Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 940 (Div. 2) and CodeCraft-23
39:56:41
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
269B	Greenhouse Effect dp	1700	x6103
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6056
1881F	Minimum Maximum Distance dfs and similar, dp, graphs, shortest paths, trees	1700	x5909
106C	Buns dp	1700	x5675
798C	Mike and gcd problem dp, greedy, number theory	1700	x5573
1822F	Gardening Friends brute force, dfs and similar, dp, graphs, trees	1700	x5501
1015E1	Stars Drawing (Easy Edition) brute force, dp, greedy	1700	x5434
1561D1	Up the Strip (simplified version) brute force, data structures, dp, math, number theory	1700	x5375
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x5360
1202B	You Are Given a Decimal String... brute force, dp, shortest paths	1700	x4351
294B	Shaass and Bookshelf dp, greedy	1700	x4346
718A	Efim and Strange Grade dp, implementation, math	1700	x4316
766C	Mahmoud and a Message brute force, dp, greedy, strings	1700	x4311
685A	Robbers' watch brute force, combinatorics, dp, math	1700	x4141
627A	XOR Equation dp, math	1700	x3941
1032C	Playing Piano constructive algorithms, dp	1700	x3884
924C	Riverside Curio data structures, dp, greedy	1700	x3671
283B	Cow Program dfs and similar, dp, graphs	1700	x3604
1580A	Portal brute force, data structures, dp, greedy, implementation	1700	x3537
917B	MADMAX dfs and similar, dp, games, graphs	1700	x3475
35D	Animals dp, greedy	1700	x3120
201A	Clear Symmetry constructive algorithms, dp, math	1700	x2959
163A	Substring and Subsequence dp	1700	x2612
101B	Buses binary search, data structures, dp	1700	x2484
76D	Plus and xor dp, greedy, math	1700	x1985
176B	Word Cut dp	1700	x1697
44H	Phone Number dp	1700	x1669
524B	Фото на память - 2 (round version) dp, greedy	1700	x1444
1346E	Magic Tricks *special problem, dp, graphs	1700	x368
1571E	Fix the String *special problem, bitmasks, dp, greedy	1700	x319
161D	Distance in Tree dfs and similar, dp, trees	1800	x13466
1328D	Carousel constructive algorithms, dp, graphs, greedy, math	1800	x12475
1509C	The Sports Festival dp, greedy	1800	x11725
1398D	Colored Rectangles dp, greedy, sortings	1800	x10956
1437C	Chef Monocarp dp, flows, graph matchings, greedy, math, sortings	1800	x10061
1475D	Cleaning the Phone binary search, dp, sortings, two pointers	1800	x9680
1525D	Armchairs dp, flows, graph matchings, greedy	1800	x9336
580D	Kefa and Dishes bitmasks, dp	1800	x9086
1324F	Maximum White Subtree dfs and similar, dp, graphs, trees	1800	x8951
1401D	Maximum Distributed Tree dfs and similar, dp, greedy, implementation, math, number theory, sortings, trees	1800	x8833
1221D	Make The Fence Great Again dp	1800	x8588
1442A	Extreme Subtraction constructive algorithms, dp, greedy	1800	x8531
1572A	Book binary search, brute force, data structures, dp, graphs, implementation, sortings	1800	x8495
1327E	Count The Blocks combinatorics, dp, math	1800	x8484
1381B	Unmerge dp	1800	x8475
1286A	Garland dp, greedy, sortings	1800	x8374
1038D	Slime dp, greedy, implementation	1800	x8103
1335E2	Three Blocks Palindrome (hard version) brute force, data structures, dp, two pointers	1800	x7929
543A	Writing Code dp	1800	x7660
1096D	Easy Problem dp	1800	x7659
1409E	Two Platforms binary search, dp, sortings, two pointers	1800	x7527
1446B	Catching Cheaters dp, strings	1800	x7506
1535D	Playoff Tournament data structures, dfs and similar, dp, implementation, trees	1800	x7459
1637D	Yet Another Minimization Problem dp, greedy, math	1800	x7337
