Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 1002 (Div. 2)
46:41:09
Register now »

*has extra registration

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
73C	LionAge II dp	1800	x2154
73B	Need For Brake binary search, greedy, sortings	2000	x511
73A	The Elder Trolls IV: Oblivon greedy, math	1600	x1390
72I	Goofy Numbers *special problem, implementation	1500	x468
72H	Reverse It! *special problem, implementation	1600	x269
72F	Oil *special problem, greedy, math	1900	x121
72E	Ali goes shopping *special problem, brute force, strings	1800	x174
72D	Perse-script *special problem, expression parsing	2300	x77
72B	INI-file *special problem, implementation	2200	x109
72A	Goshtasp, Vishtasp and Eidi *special problem, greedy, math	1800	x188
71E	Nuclear Fusion bitmasks, dp	2200	x763
71D	Solitaire brute force, implementation	2200	x662
71C	Round Table Knights dp, math, number theory	1600	x6716
70E	Information Reform dp, implementation, trees	2700	x520
70D	Professor's task data structures, geometry	2700	x1012
70C	Lucky Tickets binary search, data structures, sortings, two pointers	2200	x585
70B	Text Messaging expression parsing, greedy, strings	1600	x1793
69E	Subsegments data structures, implementation	1800	x4479
69D	Dot dp, games	1900	x1019
69C	Game implementation	2000	x596
68E	Contact geometry	2900	x72
68D	Half-decay tree data structures, divide and conquer, dp, math, probabilities	2500	x483
68C	Synchrophasotron brute force	2200	x313
68B	Energy exchange binary search	1600	x4795
67E	Save the City! geometry	2500	x319
67D	Optical Experiment binary search, data structures, dp	1900	x1507
67C	Sequence of Balls dp	2600	x691
67B	Restoration of the Permutation greedy	1800	x781
67A	Partial Teacher dp, graphs, greedy, implementation	1800	x2149
66E	Petya and Post data structures, dp	2000	x773
66D	Petya and His Friends constructive algorithms, math, number theory	1700	x3218
66C	Petya and File System data structures, implementation	1800	x1087
65E	Harry Potter and Moving Staircases dfs and similar, implementation	2900	x94
65D	Harry Potter and the Sorting Hat brute force, dfs and similar, hashing	2200	x439
65C	Harry Potter and the Golden Snitch binary search, geometry	2100	x811
65B	Harry Potter and the History of Magic brute force, greedy, implementation	1700	x1396
65A	Harry Potter and Three Spells implementation, math	1800	x1830
64I	Sort the Table *special problem, sortings	2400	x91
64H	Table Bowling *special problem, sortings	2300	x117
64G	Path Canonization *special problem	2200	x123
64F	Domain *special problem, expression parsing	2000	x184
64E	Prime Segment *special problem, brute force, math, number theory	1800	x250
64D	Presents *special problem, greedy	1800	x293
64C	Table *special problem, greedy, implementation, math	1600	x342
64B	Expression *special problem, expression parsing	1500	x1029
63E	Sweets Game bitmasks, dfs and similar, dp, games, implementation	2000	x775
63D	Dividing Island constructive algorithms	1900	x1277
63C	Bulls and Cows brute force, implementation	1700	x1756
62E	World Evil dp, flows	2700	x237
62D	Wormhouse dfs and similar, graphs	2300	x376
62C	Inquisition geometry, implementation, sortings	2300	x254
62B	Tyndex.Brome binary search, implementation	1800	x1299
61E	Enemy is weak data structures, trees	1900	x11739
61D	Eternal Victory dfs and similar, graphs, greedy, shortest paths, trees	1800	x6710
61C	Capture Valerian math	2000	x724
60E	Mushroom Gnomes math, matrices	2600	x329
60D	Savior brute force, dsu, math	2500	x464
60C	Mushroom Strife brute force, dfs and similar	2100	x582
60B	Serial Time! dfs and similar, dsu	1400	x4758
59E	Shortest Path graphs, shortest paths	2000	x3679
59D	Team Arrangement constructive algorithms, greedy, implementation	2000	x646
59C	Title expression parsing	1600	x2139
58E	Expression dp	2400	x410
58D	Calendar greedy, strings	2000	x740
58C	Trees brute force	1800	x2052
57E	Chess math, shortest paths	3000	x264
57D	Journey dp, math	2500	x346
57C	Array combinatorics, math	1900	x2829
57B	Martian Architecture implementation	1600	x1028
56E	Domino Principle binary search, data structures, sortings	2200	x2465
56D	Changing a String dp	2100	x1694
56C	Corporation Mail data structures, expression parsing, implementation	1700	x1178
55E	Very simple problem geometry, two pointers	2500	x715
55D	Beautiful numbers dp, number theory	2500	x3997
55C	Pie or die games	1900	x1670
55B	Smallest number brute force	1600	x2934
54E	Vacuum Сleaner geometry	2700	x195
54D	Writing a Song brute force, dp, strings	2100	x563
54C	First Digit Law dp, math, probabilities	2000	x1363
54B	Cutting Jigsaw Puzzle hashing, implementation	1800	x797
53E	Dead Ends bitmasks, dp	2500	x1030
53D	Physical Education sortings	1500	x2070
53B	Blog Photo binary search, implementation	1700	x1422
52C	Circular RMQ data structures	2200	x9370
52B	Right Triangles combinatorics	1600	x2106
51F	Caterpillar dfs and similar, dp, graphs, trees	2800	x658
51E	Pentagon combinatorics, graphs, matrices	2400	x414
51D	Geometrical problem implementation	2200	x502
51C	Three Base Stations binary search, greedy	1800	x2136
51B	bHTML Tables Analisys expression parsing	1700	x878
50E	Square Equation Roots math	2300	x368
50D	Bombing binary search, dp, probabilities	2100	x646
50C	Happy Farm 5 geometry	2000	x789
50B	Choosing Symbol Pairs strings	1500	x5776
49E	Common ancestor dp	2300	x683
49D	Game brute force, dp, implementation	1800	x1936
49C	Disposition constructive algorithms, math	1700	x1713
49B	Sum math	1500	x2515
48H	Black and White constructive algorithms	2800	x153
48G	Galaxy Union dp, trees, two pointers	2700	x278