Problemset - Codeforces

→ Pay attention

Before contest
Codeforces Round 1006 (Div. 3)
4 days

→ Filter Problems

Difficulty: —

Add tag

Problems

#	Name
74D	Hanger data structures	2400	x374
74C	Chessboard Billiard dfs and similar, dsu, graphs, number theory	2100	x1309
74B	Train dp, games, greedy	1500	x1565
74A	Room Leader implementation	1000	x5289
73F	Plane of Tanks brute force, geometry	2900	x82
73E	Morrowindows math, number theory	2400	x369
73D	FreeDiv dfs and similar, graphs, greedy	2200	x649
73C	LionAge II dp	1800	x2159
73B	Need For Brake binary search, greedy, sortings	2000	x511
73A	The Elder Trolls IV: Oblivon greedy, math	1600	x1392
72I	Goofy Numbers *special problem, implementation	1500	x469
72H	Reverse It! *special problem, implementation	1600	x270
72G	Fibonacci army *special problem, dp	1000	x2391
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
72C	Extraordinarily Nice Numbers *special problem, math	1200	x954
72B	INI-file *special problem, implementation	2200	x110
72A	Goshtasp, Vishtasp and Eidi *special problem, greedy, math	1800	x188
71E	Nuclear Fusion bitmasks, dp	2200	x767
71D	Solitaire brute force, implementation	2200	x664
71C	Round Table Knights dp, math, number theory	1600	x6761
71B	Progress Bar implementation, math	1300	x4668
71A	Way Too Long Words strings	800	x412062
70E	Information Reform dp, implementation, trees	2700	x534
70D	Professor's task data structures, geometry	2700	x1013
70C	Lucky Tickets binary search, data structures, sortings, two pointers	2200	x586
70B	Text Messaging expression parsing, greedy, strings	1600	x1797
70A	Cookies math	1300	x3333
69E	Subsegments data structures, implementation	1800	x4501
69D	Dot dp, games	1900	x1020
69C	Game implementation	2000	x597
69B	Bets greedy, implementation	1200	x3316
69A	Young Physicist implementation, math	1000	x175063
68E	Contact geometry	2900	x73
68D	Half-decay tree data structures, divide and conquer, dp, math, probabilities	2500	x484
68C	Synchrophasotron brute force	2200	x313
68B	Energy exchange binary search	1600	x4837
68A	Irrational problem implementation, number theory	1100	x5024
67E	Save the City! geometry	2500	x319
67D	Optical Experiment binary search, data structures, dp	1900	x1534
67C	Sequence of Balls dp	2600	x693
67B	Restoration of the Permutation greedy	1800	x786
67A	Partial Teacher dp, graphs, greedy, implementation	1800	x2152
66E	Petya and Post data structures, dp	2000	x777
66D	Petya and His Friends constructive algorithms, math, number theory	1700	x3224
66C	Petya and File System data structures, implementation	1800	x1088
66B	Petya and Countryside brute force, implementation	1100	x21081
66A	Petya and Java implementation, strings	1300	x6552
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	x813
65B	Harry Potter and the History of Magic brute force, greedy, implementation	1700	x1397
65A	Harry Potter and Three Spells implementation, math	1800	x1833
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	x185
64E	Prime Segment *special problem, brute force, math, number theory	1800	x252
64D	Presents *special problem, greedy	1800	x293
64C	Table *special problem, greedy, implementation, math	1600	x343
64B	Expression *special problem, expression parsing	1500	x1031
64A	Factorial *special problem, implementation	1300	x3353
63E	Sweets Game bitmasks, dfs and similar, dp, games, implementation	2000	x777
63D	Dividing Island constructive algorithms	1900	x1278
63C	Bulls and Cows brute force, implementation	1700	x1759
63B	Settlers' Training implementation	1200	x4910
63A	Sinking Ship implementation, sortings, strings	900	x11983
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	x1300
62A	A Student's Dream greedy, math	1300	x3489
61E	Enemy is weak data structures, trees	1900	x11907
61D	Eternal Victory dfs and similar, graphs, greedy, shortest paths, trees	1800	x6749
61C	Capture Valerian math	2000	x728
61B	Hard Work strings	1300	x3914
61A	Ultra-Fast Mathematician implementation	800	x117364
60E	Mushroom Gnomes math, matrices	2600	x329
60D	Savior brute force, dsu, math	2500	x475
60C	Mushroom Strife brute force, dfs and similar	2100	x586
60B	Serial Time! dfs and similar, dsu	1400	x4822
60A	Where Are My Flakes? implementation, two pointers	1300	x3706
59E	Shortest Path graphs, shortest paths	2000	x3726
59D	Team Arrangement constructive algorithms, greedy, implementation	2000	x650
59C	Title expression parsing	1600	x2146
59B	Fortune Telling implementation, number theory	1200	x7175
59A	Word implementation, strings	800	x188957
58E	Expression dp	2400	x412
58D	Calendar greedy, strings	2000	x741
58C	Trees brute force	1800	x2060
58B	Coins greedy	1300	x12417
58A	Chat room greedy, strings	1000	x136674
57E	Chess math, shortest paths	3000	x265
57D	Journey dp, math	2500	x346
57C	Array combinatorics, math	1900	x2866
57B	Martian Architecture implementation	1600	x1032
57A	Square Earth? dfs and similar, greedy, implementation	1300	x2955
56E	Domino Principle binary search, data structures, sortings	2200	x2481
56D	Changing a String dp	2100	x1723