891D	Suspicious logarithms binary search, brute force, math	1900	x3683
1878F	Vasilije Loves Number Theory brute force, math, number theory	1900	x3683
1797D	Li Hua and Tree brute force, data structures, dfs and similar, dp, implementation, trees	1900	x3679
358B	Dima and Text Messages brute force, strings	1500	x3675
1551E	Fixed Points binary search, brute force, dp	2000	x3669
1900D	Small GCD bitmasks, brute force, dp, math, number theory	2000	x3660
487A	Fight the Monster binary search, brute force, implementation	1800	x3653
1930D1	Sum over all Substrings (Easy Version) brute force, dp, greedy, strings	1800	x3644
1575J	Jeopardy of Dropped Balls binary search, brute force, dsu, implementation	1500	x3635
988E	Divisibility by 25 brute force, greedy	2100	x3634
1333D	Challenges in school №41 brute force, constructive algorithms, games, graphs, greedy, implementation, sortings	2100	x3630
430B	Balls Game brute force, two pointers	1400	x3621
1070H	BerOS File Suggestion brute force, implementation	1500	x3608
914C	Travelling Salesman and Special Numbers brute force, combinatorics, dp	1800	x3588