Problemset - Codeforces

Rating changes for last rounds are temporarily rolled back. They will be returned soon. ×

→ Pay attention

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

*has extra registration

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

*has extra registration

→ Filter Problems

Difficulty: —

brute force

Add tag

Problems

#	Name
1292B	Aroma's Search brute force, constructive algorithms, geometry, greedy, implementation	1700	x6014
696A	Lorenzo Von Matterhorn brute force, data structures, implementation, trees	1500	x5970
205B	Little Elephant and Sorting brute force, greedy	1400	x5929
106B	Choosing Laptop brute force, implementation	1000	x5917
1512F	Education brute force, dp, greedy, implementation	1900	x5912
1560F1	Nearest Beautiful Number (easy version) binary search, bitmasks, brute force, constructive algorithms, dfs and similar, greedy	1900	x5897
172A	Phone Code *special problem, brute force, implementation	800	x5885
1807F	Bouncy Ball brute force, dfs and similar, implementation	1700	x5833
761C	Dasha and Password brute force, dp, implementation	1500	x5826
1184A1	Heidi Learns Hashing (Easy) brute force, math, number theory	1200	x5814
1354C2	Not So Simple Polygon Embedding binary search, brute force, geometry, math	2000	x5799
496B	Secret Combination brute force, constructive algorithms, implementation	1500	x5797
1162B	Double Matrix brute force, greedy	1400	x5759
538C	Tourist's Notes binary search, brute force, greedy, implementation, math	1600	x5756
776C	Molly's Chemicals binary search, brute force, data structures, implementation, math	1800	x5738
1720D1	Xor-Subsequence (easy version) bitmasks, brute force, dp, strings, trees, two pointers	1800	x5701
18A	Triangle brute force, geometry	1500	x5683
402C	Searching for Graph brute force, constructive algorithms, graphs	1500	x5681
593A	2Char brute force, implementation	1200	x5670
1210B	Marcin and Training Camp brute force, greedy	1700	x5662
697B	Barnicle brute force, implementation, math, strings	1400	x5662
1556C	Compressed Bracket Sequence brute force, implementation	1800	x5640
821B	Okabe and Banana Trees brute force, math	1300	x5623
1862F	Magic Will Save the World binary search, bitmasks, brute force, dp	1800	x5600
1904D1	Set To Max (Easy Version) brute force, constructive algorithms, greedy	1600	x5584
1264B	Beautiful Sequence brute force, constructive algorithms, greedy	1900	x5576
815A	Karen and Game brute force, greedy, implementation	1700	x5571
1812B	Was it Rated? special problem, special problem, *special problem, brute force, implementation		x5555
907A	Masha and Bears brute force, implementation	1300	x5549
887B	Cubes for Masha brute force, implementation	1300	x5526
1413C	Perform Easily binary search, brute force, dp, implementation, sortings, two pointers	1900	x5524
1822F	Gardening Friends brute force, dfs and similar, dp, graphs, trees	1700	x5518
1707B	Difference Array brute force, data structures, implementation, sortings	1900	x5516
1547F	Array Stabilization (GCD version) binary search, brute force, data structures, divide and conquer, number theory, two pointers	1900	x5474
279A	Point on Spiral brute force, geometry, implementation	1400	x5464
1015E1	Stars Drawing (Easy Edition) brute force, dp, greedy	1700	x5438
1379C	Choosing flowers binary search, brute force, data structures, dfs and similar, dp, greedy, sortings, two pointers	2000	x5395
354A	Vasya and Robot brute force, greedy, math	1500	x5384
552C	Vanya and Scales brute force, dp, greedy, math, meet-in-the-middle, number theory	1900	x5381
1561D1	Up the Strip (simplified version) brute force, data structures, dp, math, number theory	1700	x5376
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x5375
1033C	Permutation Game brute force, dp, games	1600	x5363
1118D1	Coffee and Coursework (Easy version) brute force, greedy	1700	x5346
1867D	Cyclic Operations brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	1800	x5292
1372D	Omkar and Circle brute force, dp, games, greedy	2100	x5284
1510K	King's Task brute force, graphs, implementation	1200	x5257
1735D	Meta-set brute force, combinatorics, data structures, hashing, math	1700	x5255
