Problemset - Codeforces

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Codeforces Round (Div. 2)
5 days

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Difficulty: —

brute force

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Problems

#	Name
696A	Lorenzo Von Matterhorn brute force, data structures, implementation, trees	1500	x5967
205B	Little Elephant and Sorting brute force, greedy	1400	x5923
106B	Choosing Laptop brute force, implementation	1000	x5908
1512F	Education brute force, dp, greedy, implementation	1900	x5898
1560F1	Nearest Beautiful Number (easy version) binary search, bitmasks, brute force, constructive algorithms, dfs and similar, greedy	1900	x5878
172A	Phone Code *special problem, brute force, implementation	800	x5874
761C	Dasha and Password brute force, dp, implementation	1500	x5823
1184A1	Heidi Learns Hashing (Easy) brute force, math, number theory	1200	x5807
1807F	Bouncy Ball brute force, dfs and similar, implementation	1700	x5803
1354C2	Not So Simple Polygon Embedding binary search, brute force, geometry, math	2000	x5793
496B	Secret Combination brute force, constructive algorithms, implementation	1500	x5788
1955E	Long Inversions brute force, greedy, implementation, sortings		x5777
538C	Tourist's Notes binary search, brute force, greedy, implementation, math	1600	x5751
776C	Molly's Chemicals binary search, brute force, data structures, implementation, math	1800	x5732
1720D1	Xor-Subsequence (easy version) bitmasks, brute force, dp, strings, trees, two pointers	1800	x5691
593A	2Char brute force, implementation	1200	x5662
18A	Triangle brute force, geometry	1500	x5661
402C	Searching for Graph brute force, constructive algorithms, graphs	1500	x5660
1210B	Marcin and Training Camp brute force, greedy	1700	x5659
1162B	Double Matrix brute force, greedy	1400	x5656
697B	Barnicle brute force, implementation, math, strings	1400	x5654
1556C	Compressed Bracket Sequence brute force, implementation	1800	x5633
821B	Okabe and Banana Trees brute force, math	1300	x5621
1264B	Beautiful Sequence brute force, constructive algorithms, greedy	1900	x5573
1862F	Magic Will Save the World binary search, bitmasks, brute force, dp	1800	x5569
815A	Karen and Game brute force, greedy, implementation	1700	x5569
1812B	Was it Rated? special problem, special problem, *special problem, brute force, implementation		x5546
907A	Masha and Bears brute force, implementation	1300	x5542
1904D1	Set To Max (Easy Version) brute force, constructive algorithms, greedy	1600	x5533
887B	Cubes for Masha brute force, implementation	1300	x5522
1413C	Perform Easily binary search, brute force, dp, implementation, sortings, two pointers	1900	x5518
1707B	Difference Array brute force, data structures, implementation, sortings	1900	x5507
1822F	Gardening Friends brute force, dfs and similar, dp, graphs, trees	1700	x5477
279A	Point on Spiral brute force, geometry, implementation	1400	x5461
1547F	Array Stabilization (GCD version) binary search, brute force, data structures, divide and conquer, number theory, two pointers	1900	x5456
1015E1	Stars Drawing (Easy Edition) brute force, dp, greedy	1700	x5426
1379C	Choosing flowers binary search, brute force, data structures, dfs and similar, dp, greedy, sortings, two pointers	2000	x5384
354A	Vasya and Robot brute force, greedy, math	1500	x5381
552C	Vanya and Scales brute force, dp, greedy, math, meet-in-the-middle, number theory	1900	x5376
1561D1	Up the Strip (simplified version) brute force, data structures, dp, math, number theory	1700	x5370
1033C	Permutation Game brute force, dp, games	1600	x5359
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x5341
1118D1	Coffee and Coursework (Easy version) brute force, greedy	1700	x5329
1372D	Omkar and Circle brute force, dp, games, greedy	2100	x5281
1867D	Cyclic Operations brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	1800	x5272
1735D	Meta-set brute force, combinatorics, data structures, hashing, math	1700	x5246
1510K	King's Task brute force, graphs, implementation	1200	x5242
961C	Chessboard bitmasks, brute force, implementation	1400	x5212
