Problemset - Codeforces

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Codeforces Round 1006 (Div. 3)
42:08:45
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Problems

#	Name
1396A	Multiples of Length constructive algorithms, greedy, number theory	1600	x15764
1395C	Boboniu and Bit Operations bitmasks, brute force, dp, greedy	1600	x14398
1395B	Boboniu Plays Chess constructive algorithms	1100	x16149
1395A	Boboniu Likes to Color Balls brute force, math	1000	x24497
1394E	Boboniu and Banknote Collection strings	3500	x153
1394D	Boboniu and Jianghu dp, greedy, sortings, trees	2800	x1062
1394C	Boboniu and String binary search, geometry, ternary search	2600	x1136
1394B	Boboniu Walks on Graph brute force, dfs and similar, graphs, hashing	2300	x2051
1394A	Boboniu Chats with Du dp, greedy, sortings, two pointers	1800	x6865
1393E2	Twilight and Ancient Scroll (harder version) dp, hashing, implementation, string suffix structures, strings, two pointers	3200	x386
1393E1	Twilight and Ancient Scroll (easier version) dp, hashing, implementation, string suffix structures, strings	2800	x396
1393D	Rarity and New Dress dfs and similar, dp, implementation, shortest paths	2100	x4042
1393C	Pinkie Pie Eats Patty-cakes constructive algorithms, greedy, math, sortings	1700	x10728
1393B	Applejack and Storages constructive algorithms, data structures, greedy, implementation	1400	x16908
1393A	Rainbow Dash, Fluttershy and Chess Coloring greedy, math	800	x20610
1392I	Kevin and Grid fft, graphs, math	3300	x210
1392H	ZS Shuffles Cards combinatorics, dp, math, probabilities	3000	x803
1392G	Omkar and Pies bitmasks, dfs and similar, dp, math, shortest paths	2900	x606
1392F	Omkar and Landslide binary search, constructive algorithms, data structures, greedy, math	2400	x2242
1392E	Omkar and Duck bitmasks, constructive algorithms, interactive, math	2100	x3597
1392D	Omkar and Bed Wars dp, greedy	1700	x9175
1392C	Omkar and Waterslide greedy, implementation	1200	x19043
1392B	Omkar and Infinity Clock implementation, math	800	x18571
1392A	Omkar and Password greedy, math	800	x20930
1391E	Pairs of Pairs constructive algorithms, dfs and similar, graphs, greedy, trees	2600	x1759
1391D	505 bitmasks, brute force, constructive algorithms, dp, greedy, implementation	2000	x5410
1391C	Cyclic Permutations combinatorics, dp, graphs, math	1500	x15234
1391B	Fix You brute force, greedy, implementation	800	x27987
1391A	Suborrays constructive algorithms, math	800	x24572
1389G	Directing Edges dfs and similar, dp, graphs, trees	2800	x405
1389F	Bicolored Segments data structures, dp, graph matchings, sortings	2600	x1078
1389E	Calendar Ambiguity math, number theory	2200	x3515
1389D	Segment Intersections brute force, greedy, implementation, math	2100	x4371
1389C	Good String brute force, dp, greedy, two pointers	1500	x19369
1389B	Array Walk brute force, dp, greedy	1600	x17444
1389A	LCM Problem constructive algorithms, greedy, math, number theory	800	x43454
1388E	Uncle Bogdan and Projections data structures, geometry, sortings	2700	x598
1388D	Captain Flint and Treasure data structures, dfs and similar, graphs, greedy, implementation, trees	2000	x6536
1388C	Uncle Bogdan and Country Happiness dfs and similar, greedy, math, trees	1800	x9883
1388B	Captain Flint and a Long Voyage greedy, math	1000	x22436
1388A	Captain Flint and Crew Recruitment brute force, greedy, math, number theory	800	x25126
1387C	Viruses *special problem, dp, shortest paths, string suffix structures	2900	x147
1387B2	Village (Maximum) *special problem, dfs and similar, trees	2500	x989
1387B1	Village (Minimum) *special problem, dp, greedy, trees	2100	x1570
1387A	Graph *special problem, binary search, dfs and similar, dp, math, ternary search	2100	x763
1386C	Joker *special problem, bitmasks, data structures, divide and conquer, dsu	2800	x579
1386B	Mixture *special problem, data structures, geometry, math, sortings	2900	x126
1386A	Colors *special problem, binary search, constructive algorithms, interactive	2700	x316
1385G	Columns Swaps 2-sat, dfs and similar, dsu, graphs, implementation	2300	x1591
