Problemset - Codeforces

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Codeforces Round 959 sponsored by NEAR (Div. 1 + Div. 2)
02:10:17
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Problems

#	Name
926B	Add Points math, number theory	1800	x1624
925F	Parametric Circulation binary search, flows	3100	x108
925E	May Holidays data structures, trees	2900	x377
925D	Aztec Catacombs constructive algorithms	2600	x481
925C	Big Secret constructive algorithms, math	2200	x1287
925B	Resource Distribution binary search, implementation, sortings	1700	x2184
924F	Minimal Subset Difference dp	3200	x164
924E	Wardrobe dp, greedy	2700	x510
924D	Contact ATC	2500	x827
924C	Riverside Curio data structures, dp, greedy	1700	x3735
923F	Public Service constructive algorithms, graphs, trees	3200	x74
923E	Perpetual Subtraction fft, math, matrices	3100	x444
923D	Picking Strings constructive algorithms, implementation, strings	2500	x1176
923C	Perfect Security data structures, greedy, strings, trees	1800	x4209
923A	Primal Sport math, number theory	1700	x4995
922F	Divisibility constructive algorithms, dp, greedy, number theory	2400	x628
922E	Birds dp	2200	x2048
922D	Robot Vacuum Cleaner greedy, sortings	1800	x4312
92114	Labyrinth-14	3200
92113	Labyrinth-13	3200
92112	Labyrinth-12	3200
92111	Labyrinth-11	3200
92110	Labyrinth-10	3200
92109	Labyrinth-9	3200
92108	Labyrinth-8	3200
92107	Labyrinth-7	3200
92106	Labyrinth-6	3200
92105	Labyrinth-5	3200
92104	Labyrinth-4	3200
92103	Labyrinth-3	3200
92102	Labyrinth-2	3200
92101	Labyrinth-1	3200
920G	List Of Integers binary search, bitmasks, brute force, combinatorics, math, number theory	2200	x1709
920F	SUM and REPLACE brute force, data structures, dsu, number theory	2000	x6460
920E	Connected Components? data structures, dfs and similar, dsu, graphs	2100	x6110
920D	Tanks dp, greedy, implementation	2400	x691
919F	A Game With Numbers games, graphs, shortest paths	2600	x329
919E	Congruence Equation chinese remainder theorem, math, number theory	2100	x2045
919D	Substring dfs and similar, dp, graphs	1700	x9632
917E	Upside Down data structures, string suffix structures, strings, trees	3400	x125
917D	Stranger Trees dp, math, matrices, trees	2600	x1105
917C	Pollywog combinatorics, dp, matrices	2900	x387
917B	MADMAX dfs and similar, dp, games, graphs	1700	x3504
917A	The Monster dp, greedy, implementation, math	1800	x3492
916E	Jamie and Tree data structures, trees	2400	x1618
916D	Jamie and To-do List data structures, interactive, trees	2200	x504
916B	Jamie and Binary Sequence (changed after round) bitmasks, greedy, math	2000	x1734
915G	Coprime Arrays math, number theory	2300	x1162
915F	Imbalance Value of a Tree data structures, dsu, graphs, trees	2400	x2361
915E	Physical Education Lessons data structures, implementation, sortings	2300	x4136
915D	Almost Acyclic Graph dfs and similar, graphs	2200	x3353
915C	Permute Digits dp, greedy	1700	x6953
914H	Ember and Storm's Tree Game combinatorics, dp, games, trees	3400	x235
914G	Sum the Fibonacci bitmasks, divide and conquer, dp, fft, math	2600	x907
914F	Substrings in a String bitmasks, brute force, data structures, string suffix structures, strings	3000	x1552
914E	Palindromes in a Tree bitmasks, data structures, divide and conquer, trees	2400	x1437
914D	Bash and a Tough Math Puzzle data structures, number theory	1900	x5171
914C	Travelling Salesman and Special Numbers brute force, combinatorics, dp	1800	x3674
913H	Don't Exceed math, probabilities	3400	x124
913G	Power Substring math, number theory	3200	x198
913F	Strongly Connected Tournament dp, graphs, math, probabilities	2800	x632
913E	Logical Expression bitmasks, dp, shortest paths	2400	x762
913D	Too Easy Problems binary search, brute force, data structures, greedy, sortings	1800	x4653
912E	Prime Gift binary search, dfs and similar, math, meet-in-the-middle, number theory, two pointers	2400	x1515
912D	Fishes data structures, graphs, greedy, probabilities, shortest paths	2100	x1972
912C	Perun, Ult! brute force, greedy, sortings	2500	x513
911G	Mass Change Queries data structures	2500	x2725
911F	Tree Destruction constructive algorithms, dfs and similar, graphs, greedy, trees	2400	x1603
911E	Stack Sorting constructive algorithms, data structures, greedy, implementation	2000	x2496
911D	Inversion Counting brute force, math	1800	x4529
910C	Minimum Sum constructive algorithms, greedy, math	1700	x1756
909F	AND-permutations constructive algorithms	2500	x522
909E	Coprocessor dfs and similar, dp, graphs, greedy	1900	x2021
909D	Colorful Points data structures, greedy, implementation	2100	x1919
909C	Python Indentation dp	1800	x4818
908H	New Year and Boolean Bridges	3100	x376
908G	New Year and Original Order dp, math	2800	x1301
908F	New Year and Rainbow Roads graphs, greedy, implementation	2400	x1384
908E	New Year and Entity Enumeration bitmasks, combinatorics, dp, math	2500	x750
908D	New Year and Arbitrary Arrangement dp, math, probabilities	2200	x2297
906E	Reverses dp, string suffix structures, strings	3300	x437
906D	Power Tower chinese remainder theorem, math, number theory	2700	x2030
906C	Party bitmasks, brute force, dp, graphs	2400	x1232
906B	Seating of Students brute force, constructive algorithms, math	2200	x1127
903G	Yet Another Maxflow Problem data structures, flows, graphs	2700	x519
903F	Clear The Matrix bitmasks, dp	2200	x627
903E	Swapping Characters brute force, hashing, implementation, strings	2200	x1450
903D	Almost Difference data structures, math	2200	x3730
901E	Cyclic Cipher fft, math	3300	x85
901D	Weighting a Tree constructive algorithms, dfs and similar, graphs	2700	x437
901C	Bipartite Segments binary search, data structures, dfs and similar, dsu, graphs, two pointers	2300	x1154
901B	GCD of Polynomials constructive algorithms, math	2200	x1572
900E	Maximum Questions data structures, dp, strings	2100	x1217
900D	Unusual Sequences bitmasks, combinatorics, dp, math, number theory	2000	x3113
900C	Remove Extra One brute force, data structures, math	1700	x4513
899F	Letters Removing data structures, strings	2100	x1791
899E	Segments Removal data structures, dsu, flows, implementation, two pointers	2000	x2880
899D	Shovel Sale constructive algorithms, math	1800	x2725
898F	Restoring the Expression brute force, hashing, math	2300	x1143
896E	Welcome home, Chtholly data structures, dsu	3100	x2070