Problemset - Codeforces

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Problems

#	Name
67B	Restoration of the Permutation greedy	1800	x759
67A	Partial Teacher dp, graphs, greedy, implementation	1800	x2091
66D	Petya and His Friends constructive algorithms, math, number theory	1700	x3101
66C	Petya and File System data structures, implementation	1800	x1005
66A	Petya and Java implementation, strings	1300	x6294
65B	Harry Potter and the History of Magic brute force, greedy, implementation	1700	x1330
65A	Harry Potter and Three Spells implementation, math	1800	x1796
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	x1006
64A	Factorial *special problem, implementation	1300	x2751
63D	Dividing Island constructive algorithms	1900	x1243
63C	Bulls and Cows brute force, implementation	1700	x1657
62B	Tyndex.Brome binary search, implementation	1800	x1279
62A	A Student's Dream greedy, math	1300	x3411
61E	Enemy is weak data structures, trees	1900	x10566
61D	Eternal Victory dfs and similar, graphs, greedy, shortest paths, trees	1800	x6394
61B	Hard Work strings	1300	x3822
60B	Serial Time! dfs and similar, dsu	1400	x4526
60A	Where Are My Flakes? implementation, two pointers	1300	x3571
59C	Title expression parsing	1600	x2048
58C	Trees brute force	1800	x1995
58B	Coins greedy	1300	x12040
57C	Array combinatorics, math	1900	x2452
57B	Martian Architecture implementation	1600	x998
57A	Square Earth? dfs and similar, greedy, implementation	1300	x2846
56C	Corporation Mail data structures, expression parsing, implementation	1700	x1134
56B	Spoilt Permutation implementation	1300	x3674
55C	Pie or die games	1900	x1608
55B	Smallest number brute force	1600	x2777
54B	Cutting Jigsaw Puzzle hashing, implementation	1800	x750
54A	Presents implementation	1300	x2040
53D	Physical Education sortings	1500	x1977
53B	Blog Photo binary search, implementation	1700	x1388
52B	Right Triangles combinatorics	1600	x2005
51C	Three Base Stations binary search, greedy	1800	x1876
51B	bHTML Tables Analisys expression parsing	1700	x854
51A	Cheaterius's Problem implementation	1300	x1798
50B	Choosing Symbol Pairs strings	1500	x5604
49D	Game brute force, dp, implementation	1800	x1871
49C	Disposition constructive algorithms, math	1700	x1666
49B	Sum math	1500	x2434
48D	Permutations greedy	1500	x2445
48C	The Race math	1800	x765
46E	Comb data structures, dp	1900	x934
46D	Parking Lot data structures, implementation	1800	x966
46C	Hamsters and Tigers two pointers	1600	x2349
45J	Planting Trees constructive algorithms	1800	x924
45I	TCMCF+++ greedy	1400	x2343
45D	Event Dates greedy, meet-in-the-middle, sortings	1900	x1657
45C	Dancing Lessons data structures	1900	x876
44H	Phone Number dp	1700	x1706
44E	Anfisa the Monkey dp	1400	x4977
44D	Hyperdrive math	1800	x702
44C	Holidays implementation	1300	x3278
44B	Cola implementation	1500	x1936
43C	Lucky Tickets greedy	1300	x4212
42B	Game of chess unfinished implementation	1700	x930
42A	Guilty --- to the kitchen! greedy, implementation	1400	x2797
41E	3-cycles constructive algorithms, graphs, greedy	1900	x1926
41D	Pawn dp	1900	x2271
41C	Email address expression parsing, implementation	1300	x3695
41B	Martian Dollar brute force	1400	x3938
40B	Repaintings math	1600	x1135
40A	Find Color constructive algorithms, geometry, implementation, math	1300	x3948
39J	Spelling Check hashing, implementation, strings	1500	x2896
39H	Multiplication Table implementation	1300	x2662
39F	Pacifist frogs implementation	1300	x1524
39B	Company Income Growth greedy	1300	x2602
38E	Let's Go Rolling! dp, sortings	1800	x2533
38D	Vasya the Architect implementation	1900	x483
38C	Blinds brute force	1400	x2119
37C	Old Berland Language data structures, greedy, trees	1900	x1627
37B	Computer Game greedy, implementation	1800	x873
36B	Fractal implementation	1600	x1454
36A	Extra-terrestrial Intelligence implementation	1300	x2950
35D	Animals dp, greedy	1700	x3234
35C	Fire Again brute force, dfs and similar, shortest paths	1500	x6634
35B	Warehouse implementation	1700	x999
34D	Road Map dfs and similar, graphs	1600	x4972
34C	Page Numbers expression parsing, implementation, sortings, strings	1300	x4143
33C	Wonderful Randomized Sum greedy	1800	x2941
33B	String Problem shortest paths	1800	x4317
32D	Constellation implementation	1600	x1257
32C	Flea math	1700	x2103
31C	Schedule implementation	1700	x1766
31B	Sysadmin Bob greedy, implementation, strings	1500	x4197
30C	Shooting Gallery dp, probabilities	1800	x1908
30B	Codeforces World Finals implementation	1700	x1167
30A	Accounting brute force, math	1400	x3394
29C	Mail Stamps data structures, dfs and similar, graphs, implementation	1700	x4746
29B	Traffic Lights implementation	1500	x2906
28B	pSort dfs and similar, dsu, graphs	1600	x4514
28A	Bender Problem implementation	1600	x779
27C	Unordered Subsequence constructive algorithms, greedy	1900	x2743
27B	Tournament bitmasks, brute force, dfs and similar, greedy	1300	x5275
26B	Regular Bracket Sequence greedy	1400	x18423
25D	Roads not only in Berland dsu, graphs, trees	1900	x10813
25C	Roads in Berland graphs, shortest paths	1900	x6040