1517D	Explorer Space dp, graphs, shortest paths	1800	x7286
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7252
1841C	Ranom Numbers brute force, dp, greedy, math, strings	1800	x7233
1244D	Paint the Tree brute force, constructive algorithms, dp, graphs, implementation, trees	1800	x7208
1296E1	String Coloring (easy version) constructive algorithms, dp, graphs, greedy, sortings	1800	x7064
1935C	Messenger in MAC binary search, brute force, constructive algorithms, data structures, dp, greedy, sortings	1800	x6942
1491D	Zookeeper and The Infinite Zoo bitmasks, constructive algorithms, dp, greedy, math	1800	x6849
1728D	Letter Picking constructive algorithms, dp, games, two pointers	1800	x6804
148D	Bag of mice dp, games, math, probabilities	1800	x6689
1552D	Array Differentiation bitmasks, brute force, constructive algorithms, dfs and similar, dp, graphs, math	1800	x6671
830A	Office Keys binary search, brute force, dp, greedy, sortings	1800	x6527
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6476
1394A	Boboniu Chats with Du dp, greedy, sortings, two pointers	1800	x6430
1678B2	Tokitsukaze and Good 01-String (hard version) dp, greedy, implementation	1800	x6373
1620C	BA-String brute force, dp, greedy, implementation, math	1800	x6330
519D	A and B and Interesting Substrings data structures, dp, two pointers	1800	x6263
1283E	New Year Parties dp, greedy	1800	x6254
1861D	Sorting By Multiplication dp, greedy	1800	x6183
1805D	A Wide, Wide Graph dfs and similar, dp, graphs, greedy, trees	1800	x5994
1734D	Slime Escape data structures, dp, greedy, two pointers	1800	x5990
1635D	Infinite Set bitmasks, dp, math, matrices, number theory, strings	1800	x5973
245H	Queries for Number of Palindromes dp, hashing, strings	1800	x5904
1793D	Moscow Gorillas binary search, dp, greedy, implementation, math, two pointers	1800	x5721
1720D1	Xor-Subsequence (easy version) bitmasks, brute force, dp, strings, trees, two pointers	1800	x5696
721C	Journey dp, graphs	1800	x5656
1862F	Magic Will Save the World binary search, bitmasks, brute force, dp	1800	x5585
1718A1	Burenka and Traditions (easy version) dp, greedy	1800	x5455
1582F1	Korney Korneevich and XOR (easy version) bitmasks, dp, greedy	1800	x5225
983B	XOR-pyramid dp	1800	x5200
1083A	The Fair Nut and the Best Path data structures, dp, trees	1800	x5177
1955F	Unfair Game dp, games, greedy, math, schedules	1800	x5060
1133E	K Balanced Teams dp, sortings, two pointers	1800	x5054
1675F	Vlad and Unfinished Business dfs and similar, dp, greedy, trees	1800	x4981
1843F1	Omsk Metro (simple version) data structures, dfs and similar, dp, graphs, greedy, math, trees	1800	x4930
274B	Zero Tree dfs and similar, dp, greedy, trees	1800	x4880
1833G	Ksyusha and Chinchilla constructive algorithms, dfs and similar, dp, dsu, greedy, implementation, trees	1800	x4875
1856E1	PermuTree (easy version) dfs and similar, dp, trees	1800	x4854
933A	A Twisty Movement dp	1800	x4814
909C	Python Indentation dp	1800	x4738
527D	Clique Problem data structures, dp, greedy, implementation, sortings	1800	x4640
869C	The Intriguing Obsession combinatorics, dp, math	1800	x4346
946D	Timetable dp	1800	x4254
743D	Chloe and pleasant prizes dfs and similar, dp, graphs, trees	1800	x4242
671A	Recycling Bottles dp, geometry, greedy, implementation	1800	x4104
1954D	Colored Balls combinatorics, dp, math, sortings	1800	x4102
1740E	Hanging Hearts constructive algorithms, data structures, dfs and similar, dp, greedy, trees	1800	x4089