Problemset - Codeforces

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Codeforces Round 1134 (Div. 4)
5 days
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Problems

#	Name
1400A	String Similarity constructive algorithms, strings	800	x28173
1399F	Yet Another Segments Subset data structures, dp, graphs, sortings	2300	x1973
1399E2	Weights Division (hard version) binary search, dfs and similar, greedy, sortings, trees, two pointers	2200	x2641
1399E1	Weights Division (easy version) data structures, dfs and similar, greedy, trees	2000	x6523
1399D	Binary String To Subsequences constructive algorithms, data structures, greedy, implementation	1500	x20295
1399C	Boats Competition brute force, greedy, two pointers	1200	x34146
1399B	Gifts Fixing greedy	800	x47972
1399A	Remove Smallest greedy, sortings	800	x85639
1398G	Running Competition bitmasks, fft, math, number theory	2600	x1360
1398F	Controversial Rounds binary search, data structures, dp, greedy, two pointers	2500	x1510
1398E	Two Types of Spells binary search, data structures, greedy, implementation, math, sortings	2200	x2661
1398D	Colored Rectangles dp, greedy, sortings	1800	x12931
1398C	Good Subarrays data structures, dp, math	1600	x41197
1398B	Substring Removal Game games, greedy, sortings	800	x26326
1398A	Bad Triangle geometry, math	800	x29167
1397B	Power Sequence brute force, math, number theory, sortings	1500	x15649
1397A	Juggling Letters greedy, strings	800	x30217
1396E	Distance Matching constructive algorithms, dfs and similar, trees	3200	x450
1396D	Rainbow Rectangles data structures, sortings, two pointers	3300	x355
1396C	Monster Invaders dp, greedy, implementation	2300	x2880
1396B	Stoned Game brute force, constructive algorithms, games, greedy	1800	x13548
1396A	Multiples of Length constructive algorithms, greedy, number theory	1600	x16990
1395C	Boboniu and Bit Operations bitmasks, brute force, dp, greedy	1600	x15577
1395B	Boboniu Plays Chess constructive algorithms	1100	x16454
1395A	Boboniu Likes to Color Balls brute force, math	1000	x25787
1394E	Boboniu and Banknote Collection strings	3500	x186
1394D	Boboniu and Jianghu dp, greedy, sortings, trees	2800	x1339
1394C	Boboniu and String binary search, geometry, ternary search	2600	x1301
1394B	Boboniu Walks on Graph brute force, dfs and similar, graphs, hashing	2300	x2199
1394A	Boboniu Chats with Du dp, greedy, sortings, two pointers	1800	x7199
1393E2	Twilight and Ancient Scroll (harder version) dp, hashing, implementation, string suffix structures, strings, two pointers	3200	x573
1393E1	Twilight and Ancient Scroll (easier version) dp, hashing, implementation, string suffix structures, strings	2800	x538
1393D	Rarity and New Dress dfs and similar, dp, implementation, shortest paths	2100	x4268
1393C	Pinkie Pie Eats Patty-cakes constructive algorithms, greedy, math, sortings	1700	x11157
1393B	Applejack and Storages constructive algorithms, data structures, greedy, implementation	1400	x17555
1393A	Rainbow Dash, Fluttershy and Chess Coloring greedy, math	800	x20885
1392I	Kevin and Grid fft, graphs, math	3300	x336
1392H	ZS Shuffles Cards combinatorics, dp, math, probabilities	3000	x1249
1392G	Omkar and Pies bitmasks, dfs and similar, dp, math, shortest paths	2900	x805
1392F	Omkar and Landslide binary search, constructive algorithms, data structures, greedy, math	2400	x2749
1392E	Omkar and Duck bitmasks, constructive algorithms, interactive, math	2100	x3991
1392D	Omkar and Bed Wars dp, greedy	1700	x10091
1392C	Omkar and Waterslide greedy, implementation	1200	x19839
1392B	Omkar and Infinity Clock implementation, math	800	x18997
1392A	Omkar and Password greedy, math	800	x21879
1391E	Pairs of Pairs constructive algorithms, dfs and similar, graphs, greedy, trees	2600	x2135
1391D	505 bitmasks, brute force, constructive algorithms, dp, greedy, implementation	2000	x5956
1391C	Cyclic Permutations combinatorics, dp, graphs, math	1500	x16288
1391B	Fix You brute force, greedy, implementation	800	x30418
