Problemset - Codeforces

Problems

#	Name
926B	Add Points math, number theory	1800	x1715
925F	Parametric Circulation binary search, flows	3100	x114
925E	May Holidays data structures, trees	2900	x401
925D	Aztec Catacombs constructive algorithms	2600	x524
925C	Big Secret constructive algorithms, math	2200	x1321
925B	Resource Distribution binary search, implementation, sortings	1700	x2208
925A	Stairs and Elevators binary search	1600	x3485
924F	Minimal Subset Difference dp	3200	x213
924E	Wardrobe dp, greedy	2700	x517
924D	Contact ATC	2500	x872
924C	Riverside Curio data structures, dp, greedy	1700	x3877
924B	Three-level Laser binary search, greedy, two pointers	1600	x5314
923F	Public Service constructive algorithms, graphs, trees	3200	x76
923E	Perpetual Subtraction fft, math, matrices	3100	x455
923D	Picking Strings constructive algorithms, implementation, strings	2500	x1199
923C	Perfect Security data structures, greedy, strings, trees	1800	x4308
923B	Producing Snow binary search, data structures	1600	x7355
923A	Primal Sport math, number theory	1700	x5039
922F	Divisibility constructive algorithms, dp, greedy, number theory	2400	x646
922E	Birds dp	2200	x2167
922D	Robot Vacuum Cleaner greedy, sortings	1800	x4397
922C	Cave Painting brute force, number theory	1600	x7144
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	x1761
920F	SUM and REPLACE brute force, data structures, dsu, number theory	2000	x6918
920E	Connected Components? data structures, dfs and similar, dsu, graphs	2100	x6471
920D	Tanks dp, greedy, implementation	2400	x730
919F	A Game With Numbers games, graphs, shortest paths	2600	x340
919E	Congruence Equation chinese remainder theorem, math, number theory	2100	x2143
919D	Substring dfs and similar, dp, graphs	1700	x10218
917E	Upside Down data structures, string suffix structures, strings, trees	3400	x136
917D	Stranger Trees dp, math, matrices, trees	2600	x1163
917C	Pollywog combinatorics, dp, matrices	2900	x406
917B	MADMAX dfs and similar, dp, games, graphs	1700	x3543
917A	The Monster dp, greedy, implementation, math	1800	x3528
916E	Jamie and Tree data structures, trees	2400	x1688
916D	Jamie and To-do List data structures, interactive, trees	2200	x518
916C	Jamie and Interesting Graph constructive algorithms, graphs, shortest paths	1600	x5127
916B	Jamie and Binary Sequence (changed after round) bitmasks, greedy, math	2000	x1919
915G	Coprime Arrays math, number theory	2300	x1293
915F	Imbalance Value of a Tree data structures, dsu, graphs, trees	2400	x2534
915E	Physical Education Lessons data structures, implementation, sortings	2300	x4501
915D	Almost Acyclic Graph dfs and similar, graphs	2200	x3468
915C	Permute Digits dp, greedy	1700	x7094
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	x936
914F	Substrings in a String bitmasks, brute force, data structures, string suffix structures, strings	3000	x1677
914E	Palindromes in a Tree bitmasks, data structures, divide and conquer, trees	2400	x1518
914D	Bash and a Tough Math Puzzle data structures, number theory	1900	x5360
914C	Travelling Salesman and Special Numbers brute force, combinatorics, dp	1800	x3847
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	x809
913D	Too Easy Problems binary search, brute force, data structures, greedy, sortings	1800	x4751
913C	Party Lemonade bitmasks, dp, greedy	1600	x7948
912E	Prime Gift binary search, dfs and similar, math, meet-in-the-middle, number theory, two pointers	2400	x1631
912D	Fishes data structures, graphs, greedy, probabilities, shortest paths	2100	x2019
912C	Perun, Ult! brute force, greedy, sortings	2500	x520
911G	Mass Change Queries data structures	2500	x2934
911F	Tree Destruction constructive algorithms, dfs and similar, graphs, greedy, trees	2400	x1755
911E	Stack Sorting constructive algorithms, data structures, greedy, implementation	2000	x2563
911D	Inversion Counting brute force, math	1800	x4617
910C	Minimum Sum constructive algorithms, greedy, math	1700	x1813
910B	Door Frames greedy, implementation	1600	x1710
909F	AND-permutations constructive algorithms	2500	x582
909E	Coprocessor dfs and similar, dp, graphs, greedy	1900	x2112
909D	Colorful Points data structures, greedy, implementation	2100	x1949
909C	Python Indentation dp	1800	x4956
908H	New Year and Boolean Bridges	3100	x389
908G	New Year and Original Order dp, math	2800	x1377
908F	New Year and Rainbow Roads graphs, greedy, implementation	2400	x1401
908E	New Year and Entity Enumeration bitmasks, combinatorics, dp, math	2500	x760
908D	New Year and Arbitrary Arrangement dp, math, probabilities	2200	x2392
906E	Reverses dp, string suffix structures, strings	3300	x454
906D	Power Tower chinese remainder theorem, math, number theory	2700	x2144
906C	Party bitmasks, brute force, dp, graphs	2400	x1373
906B	Seating of Students brute force, constructive algorithms, math	2200	x1143
906A	Shockers implementation, strings	1600	x4143
903G	Yet Another Maxflow Problem data structures, flows, graphs	2700	x535
903F	Clear The Matrix bitmasks, dp	2200	x686
903E	Swapping Characters brute force, hashing, implementation, strings	2200	x1481
903D	Almost Difference data structures, math	2200	x3891
901E	Cyclic Cipher fft, math	3300	x88
901D	Weighting a Tree constructive algorithms, dfs and similar, graphs	2700	x515
901C	Bipartite Segments binary search, data structures, dfs and similar, dsu, graphs, two pointers	2300	x1185
901B	GCD of Polynomials constructive algorithms, math	2200	x1586