Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 941 (Div. 1)
46:25:36
Register now »

*has extra registration

Before contest
Codeforces Round 941 (Div. 2)
46:25:36
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

brute force

Add tag

Problems

#	Name
1930F	Maximize the Difference bitmasks, brute force, dfs and similar	2700	x598
71D	Solitaire brute force, implementation	2200	x598
1286C2	Madhouse (Hard version) brute force, constructive algorithms, hashing, interactive, math	2800	x606
370D	Broken Monitor brute force, constructive algorithms, greedy, implementation	2100	x608
89C	Chip Play brute force, data structures, implementation	2300	x609
758F	Geometrical Progression brute force, math, number theory	2400	x616
1774F2	Magician and Pigs (Hard Version) binary search, brute force, data structures, implementation	2700	x636
1383D	Rearrange brute force, constructive algorithms, graphs, greedy, sortings	2800	x639
725E	Too Much Money brute force, greedy	2600	x641
1163E	Magical Permutation bitmasks, brute force, constructive algorithms, data structures, graphs, math	2400	x644
1336E1	Chiori and Doll Picking (easy version) bitmasks, brute force, combinatorics, math	2700	x647
1866L	Lihmuf Balling binary search, brute force, math	2400	x650
1731F	Function Sum brute force, combinatorics, dp, fft, math	2500	x654
200A	Cinema brute force, data structures	2400	x656
1771E	Hossam and a Letter brute force, dp, implementation, two pointers	2500	x657
1149D	Abandoning Roads brute force, dp, graphs, greedy	3000	x663
1342F	Make It Ascending bitmasks, brute force, dp	3000	x665
1421E	Swedish Heroes brute force, dp, implementation	2700	x669
343E	Pumping Stations brute force, dfs and similar, divide and conquer, flows, graphs, greedy, trees	2900	x670
1952J	Help, what does it mean to be "Based" brute force, constructive algorithms, expression parsing, implementation, sortings		x672
594C	Edo and Magnets brute force, greedy, implementation, two pointers	2300	x673
183B	Zoo brute force, geometry	1700	x677
1252J	Tiling Terrace brute force, dp	2300	x680
638D	Three-dimensional Turtle Super Computer brute force, dfs and similar, graphs	1800	x683
1866M	Mighty Rock Tower brute force, combinatorics, dp, math, probabilities	2400	x684
1557E	Assiut Chess brute force, constructive algorithms, interactive	2800	x686
1511G	Chips on a Board bitmasks, brute force, data structures, dp, games, two pointers	2700	x698
986E	Prince's Problem brute force, data structures, math, number theory, trees	2800	x698
763C	Timofey and remoduling brute force, implementation, math, number theory	2600	x702
1658F	Juju and Binary String brute force, constructive algorithms, greedy, math	2700	x723
1267I	Intriguing Selection brute force, constructive algorithms, implementation, interactive, sortings	2600	x727
1898F	Vova Escapes the Matrix brute force, dfs and similar, divide and conquer, shortest paths	2600	x733
837F	Prefix Sums binary search, brute force, combinatorics, math, matrices	2400	x734
1844F1	Min Cost Permutation (Easy Version) brute force, constructive algorithms, greedy, math	2600	x736
1848E	Vika and Stone Skipping brute force, implementation, math, number theory	2600	x737
1957E	Carousel of Combinations brute force, combinatorics, dp, math, number theory		x741
47D	Safe brute force	2200	x741
366E	Dima and Magic Guitar brute force, implementation, math	2200	x742
350E	Wrong Floyd brute force, constructive algorithms, dfs and similar, graphs	2200	x744
435D	Special Grid brute force, dp, greedy	2000	x745
1789E	Serval and Music Game brute force, dp, implementation, math, number theory	2500	x755
1580D	Subsequence brute force, divide and conquer, dp, greedy, trees	2900	x756
1500C	Matrix Sorting bitmasks, brute force, constructive algorithms, greedy, two pointers	2600	x763
1799F	Halve or Subtract binary search, brute force, dp, greedy, sortings	2700	x765
1891E	Brukhovich and Exams brute force, greedy, implementation, math, sortings	2500	x769
1693D	Decinc Dividing brute force, data structures, divide and conquer, dp, greedy	2800	x770
1400F	x-prime Substrings brute force, dfs and similar, dp, string suffix structures, strings	2800	x770
293B	Distinct Paths brute force, combinatorics	2700	x772
475C	Kamal-ol-molk's Painting brute force, constructive algorithms, greedy	2100	x777