1391A	Suborrays constructive algorithms, math	800	x25230
1389G	Directing Edges dfs and similar, dp, graphs, trees	2800	x589
1389F	Bicolored Segments data structures, dp, graph matchings, sortings	2600	x1356
1389E	Calendar Ambiguity math, number theory	2200	x3788
1389D	Segment Intersections brute force, greedy, implementation, math	2100	x4611
1389C	Good String brute force, dp, greedy, two pointers	1500	x21034
1389B	Array Walk brute force, dp, greedy	1600	x21775
1389A	LCM Problem constructive algorithms, greedy, math, number theory	800	x52558
1388E	Uncle Bogdan and Projections data structures, geometry, sortings	2700	x675
1388D	Captain Flint and Treasure data structures, dfs and similar, graphs, greedy, implementation, trees	2000	x7052
1388C	Uncle Bogdan and Country Happiness dfs and similar, greedy, math, trees	1800	x10568
1388B	Captain Flint and a Long Voyage greedy, math	1000	x22942
1388A	Captain Flint and Crew Recruitment brute force, greedy, math, number theory	800	x26138
1387C	Viruses *special problem, dp, shortest paths, string suffix structures	2900	x278
1387B2	Village (Maximum) *special problem, dfs and similar, trees	2500	x1423
1387B1	Village (Minimum) *special problem, dp, greedy, trees	2100	x2020
1387A	Graph *special problem, binary search, dfs and similar, dp, math, ternary search	2100	x1016
1386C	Joker *special problem, bitmasks, data structures, divide and conquer, dsu	2800	x721
1386B	Mixture *special problem, data structures, geometry, math, sortings	2900	x213
1386A	Colors *special problem, binary search, constructive algorithms, interactive	2700	x374
1385G	Columns Swaps 2-sat, dfs and similar, dsu, graphs, implementation	2300	x2141
1385F	Removing Leaves data structures, greedy, implementation, trees	2300	x3021
1385E	Directing Edges constructive algorithms, dfs and similar, graphs	2000	x10053
1385D	a-Good String bitmasks, brute force, divide and conquer, dp, implementation	1500	x23481
1385C	Make It Good greedy	1200	x29547
1385B	Restore the Permutation by Merger greedy	800	x40145
1385A	Three Pairwise Maximums math	800	x44653
1384B2	Koa and the Beach (Hard Version) constructive algorithms, dp, greedy, implementation	2200	x2658
1384B1	Koa and the Beach (Easy Version) brute force, dp, greedy	1900	x4150
1384A	Common Prefixes constructive algorithms, greedy, strings	1200	x19923
1383F	Special Edges flows, graphs	3200	x462
1383E	Strange Operation combinatorics, data structures, dp	2800	x1192
1383D	Rearrange brute force, constructive algorithms, graphs, greedy, sortings	2800	x872
1383C	String Transformation 2 bitmasks, dp, graphs, trees	3100	x736
1383B	GameGame bitmasks, constructive algorithms, dp, games, greedy, math	1900	x5874
1383A	String Transformation 1 dsu, graphs, greedy, sortings, strings, trees, two pointers	1700	x11464
1382B	Sequential Nim dp, games	1100	x26669
1382A	Common Subsequence brute force	800	x27612
1381E	Origami geometry, math, sortings	3300	x368
1381D	The Majestic Brown Tree Snake dfs and similar, dp, greedy, trees, two pointers	3000	x844
1381C	Mastermind constructive algorithms, graph matchings, greedy, implementation, sortings, two pointers	2500	x1756
1381B	Unmerge dp	1800	x9794
1381A2	Prefix Flip (Hard Version) constructive algorithms, data structures, implementation, strings, two pointers	1700	x14614
1381A1	Prefix Flip (Easy Version) constructive algorithms, data structures, strings	1300	x22077
1380G	Circular Dungeon greedy, math, probabilities	2600	x1036
1380F	Strange Addition data structures, dp, matrices	2600	x964
1380E	Merging Towers data structures, dsu, implementation, trees	2300	x2484
1380D	Berserk And Fireball constructive algorithms, greedy, implementation, math, two pointers	2000	x5130
1380C	Create The Teams brute force, dp, greedy, implementation, sortings	1400	x23265
1380B	Universal Solution greedy	1400	x15431
1380A	Three Indices brute force, data structures	900	x45092

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