Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 970 (Div. 3)
02:06:16
Register now »

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
67A	Partial Teacher dp, graphs, greedy, implementation	1800	x2104
66D	Petya and His Friends constructive algorithms, math, number theory	1700	x3136
66C	Petya and File System data structures, implementation	1800	x1014
65B	Harry Potter and the History of Magic brute force, greedy, implementation	1700	x1335
65A	Harry Potter and Three Spells implementation, math	1800	x1805
64E	Prime Segment *special problem, brute force, math, number theory	1800	x239
64D	Presents *special problem, greedy	1800	x286
64C	Table *special problem, greedy, implementation, math	1600	x335
64B	Expression *special problem, expression parsing	1500	x1010
63C	Bulls and Cows brute force, implementation	1700	x1668
62B	Tyndex.Brome binary search, implementation	1800	x1282
61D	Eternal Victory dfs and similar, graphs, greedy, shortest paths, trees	1800	x6481
60B	Serial Time! dfs and similar, dsu	1400	x4544
59C	Title expression parsing	1600	x2068
58C	Trees brute force	1800	x2013
57B	Martian Architecture implementation	1600	x1007
56C	Corporation Mail data structures, expression parsing, implementation	1700	x1146
55B	Smallest number brute force	1600	x2823
54B	Cutting Jigsaw Puzzle hashing, implementation	1800	x755
53D	Physical Education sortings	1500	x1992
53B	Blog Photo binary search, implementation	1700	x1395
52B	Right Triangles combinatorics	1600	x2022
51C	Three Base Stations binary search, greedy	1800	x1914
51B	bHTML Tables Analisys expression parsing	1700	x862
50B	Choosing Symbol Pairs strings	1500	x5637
49D	Game brute force, dp, implementation	1800	x1888
49C	Disposition constructive algorithms, math	1700	x1676
49B	Sum math	1500	x2455
48D	Permutations greedy	1500	x2486
48C	The Race math	1800	x774
46D	Parking Lot data structures, implementation	1800	x972
46C	Hamsters and Tigers two pointers	1600	x2400
45J	Planting Trees constructive algorithms	1800	x930
45I	TCMCF+++ greedy	1400	x2370
44H	Phone Number dp	1700	x1721
44E	Anfisa the Monkey dp	1400	x5029
44D	Hyperdrive math	1800	x706
44B	Cola implementation	1500	x1955
42B	Game of chess unfinished implementation	1700	x937
42A	Guilty --- to the kitchen! greedy, implementation	1400	x2817
41B	Martian Dollar brute force	1400	x3975
40B	Repaintings math	1600	x1151
39J	Spelling Check hashing, implementation, strings	1500	x2934
38E	Let's Go Rolling! dp, sortings	1800	x2562
38C	Blinds brute force	1400	x2144
37B	Computer Game greedy, implementation	1800	x887
36B	Fractal implementation	1600	x1471
35D	Animals dp, greedy	1700	x3277
35C	Fire Again brute force, dfs and similar, shortest paths	1500	x6721
35B	Warehouse implementation	1700	x1004
34D	Road Map dfs and similar, graphs	1600	x5059
33C	Wonderful Randomized Sum greedy	1800	x2970
33B	String Problem shortest paths	1800	x4427
32D	Constellation implementation	1600	x1270
32C	Flea math	1700	x2123
31C	Schedule implementation	1700	x1780
31B	Sysadmin Bob greedy, implementation, strings	1500	x4233
30C	Shooting Gallery dp, probabilities	1800	x1931
30B	Codeforces World Finals implementation	1700	x1175
30A	Accounting brute force, math	1400	x3430
29C	Mail Stamps data structures, dfs and similar, graphs, implementation	1700	x4822
29B	Traffic Lights implementation	1500	x2932
28B	pSort dfs and similar, dsu, graphs	1600	x4579
28A	Bender Problem implementation	1600	x787
26B	Regular Bracket Sequence greedy	1400	x18812
24C	Sequence of points geometry, implementation, math	1800	x1248
24B	F1 Champions implementation	1500	x1769
24A	Ring road graphs	1400	x5015
23B	Party constructive algorithms, graphs, math	1600	x3314
22C	System Administrator graphs	1700	x3064
22B	Bargaining Table brute force, dp	1500	x4185
20A	BerOS file system implementation	1700	x6128
19A	World Football Cup implementation	1400	x2726
18B	Platforms brute force, math	1700	x2120
18A	Triangle brute force, geometry	1500	x5942
17B	Hierarchy dfs and similar, dsu, greedy, shortest paths	1500	x4706
16C	Monitor binary search, number theory	1800	x4696
15B	Laser math	1800	x1452
14C	Four Segments brute force, constructive algorithms, geometry, implementation, math	1700	x3322
11B	Jumping Jack math	1600	x4643
10B	Cinema Cashier dp, implementation	1500	x1760
8B	Obsession with Robots constructive algorithms, graphs, implementation	1400	x4316
7C	Line math, number theory	1800	x4567
7B	Memory Manager implementation	1600	x2580
4D	Mysterious Present dp, sortings	1700	x10192
3C	Tic-tac-toe brute force, games, implementation	1800	x7267
2A	Winner hashing, implementation	1500	x26050
1B	Spreadsheet implementation, math	1600	x22417

→