1744E2	Divisible Numbers (hard version) brute force, math, number theory	1900	x5235
1781D	Many Perfect Squares brute force, math, number theory	1800	x5214
961C	Chessboard bitmasks, brute force, implementation	1400	x5214
689A	Mike and Cellphone brute force, constructive algorithms, implementation	1400	x5183
579B	Finding Team Member brute force, implementation, sortings	1300	x5181
1543C	Need for Pink Slips bitmasks, brute force, dfs and similar, implementation, math, probabilities	1900	x5179
9B	Running Student brute force, geometry, implementation	1200	x5173
1132C	Painting the Fence brute force	1700	x5164
510D	Fox And Jumping bitmasks, brute force, dp, math	1900	x5162
1415D	XOR-gun bitmasks, brute force, constructive algorithms	2000	x5155
252A	Little Xor brute force, implementation	1100	x5154
27B	Tournament bitmasks, brute force, dfs and similar, greedy	1300	x5124
1922D	Berserk Monsters brute force, data structures, dsu, implementation, math	1900	x5122
1367E	Necklace Assembly brute force, dfs and similar, dp, graphs, greedy, number theory	1900	x5121
1210A	Anadi and Domino brute force, graphs	1700	x5115
299B	Ksusha the Squirrel brute force, implementation	900	x5112
578B	"Or" Game brute force, greedy	1700	x5109
812B	Sagheer, the Hausmeister bitmasks, brute force, dp	1600	x5068
1475F	Unusual Matrix 2-sat, brute force, constructive algorithms	1900	x5058
23A	You're Given a String... brute force, greedy	1200	x5058
1920D	Array Repetition binary search, brute force, dsu, implementation, math	1900	x5042
1903D1	Maximum And Queries (easy version) binary search, bitmasks, brute force, greedy	1700	x5009
568A	Primes or Palindromes? brute force, implementation, math, number theory	1600	x4998
1716D	Chip Move brute force, dp, math	2000	x4971
1228D	Complete Tripartite brute force, constructive algorithms, graphs, hashing, implementation	1900	x4963
1468K	The Robot brute force, implementation	1600	x4953
1371E1	Asterism (Easy Version) binary search, brute force, combinatorics, math, number theory, sortings	1900	x4947
1670D	Very Suspicious binary search, brute force, geometry, greedy, implementation, math	1700	x4938
845B	Luba And The Ticket brute force, greedy, implementation	1600	x4929
1391D	505 bitmasks, brute force, constructive algorithms, dp, greedy, implementation	2000	x4916
1213E	Two Small Strings brute force, constructive algorithms	1900	x4903
214B	Hometask brute force, constructive algorithms, greedy, math	1600	x4875
653B	Bear and Compressing brute force, dfs and similar, dp, strings	1300	x4867
1119E	Pavel and Triangles brute force, dp, fft, greedy, ternary search	1900	x4855
359D	Pair of Numbers binary search, brute force, data structures, math, two pointers	2000	x4809
1343E	Weights Distributing brute force, graphs, greedy, shortest paths, sortings	2100	x4800
1593D2	Half of Same brute force, math, number theory	1900	x4780
407A	Triangle brute force, geometry, implementation, math	1600	x4739
1493D	GCD of an Array brute force, data structures, hashing, implementation, math, number theory, sortings, two pointers	2100	x4729
1821D	Black Cells binary search, brute force, greedy, math	1900	x4728
526A	King of Thieves brute force, implementation	1300	x4724
1207F	Remainder Problem brute force, data structures, implementation	2100	x4709
1657D	For Gamers. By Gamers. binary search, brute force, greedy, math, sortings	2000	x4693
161A	Dress'em in Vests! binary search, brute force, greedy, two pointers	1300	x4672
1006F	Xor-Paths bitmasks, brute force, dp, meet-in-the-middle	2100	x4619
255C	Almost Arithmetical Progression brute force, dp	1500	x4617
305A	Strange Addition brute force, constructive algorithms, implementation	1600	x4605
1558B	Up the Strip brute force, dp, math, number theory, two pointers	1900	x4592
466B	Wonder Room brute force, math	2000	x4586
1830B	The BOSS Can Count Pairs brute force, math	2000	x4565
1579F	Array Stabilization (AND version) brute force, graphs, math, number theory, shortest paths	1700	x4560
317A	Perfect Pair brute force	1600	x4525
868C	Qualification Rounds bitmasks, brute force, constructive algorithms, dp	1500	x4520