Problemset - Codeforces

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Codeforces Round 988 (Div. 3)
27:59:51
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Problems

#	Name
920B	Tea Queue implementation	1200	x7383
920A	Water The Garden implementation	1000	x7786
919F	A Game With Numbers games, graphs, shortest paths	2600	x340
919E	Congruence Equation chinese remainder theorem, math, number theory	2100	x2139
919D	Substring dfs and similar, dp, graphs	1700	x10140
919C	Seat Arrangements brute force, implementation	1300	x8994
919B	Perfect Number binary search, brute force, dp, implementation, number theory	1100	x28356
919A	Supermarket brute force, greedy, implementation	800	x16153
918B	Radio Station implementation, strings	900	x16859
918A	Eleven brute force, implementation	800	x17107
917E	Upside Down data structures, string suffix structures, strings, trees	3400	x136
917D	Stranger Trees dp, math, matrices, trees	2600	x1161
917C	Pollywog combinatorics, dp, matrices	2900	x406
917B	MADMAX dfs and similar, dp, games, graphs	1700	x3542
917A	The Monster dp, greedy, implementation, math	1800	x3527
916E	Jamie and Tree data structures, trees	2400	x1685
916D	Jamie and To-do List data structures, interactive, trees	2200	x518
916C	Jamie and Interesting Graph constructive algorithms, graphs, shortest paths	1600	x5124
916B	Jamie and Binary Sequence (changed after round) bitmasks, greedy, math	2000	x1919
916A	Jamie and Alarm Snooze brute force, implementation, math	900	x8613
915G	Coprime Arrays math, number theory	2300	x1273
915F	Imbalance Value of a Tree data structures, dsu, graphs, trees	2400	x2526
915E	Physical Education Lessons data structures, implementation, sortings	2300	x4487
915D	Almost Acyclic Graph dfs and similar, graphs	2200	x3458
915C	Permute Digits dp, greedy	1700	x7090
915B	Browser implementation	1300	x7794
915A	Garden implementation	900	x14800
914H	Ember and Storm's Tree Game combinatorics, dp, games, trees	3400	x240
914G	Sum the Fibonacci bitmasks, divide and conquer, dp, fft, math	2600	x933
914F	Substrings in a String bitmasks, brute force, data structures, string suffix structures, strings	3000	x1667
914E	Palindromes in a Tree bitmasks, data structures, divide and conquer, trees	2400	x1515
914D	Bash and a Tough Math Puzzle data structures, number theory	1900	x5345
914C	Travelling Salesman and Special Numbers brute force, combinatorics, dp	1800	x3837
914B	Conan and Agasa play a Card Game games, greedy, implementation	1200	x8636
914A	Perfect Squares brute force, implementation, math	900	x14181
913H	Don't Exceed math, probabilities	3400	x127
913G	Power Substring math, number theory	3200	x209
913F	Strongly Connected Tournament dp, graphs, math, probabilities	2800	x659
913E	Logical Expression bitmasks, dp, shortest paths	2400	x808
913D	Too Easy Problems binary search, brute force, data structures, greedy, sortings	1800	x4746
913C	Party Lemonade bitmasks, dp, greedy	1600	x7944
913B	Christmas Spruce implementation, trees	1200	x16161
913A	Modular Exponentiation implementation, math	900	x21388
912E	Prime Gift binary search, dfs and similar, math, meet-in-the-middle, number theory, two pointers	2400	x1605
912D	Fishes data structures, graphs, greedy, probabilities, shortest paths	2100	x2018
912C	Perun, Ult! brute force, greedy, sortings	2500	x520
912B	New Year's Eve bitmasks, constructive algorithms, number theory	1300	x12117
912A	Tricky Alchemy implementation	800	x13526
911G	Mass Change Queries data structures	2500	x2925
911F	Tree Destruction constructive algorithms, dfs and similar, graphs, greedy, trees	2400	x1750
911E	Stack Sorting constructive algorithms, data structures, greedy, implementation	2000	x2560
911D	Inversion Counting brute force, math	1800	x4610
911C	Three Garlands brute force, constructive algorithms	1400	x7050
911B	Two Cakes binary search, brute force, implementation	1200	x11427
911A	Nearest Minimums implementation	1100	x11492
910C	Minimum Sum constructive algorithms, greedy, math	1700	x1812
910B	Door Frames greedy, implementation	1600	x1708
910A	The Way to Home dfs and similar, dp, greedy, implementation	800	x12089
909F	AND-permutations constructive algorithms	2500	x581
909E	Coprocessor dfs and similar, dp, graphs, greedy	1900	x2112
909D	Colorful Points data structures, greedy, implementation	2100	x1948
909C	Python Indentation dp	1800	x4948
909B	Segments constructive algorithms, math	1300	x6418
909A	Generate Login brute force, greedy, sortings	1000	x9334
908H	New Year and Boolean Bridges	3100	x384
908G	New Year and Original Order dp, math	2800	x1372
908F	New Year and Rainbow Roads graphs, greedy, implementation	2400	x1400
908E	New Year and Entity Enumeration bitmasks, combinatorics, dp, math	2500	x759
908D	New Year and Arbitrary Arrangement dp, math, probabilities	2200	x2392
908C	New Year and Curling brute force, geometry, implementation, math	1500	x6930
908B	New Year and Buggy Bot brute force, implementation	1200	x7663
908A	New Year and Counting Cards brute force, implementation	800	x14827
907B	Tic-Tac-Toe implementation	1400	x4069
907A	Masha and Bears brute force, implementation	1300	x5708
906E	Reverses dp, string suffix structures, strings	3300	x453
906D	Power Tower chinese remainder theorem, math, number theory	2700	x2138
906C	Party bitmasks, brute force, dp, graphs	2400	x1370
906B	Seating of Students brute force, constructive algorithms, math	2200	x1143
906A	Shockers implementation, strings	1600	x4138
903G	Yet Another Maxflow Problem data structures, flows, graphs	2700	x532
903F	Clear The Matrix bitmasks, dp	2200	x676
903E	Swapping Characters brute force, hashing, implementation, strings	2200	x1480
903D	Almost Difference data structures, math	2200	x3869
903C	Boxes Packing greedy	1200	x18033
903B	The Modcrab greedy, implementation	1200	x7766
903A	Hungry Student Problem greedy, implementation	900	x14647
902B	Coloring a Tree dfs and similar, dsu, greedy	1200	x10886
902A	Visiting a Friend greedy, implementation	1100	x9850
901E	Cyclic Cipher fft, math	3300	x87
901D	Weighting a Tree constructive algorithms, dfs and similar, graphs	2700	x511
901C	Bipartite Segments binary search, data structures, dfs and similar, dsu, graphs, two pointers	2300	x1185
901B	GCD of Polynomials constructive algorithms, math	2200	x1584
901A	Hashing Trees constructive algorithms, trees	1500	x5128
900E	Maximum Questions data structures, dp, strings	2100	x1279
900D	Unusual Sequences bitmasks, combinatorics, dp, math, number theory	2000	x3266
900C	Remove Extra One brute force, data structures, math	1700	x4574
900B	Position in Fraction math, number theory	1300	x7864
900A	Find Extra One geometry, implementation	800	x13661
899F	Letters Removing data structures, strings	2100	x1854
899E	Segments Removal data structures, dsu, flows, implementation, two pointers	2000	x3089