1781D	Many Perfect Squares brute force, math, number theory	1800	x5209
1744E2	Divisible Numbers (hard version) brute force, math, number theory	1900	x5200
689A	Mike and Cellphone brute force, constructive algorithms, implementation	1400	x5180
579B	Finding Team Member brute force, implementation, sortings	1300	x5177
1543C	Need for Pink Slips bitmasks, brute force, dfs and similar, implementation, math, probabilities	1900	x5173
9B	Running Student brute force, geometry, implementation	1200	x5167
510D	Fox And Jumping bitmasks, brute force, dp, math	1900	x5156
1132C	Painting the Fence brute force	1700	x5154
1415D	XOR-gun bitmasks, brute force, constructive algorithms	2000	x5145
252A	Little Xor brute force, implementation	1100	x5140
27B	Tournament bitmasks, brute force, dfs and similar, greedy	1300	x5117
1367E	Necklace Assembly brute force, dfs and similar, dp, graphs, greedy, number theory	1900	x5114
1210A	Anadi and Domino brute force, graphs	1700	x5111
299B	Ksusha the Squirrel brute force, implementation	900	x5110
578B	"Or" Game brute force, greedy	1700	x5105
1922D	Berserk Monsters brute force, data structures, dsu, implementation, math	1900	x5083
812B	Sagheer, the Hausmeister bitmasks, brute force, dp	1600	x5063
1475F	Unusual Matrix 2-sat, brute force, constructive algorithms	1900	x5052
23A	You're Given a String... brute force, greedy	1200	x5043
1920D	Array Repetition binary search, brute force, dsu, implementation, math	1900	x5008
568A	Primes or Palindromes? brute force, implementation, math, number theory	1600	x4996
1903D1	Maximum And Queries (easy version) binary search, bitmasks, brute force, greedy	1700	x4976
1228D	Complete Tripartite brute force, constructive algorithms, graphs, hashing, implementation	1900	x4961
1716D	Chip Move brute force, dp, math	2000	x4952
1468K	The Robot brute force, implementation	1600	x4949
1371E1	Asterism (Easy Version) binary search, brute force, combinatorics, math, number theory, sortings	1900	x4943
1670D	Very Suspicious binary search, brute force, geometry, greedy, implementation, math	1700	x4932
845B	Luba And The Ticket brute force, greedy, implementation	1600	x4926
1391D	505 bitmasks, brute force, constructive algorithms, dp, greedy, implementation	2000	x4907
1213E	Two Small Strings brute force, constructive algorithms	1900	x4889
214B	Hometask brute force, constructive algorithms, greedy, math	1600	x4866
653B	Bear and Compressing brute force, dfs and similar, dp, strings	1300	x4861
359D	Pair of Numbers binary search, brute force, data structures, math, two pointers	2000	x4800
1343E	Weights Distributing brute force, graphs, greedy, shortest paths, sortings	2100	x4797
1593D2	Half of Same brute force, math, number theory	1900	x4767
1119E	Pavel and Triangles brute force, dp, fft, greedy, ternary search	1900	x4732
407A	Triangle brute force, geometry, implementation, math	1600	x4730
1493D	GCD of an Array brute force, data structures, hashing, implementation, math, number theory, sortings, two pointers	2100	x4722
526A	King of Thieves brute force, implementation	1300	x4721
1821D	Black Cells binary search, brute force, greedy, math	1900	x4714
1657D	For Gamers. By Gamers. binary search, brute force, greedy, math, sortings	2000	x4684
1207F	Remainder Problem brute force, data structures, implementation	2100	x4674
161A	Dress'em in Vests! binary search, brute force, greedy, two pointers	1300	x4671
255C	Almost Arithmetical Progression brute force, dp	1500	x4614
1006F	Xor-Paths bitmasks, brute force, dp, meet-in-the-middle	2100	x4602
305A	Strange Addition brute force, constructive algorithms, implementation	1600	x4595
1558B	Up the Strip brute force, dp, math, number theory, two pointers	1900	x4587
466B	Wonder Room brute force, math	2000	x4582
1579F	Array Stabilization (AND version) brute force, graphs, math, number theory, shortest paths	1700	x4553
1830B	The BOSS Can Count Pairs brute force, math	2000	x4549
317A	Perfect Pair brute force	1600	x4521
868C	Qualification Rounds bitmasks, brute force, constructive algorithms, dp	1500	x4514