1569E	Playoff Restoration bitmasks, brute force, hashing, implementation, meet-in-the-middle	2600	x783
1145C	Mystery Circuit bitmasks, brute force		x789
1017F	The Neutral Zone brute force, math	2500	x795
105B	Dark Assembly brute force, probabilities	1800	x795
1326F1	Wise Men (Easy Version) bitmasks, brute force, dp, meet-in-the-middle	2600	x805
253D	Table with Letters - 2 brute force, two pointers	2000	x805
1805F1	Survival of the Weakest (easy version) binary search, brute force, implementation, math, sortings	2600	x806
202B	Brand New Easy Problem brute force	1700	x806
949D	Curfew binary search, brute force, greedy, sortings	2300	x811
1070G	Monsters and Potions brute force, dp, greedy, implementation	2300	x814
1814D	Balancing Weapons binary search, brute force, data structures, math, two pointers	2500	x817
1700E	Serega the Pirate brute force, constructive algorithms	2600	x824
1767E	Algebra Flash bitmasks, brute force, dp, graphs, math, meet-in-the-middle, trees	2500	x830
1696F	Tree Recovery brute force, constructive algorithms, dfs and similar, dsu, graphs, trees	2600	x841
670F	Restore a Number brute force, constructive algorithms, strings	2300	x847
1933G	Turtle Magic: Royal Turtle Shell Pattern bitmasks, brute force, combinatorics, constructive algorithms, dfs and similar, math	2300	x849
778C	Peterson Polyglot brute force, dfs and similar, dsu, hashing, strings, trees	2500	x849
687D	Dividing Kingdom II brute force, data structures, dsu, graphs, sortings	2500	x849
303C	Minimum Modular brute force, graphs, math, number theory	2400	x852
1769B2	Копирование файлов II *special problem, binary search, brute force, math	1400	x853
529B	Group Photo 2 (online mirror version) brute force, greedy, sortings	1900	x853
217B	Blackboard Fibonacci brute force, math	2100	x853
245F	Log Stream Analysis binary search, brute force, implementation, strings	2000	x859
457C	Elections brute force	2100	x860
1920F1	Smooth Sailing (Easy Version) binary search, brute force, data structures, dfs and similar, dsu, graphs, shortest paths	2500	x867
1157G	Inverse of Rows and Columns brute force, constructive algorithms	2200	x867
200D	Programming Language binary search, brute force, expression parsing, implementation	1800	x869
1764F	Doremy's Experimental Tree brute force, constructive algorithms, dfs and similar, dsu, sortings, trees	2500	x876
839E	Mother of Dragons brute force, graphs, math, meet-in-the-middle	2700	x882
440C	One-Based Arithmetic brute force, dfs and similar, divide and conquer	1800	x889
868D	Huge Strings bitmasks, brute force, dp, implementation, strings	2200	x890
1400G	Mercenaries bitmasks, brute force, combinatorics, dp, dsu, math, two pointers	2600	x892
1835B	Lottery binary search, brute force, greedy, math, two pointers	2500	x895
142C	Help Caretaker brute force, dp	2300	x898
754C	Vladik and chat brute force, constructive algorithms, dp, implementation, strings	2200	x901
1955H	The Most Reckless Defense bitmasks, brute force, constructive algorithms, dp, flows, graph matchings, shortest paths	2300	x903
838A	Binary Blocks brute force	1400	x906
1200F	Graph Traveler brute force, data structures, dfs and similar, dp, graphs, implementation, math, number theory	2300	x907
1685C	Bring Balance brute force, constructive algorithms, greedy	2600	x910
1661E	Narrow Components brute force, data structures, dp, dsu, math, trees	2500	x910
1007B	Pave the Parallelepiped bitmasks, brute force, combinatorics, math, number theory	2400	x921
1769C1	Подкрутка I *special problem, brute force, dp, greedy	1200	x927
1184A2	Heidi Learns Hashing (Medium) brute force, number theory	2100	x928
292C	Beautiful IP Addresses brute force	2000	x930
1835C	Twin Clusters bitmasks, brute force, constructive algorithms, math, probabilities	2600	x931
1305G	Kuroni and Antihype bitmasks, brute force, dp, dsu, graphs	3500	x938
1882E1	Two Permutations (Easy Version) brute force, constructive algorithms, greedy, number theory	2400	x949
1038E	Maximum Matching bitmasks, brute force, dfs and similar, dp, graphs	2400	x951
407C	Curious Array brute force, combinatorics, implementation, math	2500	x951
1479D	Odd Mineral Resource binary search, bitmasks, brute force, data structures, probabilities, trees	2900	x953
173C	Spiral Maximum brute force, dp	1900	x955