Problemset - Codeforces

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Problems

#	Name
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	x1718
920F	SUM and REPLACE brute force, data structures, dsu, number theory	2000	x6484
920E	Connected Components? data structures, dfs and similar, dsu, graphs	2100	x6139
920D	Tanks dp, greedy, implementation	2400	x695
919F	A Game With Numbers games, graphs, shortest paths	2600	x330
919E	Congruence Equation chinese remainder theorem, math, number theory	2100	x2053
917E	Upside Down data structures, string suffix structures, strings, trees	3400	x125
917D	Stranger Trees dp, math, matrices, trees	2600	x1109
917C	Pollywog combinatorics, dp, matrices	2900	x390
916E	Jamie and Tree data structures, trees	2400	x1620
916D	Jamie and To-do List data structures, interactive, trees	2200	x505
916B	Jamie and Binary Sequence (changed after round) bitmasks, greedy, math	2000	x1862
915G	Coprime Arrays math, number theory	2300	x1165
915F	Imbalance Value of a Tree data structures, dsu, graphs, trees	2400	x2401
915E	Physical Education Lessons data structures, implementation, sortings	2300	x4201
915D	Almost Acyclic Graph dfs and similar, graphs	2200	x3365
914H	Ember and Storm's Tree Game combinatorics, dp, games, trees	3400	x236
914G	Sum the Fibonacci bitmasks, divide and conquer, dp, fft, math	2600	x909
914F	Substrings in a String bitmasks, brute force, data structures, string suffix structures, strings	3000	x1574
914E	Palindromes in a Tree bitmasks, data structures, divide and conquer, trees	2400	x1447
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	x634
913E	Logical Expression bitmasks, dp, shortest paths	2400	x762
912E	Prime Gift binary search, dfs and similar, math, meet-in-the-middle, number theory, two pointers	2400	x1527
912D	Fishes data structures, graphs, greedy, probabilities, shortest paths	2100	x1981
912C	Perun, Ult! brute force, greedy, sortings	2500	x514
911G	Mass Change Queries data structures	2500	x2753
911F	Tree Destruction constructive algorithms, dfs and similar, graphs, greedy, trees	2400	x1616
911E	Stack Sorting constructive algorithms, data structures, greedy, implementation	2000	x2498
909F	AND-permutations constructive algorithms	2500	x522
909D	Colorful Points data structures, greedy, implementation	2100	x1920
908H	New Year and Boolean Bridges	3100	x376
908G	New Year and Original Order dp, math	2800	x1328
908F	New Year and Rainbow Roads graphs, greedy, implementation	2400	x1385
908E	New Year and Entity Enumeration bitmasks, combinatorics, dp, math	2500	x752
908D	New Year and Arbitrary Arrangement dp, math, probabilities	2200	x2302
906E	Reverses dp, string suffix structures, strings	3300	x437
906D	Power Tower chinese remainder theorem, math, number theory	2700	x2041
906C	Party bitmasks, brute force, dp, graphs	2400	x1281
906B	Seating of Students brute force, constructive algorithms, math	2200	x1129
903G	Yet Another Maxflow Problem data structures, flows, graphs	2700	x520
903F	Clear The Matrix bitmasks, dp	2200	x630
903E	Swapping Characters brute force, hashing, implementation, strings	2200	x1451
903D	Almost Difference data structures, math	2200	x3739
901E	Cyclic Cipher fft, math	3300	x85
901D	Weighting a Tree constructive algorithms, dfs and similar, graphs	2700	x438
901C	Bipartite Segments binary search, data structures, dfs and similar, dsu, graphs, two pointers	2300	x1158
901B	GCD of Polynomials constructive algorithms, math	2200	x1576
900E	Maximum Questions data structures, dp, strings	2100	x1219
900D	Unusual Sequences bitmasks, combinatorics, dp, math, number theory	2000	x3123
899F	Letters Removing data structures, strings	2100	x1795
899E	Segments Removal data structures, dsu, flows, implementation, two pointers	2000	x2988
898F	Restoring the Expression brute force, hashing, math	2300	x1178
896E	Welcome home, Chtholly data structures, dsu	3100	x2083
896D	Nephren Runs a Cinema chinese remainder theorem, combinatorics, math, number theory	2900	x523
896C	Willem, Chtholly and Seniorious data structures, probabilities	2600	x3281
896B	Ithea Plays With Chtholly binary search, constructive algorithms, games, greedy, interactive	2000	x2083
895E	Eyes Closed data structures, probabilities	2300	x1093
895D	String Mark combinatorics, math, strings	2100	x1100
895C	Square Subsets bitmasks, combinatorics, dp, math	2000	x5285
894E	Ralph and Mushrooms dp, graphs	2100	x2227
894D	Ralph And His Tour in Binary Country brute force, data structures, trees	2200	x1121
893F	Subtree Minimum Query data structures, trees	2300	x1919
893E	Counting Arrays combinatorics, dp, math, number theory	2000	x3566
891E	Lust combinatorics, math, matrices	3000	x898
891D	Sloth dfs and similar, dp, graph matchings, trees	3100	x180
891C	Envy data structures, dsu, graphs	2300	x2320
891B	Gluttony constructive algorithms, greedy	2000	x2944
889E	Mod Mod Mod binary search, dp, math	3000	x521
888G	Xor-MST bitmasks, constructive algorithms, data structures	2300	x4267
888F	Connecting Vertices dp, graphs	2500	x776
887F	Row of Models greedy, sortings	2500	x163
887E	Little Brother binary search, geometry, sortings	2800	x163
887D	Ratings and Reality Shows data structures, two pointers	2400	x474
886F	Symmetric Projections geometry	2900	x266
886E	Maximum Element combinatorics, dp, math	2400	x993
886D	Restoration of string constructive algorithms, graphs, implementation	2000	x1756
884F	Anti-Palindromize flows, graphs, greedy	2500	x1034
884E	Binary Matrix dsu	2500	x678
884D	Boxes And Balls data structures, greedy	2300	x1942
883L	Berland.Taxi data structures	2500	x230
883J	Renovation constructive algorithms, greedy, sortings	2400	x575
883D	Packmen Strike Back binary search, dp, math	2500	x366
883C	Downloading B++ binary search, implementation	2300	x620
883B	Berland Army constructive algorithms, graphs, greedy	2600	x342
883A	Automatic Door implementation	2200	x585
878E	Numbers on the blackboard combinatorics, dp	3300	x499