1385F	Removing Leaves data structures, greedy, implementation, trees	2300	x2631
1385E	Directing Edges constructive algorithms, dfs and similar, graphs	2000	x7769
1385D	a-Good String bitmasks, brute force, divide and conquer, dp, implementation	1500	x19775
1385C	Make It Good greedy	1200	x27508
1385B	Restore the Permutation by Merger greedy	800	x37781
1385A	Three Pairwise Maximums math	800	x40198
1384B2	Koa and the Beach (Hard Version) constructive algorithms, dp, greedy, implementation	2200	x2523
1384B1	Koa and the Beach (Easy Version) brute force, dp, greedy	1900	x3961
1384A	Common Prefixes constructive algorithms, greedy, strings	1200	x18996
1383F	Special Edges flows, graphs	3200	x383
1383E	Strange Operation combinatorics, data structures, dp	2800	x909
1383D	Rearrange brute force, constructive algorithms, graphs, greedy, sortings	2800	x697
1383C	String Transformation 2 bitmasks, dp, graphs, trees	3100	x593
1383B	GameGame bitmasks, constructive algorithms, dp, games, greedy, math	1900	x5165
1383A	String Transformation 1 dsu, graphs, greedy, sortings, strings, trees, two pointers	1700	x10798
1382B	Sequential Nim dp, games	1100	x25011
1382A	Common Subsequence brute force	800	x26698
1381E	Origami geometry, math, sortings	3300	x271
1381D	The Majestic Brown Tree Snake dfs and similar, dp, greedy, trees, two pointers	3000	x729
1381C	Mastermind constructive algorithms, graph matchings, greedy, implementation, sortings, two pointers	2500	x1651
1381B	Unmerge dp	1800	x9074
1381A2	Prefix Flip (Hard Version) constructive algorithms, data structures, implementation, strings, two pointers	1700	x13532
1381A1	Prefix Flip (Easy Version) constructive algorithms, data structures, strings	1300	x20815
1380G	Circular Dungeon greedy, math, probabilities	2600	x836
1380F	Strange Addition data structures, dp, matrices	2600	x825
1380E	Merging Towers data structures, dsu, implementation, trees	2300	x2265
1380D	Berserk And Fireball constructive algorithms, greedy, implementation, math, two pointers	2000	x4762
1380C	Create The Teams brute force, dp, greedy, implementation, sortings	1400	x21219
1380B	Universal Solution greedy	1400	x14796
1380A	Three Indices brute force, data structures	900	x27962
1379F2	Chess Strikes Back (hard version) data structures, divide and conquer	2800	x520
1379F1	Chess Strikes Back (easy version) binary search, data structures	2700	x621
1379E	Inverse Genealogy constructive algorithms, divide and conquer, dp, math, trees	2800	x436
1379D	New Passenger Trams binary search, brute force, data structures, sortings, two pointers	2300	x1098
1379C	Choosing flowers binary search, brute force, data structures, dfs and similar, dp, greedy, sortings, two pointers	2000	x5693
1379B	Dubious Cyrpto binary search, brute force, math, number theory	1500	x12818
1379A	Acacius and String brute force, implementation, strings	1500	x12044
1375I	Cubic Lattice geometry, math, matrices, number theory	3500	x266
1375H	Set Merging constructive algorithms, divide and conquer	3300	x452
1375G	Tree Modification brute force, constructive algorithms, dfs and similar, graph matchings, graphs, trees	2800	x2005
1375F	Integer Game constructive algorithms, games, interactive, math	2600	x2304
1375E	Inversion SwapSort constructive algorithms, greedy, sortings	2500	x3137
1375D	Replace by MEX brute force, constructive algorithms, sortings	1900	x9422
1375C	Element Extermination constructive algorithms, data structures, greedy	1400	x21619
1375B	Neighbor Grid constructive algorithms, greedy	1200	x17417
1375A	Sign Flipping constructive algorithms, math	1100	x18488
1374F	Cyclic Shifts Sorting brute force, constructive algorithms, implementation, sortings	2400	x1323
1374E2	Reading Books (hard version) data structures, greedy, implementation, sortings, ternary search, two pointers	2500	x957
1374E1	Reading Books (easy version) data structures, greedy, sortings	1600	x14263
1374D	Zero Remainder Array math, sortings, two pointers	1400	x25027
1374C	Move Brackets greedy, strings	1000	x50103