Problemset - Codeforces

→ Pay attention

Contest is running
2023 Post World Finals Online ICPC Challenge powered by Huawei
10 days
Register now »

Before contest
Codeforces Round 944 (Div. 4)
03:13:37
Register now »

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
711B	Chris and Magic Square constructive algorithms, implementation	1400	x8349
711A	Bus to Udayland brute force, implementation	800	x28819
710F	String Set Queries brute force, data structures, hashing, interactive, string suffix structures, strings	2400	x1672
710E	Generate a String dfs and similar, dp	2000	x4972
710D	Two Arithmetic Progressions math, number theory	2500	x1158
710C	Magic Odd Square constructive algorithms, math	1500	x4985
710B	Optimal Point on a Line brute force, sortings	1400	x8528
710A	King Moves implementation	800	x13539
709B	Checkpoints greedy, implementation, sortings	1500	x4702
709A	Juicer implementation	900	x30050
708E	Student's Camp dp, math	3100	x930
708D	Incorrect Flow flows	2900	x698
708C	Centroids data structures, dfs and similar, dp, graphs, greedy, trees	2300	x2988
708B	Recover the String constructive algorithms, greedy, implementation, math	1900	x3196
708A	Letters Cyclic Shift constructive algorithms, greedy, implementation, strings	1200	x8858
707E	Garlands data structures	2400	x1003
707D	Persistent Bookcase bitmasks, data structures, dfs and similar, implementation	2200	x2598
707C	Pythagorean Triples math, number theory	1500	x12304
707B	Bakery graphs	1300	x12762
707A	Brain's Photos implementation	800	x46285
706E	Working routine data structures, implementation	2500	x1117
706D	Vasiliy's Multiset binary search, bitmasks, data structures, trees	1800	x9284
706C	Hard problem dp, strings	1600	x15637
706B	Interesting drink binary search, dp, implementation	1100	x58448
706A	Beru-taxi brute force, geometry, implementation	900	x14256
705B	Spider Man games, math	1100	x9043
705A	Hulk implementation	800	x99522
704E	Iron Man data structures, geometry, trees	3300	x272
704D	Captain America flows, greedy	3100	x776
704C	Black Widow dp, graphs, implementation, math	2900	x457
704B	Ant Man dp, graphs, greedy	2500	x1563
704A	Thor brute force, data structures, implementation	1600	x8938
703E	Mishka and Divisors dp, number theory	2600	x585
703D	Mishka and Interesting sum data structures	2100	x3327
703C	Chris and Road geometry, implementation	2100	x1584
703B	Mishka and trip implementation, math	1400	x5629
703A	Mishka and Game implementation	800	x53593
702F	T-Shirts data structures	2800	x1178
702E	Analysis of Pathes in Functional Graph data structures, graphs	2100	x2270
702D	Road to Post Office math	1900	x3248
702C	Cellular Network binary search, implementation, two pointers	1500	x13154
702B	Powers of Two brute force, data structures, implementation, math	1500	x11303
702A	Maximum Increase dp, greedy, implementation	800	x41515
701C	They Are Everywhere binary search, strings, two pointers	1500	x13766
701B	Cells Not Under Attack data structures, math	1200	x11578
701A	Cards greedy, implementation	800	x18871
700E	Cool Slogans string suffix structures, strings	3300	x1125
700D	Huffman Coding on Segment data structures, greedy	3100	x452
700C	Break Up dfs and similar, graphs	2600	x1220
700B	Connecting Universities dfs and similar, dp, graphs, trees	1800	x3775
700A	As Fast As Possible binary search, math	1900	x3143
699B	One Bomb implementation	1400	x7508
699A	Launch of Collider implementation	1000	x15186
698F	Coprime Permutation combinatorics, number theory	3000	x431
698E	Cron	2800	x113
698D	Limak and Shooting Points brute force, geometry, math	2600	x503
698C	LRU bitmasks, dp, math, probabilities	2400	x1279
698B	Fix a Tree constructive algorithms, dfs and similar, dsu, graphs, trees	1700	x5609
698A	Vacations dp	1400	x28472
697B	Barnicle brute force, implementation, math, strings	1400	x5666
697A	Pineapple Incident implementation, math	900	x12580
696F	...Dary! binary search, geometry, two pointers	3300	x119
696E	...Wait for it... data structures, dsu, trees	3000	x484
696D	Legen... data structures, dp, matrices, strings	2500	x1235
696C	PLEASE combinatorics, dp, implementation, math, matrices	2000	x2049
696B	Puzzles dfs and similar, math, probabilities, trees	1700	x3383
696A	Lorenzo Von Matterhorn brute force, data structures, implementation, trees	1500	x5984
691F	Couple Cover brute force, dp, number theory	2200	x1246
691E	Xor-sequences matrices	1900	x2369
691D	Swaps in Permutation dfs and similar, dsu, math	1700	x5296
691C	Exponential notation implementation, strings	1800	x2482
691B	s-palindrome implementation, strings	1600	x4723
691A	Fashion in Berland implementation	1000	x9896
690F3	Tree of Life (hard) trees	3200	x45
690F2	Tree of Life (medium) constructive algorithms, hashing, trees	2700	x78
690F1	Tree of Life (easy)	1300	x2112
690E2	Photographs (II)	2600	x141
690E1	Photographs (I)	1800	x666
690D3	The Wall (hard) dp	2100	x490
690D2	The Wall (medium) combinatorics	1800	x1210
690D1	The Wall (easy)	1200	x2554
690C3	Brain Network (hard) trees	2200	x883
690C2	Brain Network (medium) dfs and similar, graphs, trees	1500	x3581
690C1	Brain Network (easy)	1300	x2686
690B3	Recover Polygon (hard) data structures	2600	x90
690B2	Recover Polygon (medium) geometry	2600	x195
690B1	Recover Polygon (easy)	1700	x925
690A3	Collective Mindsets (hard)	2400	x516
690A2	Collective Mindsets (medium)	2300	x686
690A1	Collective Mindsets (easy)	1100	x2771
689E	Mike and Geometry Problem combinatorics, data structures, dp, geometry, implementation	2000	x1808
689D	Friends and Subsequences binary search, data structures	2100	x3063
689C	Mike and Chocolate Thieves binary search, combinatorics, math	1700	x4884
689B	Mike and Shortcuts dfs and similar, graphs, greedy, shortest paths	1600	x5604
689A	Mike and Cellphone brute force, constructive algorithms, implementation	1400	x5187
688B	Lovely Palindromes constructive algorithms, math	1000	x30242
688A	Opponents implementation	800	x13708
687E	TOF dfs and similar, graphs	2900	x310
687D	Dividing Kingdom II brute force, data structures, dsu, graphs, sortings	2500	x854
687C	The Values You Can Make dp	1900	x4951