Problemset - Codeforces

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Problems

#	Name
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	x1743
920F	SUM and REPLACE brute force, data structures, dsu, number theory	2000	x6705
920E	Connected Components? data structures, dfs and similar, dsu, graphs	2100	x6304
920D	Tanks dp, greedy, implementation	2400	x710
920C	Swap Adjacent Elements dfs and similar, greedy, math, sortings, two pointers	1400	x9172
919F	A Game With Numbers games, graphs, shortest paths	2600	x336
919E	Congruence Equation chinese remainder theorem, math, number theory	2100	x2101
919D	Substring dfs and similar, dp, graphs	1700	x9899
917E	Upside Down data structures, string suffix structures, strings, trees	3400	x133
917D	Stranger Trees dp, math, matrices, trees	2600	x1137
917C	Pollywog combinatorics, dp, matrices	2900	x393
917B	MADMAX dfs and similar, dp, games, graphs	1700	x3533
917A	The Monster dp, greedy, implementation, math	1800	x3511
916E	Jamie and Tree data structures, trees	2400	x1654
916D	Jamie and To-do List data structures, interactive, trees	2200	x509
916C	Jamie and Interesting Graph constructive algorithms, graphs, shortest paths	1600	x5089
916B	Jamie and Binary Sequence (changed after round) bitmasks, greedy, math	2000	x1905
915G	Coprime Arrays math, number theory	2300	x1231
915F	Imbalance Value of a Tree data structures, dsu, graphs, trees	2400	x2458
915E	Physical Education Lessons data structures, implementation, sortings	2300	x4339
915D	Almost Acyclic Graph dfs and similar, graphs	2200	x3423
915C	Permute Digits dp, greedy	1700	x7019
914H	Ember and Storm's Tree Game combinatorics, dp, games, trees	3400	x238
914G	Sum the Fibonacci bitmasks, divide and conquer, dp, fft, math	2600	x926
914F	Substrings in a String bitmasks, brute force, data structures, string suffix structures, strings	3000	x1631
914E	Palindromes in a Tree bitmasks, data structures, divide and conquer, trees	2400	x1486
914D	Bash and a Tough Math Puzzle data structures, number theory	1900	x5272
914C	Travelling Salesman and Special Numbers brute force, combinatorics, dp	1800	x3740
913H	Don't Exceed math, probabilities	3400	x127
913G	Power Substring math, number theory	3200	x208
913F	Strongly Connected Tournament dp, graphs, math, probabilities	2800	x653
913E	Logical Expression bitmasks, dp, shortest paths	2400	x773
913D	Too Easy Problems binary search, brute force, data structures, greedy, sortings	1800	x4733
913C	Party Lemonade bitmasks, dp, greedy	1600	x7872
912E	Prime Gift binary search, dfs and similar, math, meet-in-the-middle, number theory, two pointers	2400	x1578
912D	Fishes data structures, graphs, greedy, probabilities, shortest paths	2100	x2013
912C	Perun, Ult! brute force, greedy, sortings	2500	x517
911G	Mass Change Queries data structures	2500	x2872
911F	Tree Destruction constructive algorithms, dfs and similar, graphs, greedy, trees	2400	x1688
911E	Stack Sorting constructive algorithms, data structures, greedy, implementation	2000	x2533
911D	Inversion Counting brute force, math	1800	x4593
911C	Three Garlands brute force, constructive algorithms	1400	x7026
910C	Minimum Sum constructive algorithms, greedy, math	1700	x1801
910B	Door Frames greedy, implementation	1600	x1702
909F	AND-permutations constructive algorithms	2500	x580
909E	Coprocessor dfs and similar, dp, graphs, greedy	1900	x2073
909D	Colorful Points data structures, greedy, implementation	2100	x1935
909C	Python Indentation dp	1800	x4897
908H	New Year and Boolean Bridges	3100	x380
908G	New Year and Original Order dp, math	2800	x1356
908F	New Year and Rainbow Roads graphs, greedy, implementation	2400	x1394
908E	New Year and Entity Enumeration bitmasks, combinatorics, dp, math	2500	x759
908D	New Year and Arbitrary Arrangement dp, math, probabilities	2200	x2332
908C	New Year and Curling brute force, geometry, implementation, math	1500	x6910
907B	Tic-Tac-Toe implementation	1400	x4063
906E	Reverses dp, string suffix structures, strings	3300	x447
906D	Power Tower chinese remainder theorem, math, number theory	2700	x2101
906C	Party bitmasks, brute force, dp, graphs	2400	x1349
906B	Seating of Students brute force, constructive algorithms, math	2200	x1141
906A	Shockers implementation, strings	1600	x4123
903G	Yet Another Maxflow Problem data structures, flows, graphs	2700	x529
903F	Clear The Matrix bitmasks, dp	2200	x637
903E	Swapping Characters brute force, hashing, implementation, strings	2200	x1465
903D	Almost Difference data structures, math	2200	x3777
901E	Cyclic Cipher fft, math	3300	x87
901D	Weighting a Tree constructive algorithms, dfs and similar, graphs	2700	x504
901C	Bipartite Segments binary search, data structures, dfs and similar, dsu, graphs, two pointers	2300	x1170
901B	GCD of Polynomials constructive algorithms, math	2200	x1583
901A	Hashing Trees constructive algorithms, trees	1500	x5110
900E	Maximum Questions data structures, dp, strings	2100	x1259
900D	Unusual Sequences bitmasks, combinatorics, dp, math, number theory	2000	x3219
900C	Remove Extra One brute force, data structures, math	1700	x4547
899F	Letters Removing data structures, strings	2100	x1833
899E	Segments Removal data structures, dsu, flows, implementation, two pointers	2000	x3030
899D	Shovel Sale constructive algorithms, math	1800	x2752
898F	Restoring the Expression brute force, hashing, math	2300	x1188
898E	Squares and not squares constructive algorithms, greedy	1600	x4580
898D	Alarm Clock greedy	1600	x3895
898C	Phone Numbers implementation, strings	1400	x5276
896E	Welcome home, Chtholly data structures, dsu	3100	x2128
896D	Nephren Runs a Cinema chinese remainder theorem, combinatorics, math, number theory	2900	x529
896C	Willem, Chtholly and Seniorious data structures, probabilities	2600	x3411
896B	Ithea Plays With Chtholly binary search, constructive algorithms, games, greedy, interactive	2000	x2121
896A	Nephren gives a riddle binary search, dfs and similar	1700	x3448
895E	Eyes Closed data structures, probabilities	2300	x1106
895D	String Mark combinatorics, math, strings	2100	x1109
895C	Square Subsets bitmasks, combinatorics, dp, math	2000	x5505