Problemset - Codeforces

Problems

#	Name
1081D	Maximum Distance dsu, graphs, shortest paths, sortings	1800	x3875
1081C	Colorful Bricks combinatorics, dp, math	1500	x6998
1081B	Farewell Party constructive algorithms, implementation	1500	x4385
1081A	Definite Game constructive algorithms, math	800	x11880
1080F	Katya and Segments Sets data structures, interactive, sortings	2400	x669
1080E	Sonya and Matrix Beauty strings	2400	x886
1080D	Olya and magical square constructive algorithms, implementation, math	2000	x1519
1080C	Masha and two friends implementation	1500	x3986
1080B	Margarite and the best present math	900	x11476
1080A	Petya and Origami math	800	x17751
1078E	Negative Time Summation constructive algorithms	3400	x86
1077F2	Pictures with Kittens (hard version) data structures, dp	2100	x2865
1077F1	Pictures with Kittens (easy version) dp	1900	x3971
1077E	Thematic Contests greedy, sortings	1800	x4352
1077D	Cutting Out binary search, sortings	1600	x8298
1077C	Good Array	1300	x15244
1077B	Disturbed People greedy	1000	x18268
1077A	Frog Jumping math	800	x29025
1076G	Array Game data structures, games	3000	x452
1076F	Summer Practice Report dp, greedy	2500	x619
1076E	Vasya and a Tree data structures, trees	1900	x3607
1076D	Edge Deletion graphs, greedy, shortest paths	1800	x4889
1076C	Meme Problem binary search, math	1300	x12055
1076B	Divisor Subtraction implementation, math, number theory	1200	x12523
1076A	Minimizing the String greedy, strings	1200	x12826
1075B	Taxi drivers and Lyft implementation, sortings	1200	x4184
1075A	The King's Race implementation, math	800	x8326
1073G	Yet Another LCP Problem data structures, string suffix structures	2600	x861
1073F	Choosing Two Paths dfs and similar, dp, greedy, trees	2500	x518
1073E	Segment Sum bitmasks, combinatorics, dp, math	2300	x2375
1073D	Berland Fair binary search, brute force, data structures, greedy	1700	x6307
1073C	Vasya and Robot binary search, two pointers	1800	x4544
1073B	Vasya and Books implementation, math	1000	x10401
1073A	Diverse Substring implementation, strings	1000	x14854
1071E	Rain Protection binary search, geometry	3500	x90
1070M	Algoland and Berland constructive algorithms, divide and conquer, geometry	3000	x64
1070L	Odd Federalization constructive algorithms	2600	x280
1070K	Video Posts implementation	1100	x4826
1070J	Streets and Avenues in Berhattan dp	2300	x678
1070I	Privatization of Roads in Berland flows, graph matchings, graphs	2400	x532
1070H	BerOS File Suggestion brute force, implementation	1500	x3609
1070G	Monsters and Potions brute force, dp, greedy, implementation	2300	x814
1070F	Debate greedy	1500	x3569
1070E	Getting Deals Done binary search, data structures	2100	x1189
1070D	Garbage Disposal greedy	1300	x4847
1070C	Cloud Computing data structures, greedy	2000	x1995
1070B	Berkomnadzor data structures, greedy	2400	x469
1070A	Find a Number dp, graphs, number theory, shortest paths	2200	x2259
1068C	Colored Rooks constructive algorithms, graphs	1700	x3109
1068B	LCM math, number theory	1200	x11073
1068A	Birthday math	1400	x6624
1067E	Random Forest Rank dp, graph matchings, math, trees	2800	x421
1067D	Computer Game dp, greedy, math, probabilities	3100	x351
1067C	Knights constructive algorithms	2600	x610
1067B	Multihedgehog dfs and similar, graphs, shortest paths	1800	x2505
1067A	Array Without Local Maximums dp	1900	x2770
1066F	Yet another 2D Walking dp	2100	x1759
1066E	Binary Numbers AND Sum data structures, implementation, math	1700	x5992
1066D	Boxes Packing binary search, implementation	1800	x5291
1066C	Books Queries implementation	1400	x9367
1066B	Heaters greedy, two pointers	1500	x8058
1066A	Vova and Train math	1100	x14240
1065G	Fibonacci Suffix strings	2700	x239
1065F	Up and Down the Tree dfs and similar, dp, trees	2500	x1131
1065E	Side Transmutations combinatorics, strings	2300	x1017
1065D	Three Pieces dfs and similar, dp, shortest paths	2200	x1268
1065C	Make It Equal greedy	1600	x7644
1065B	Vasya and Isolated Vertices constructive algorithms, graphs	1300	x10752
1065A	Vasya and Chocolate implementation, math	800	x14538
1064B	Equations of Mathematical Magic math	1200	x7443
1064A	Make a triangle! brute force, geometry, math	800	x21655
1063F	String Journey data structures, dp, string suffix structures	3300	x797
1063E	Lasers and Mirrors constructive algorithms, math	3000	x330
1063D	Candies for Children brute force, math	2600	x418
1063C	Dwarves, Hats and Extrasensory Abilities binary search, constructive algorithms, geometry, interactive	1900	x2789
1063B	Labyrinth graphs, shortest paths	1800	x7046
1063A	Oh Those Palindromes constructive algorithms, strings	1300	x10207
1062F	Upgrading Cities dfs and similar, graphs	2900	x542
1062E	Company binary search, data structures, dfs and similar, greedy, trees	2300	x1703
1062D	Fun with Integers dfs and similar, graphs, implementation, math	1800	x3862
1062C	Banh-mi greedy, implementation, math	1600	x5307
1062B	Math greedy, math, number theory	1500	x8391
1062A	A Prank greedy, implementation	1300	x8651
1061F	Lost Root interactive, probabilities	2400	x682
1061E	Politics flows, graphs	2600	x511
1061D	TV Shows data structures, greedy, implementation, sortings	2000	x2292
1061C	Multiplicity data structures, dp, implementation, math, number theory	1700	x8333
1061B	Views Matter greedy, implementation, sortings	1400	x7213
1061A	Coins greedy, implementation, math	800	x21292
1060H	Sophisticated Device constructive algorithms	3300	x210
1060G	Balls and Pockets data structures	3400	x134
1060F	Shrinking Tree combinatorics, dp	2900	x528
1060E	Sergey and Subway dfs and similar, dp, trees	2000	x2972
1060D	Social Circles greedy, math	1900	x3557
1060C	Maximum Subrectangle binary search, implementation, two pointers	1600	x4800
1060B	Maximum Sum of Digits greedy	1100	x8772
1060A	Phone Numbers brute force	800	x13687
1059E	Split the Tree binary search, data structures, dp, greedy, trees	2400	x1351
1059D	Nature Reserve binary search, geometry, ternary search	2200	x2541
1059C	Sequence Transformation constructive algorithms, math	1600	x6970

→ Pay attention

Before contest
Educational Codeforces Round 165 (Rated for Div. 2)
21:43:23
Register now »

→ Filter Problems

Difficulty: —

Add tag