Problemset - Codeforces

Problems

#	Name
487D	Conveyor Belts data structures	2700	x902
487C	Prefix Product Sequence constructive algorithms, math, number theory	2300	x2795
487B	Strip binary search, data structures, dp, two pointers	2000	x3559
487A	Fight the Monster binary search, brute force, implementation	1800	x3774
486E	LIS of Sequence data structures, dp, greedy, hashing, math	2200	x2283
486D	Valid Sets dfs and similar, dp, math, trees	2100	x4051
486C	Palindrome Transformation brute force, greedy, implementation	1700	x11775
485A	Factory implementation, math, matrices	1400	x8312
484E	Sign on Fence binary search, constructive algorithms, data structures	2500	x2348
484D	Kindergarten data structures, dp, greedy	2400	x2654
484C	Strange Sorting implementation, math	2600	x594
484B	Maximum Value binary search, math, sortings, two pointers	2100	x7078
484A	Bits bitmasks, constructive algorithms	1700	x11485
483B	Friends and Presents binary search, math	1800	x4095
482E	ELCA data structures, trees	3200	x177
482D	Random Function and Tree combinatorics, dp, trees	2700	x537
482C	Game with Strings bitmasks, dp, probabilities	2600	x935
482B	Interesting Array constructive algorithms, data structures, trees	1800	x6579
480E	Parking Lot data structures, divide and conquer	2800	x570
480D	Parcels dp, graphs	2600	x460
479E	Riding in a Lift combinatorics, dp	1900	x5172
479D	Long Jumps binary search, greedy, implementation	1700	x4795
479C	Exams greedy, sortings	1400	x29888
479B	Towers brute force, constructive algorithms, greedy, implementation, sortings	1400	x7929
478E	Wavy numbers brute force, dfs and similar, meet-in-the-middle, sortings	2900	x221
478D	Red-Green Towers dp	2000	x6057
478C	Table Decorations greedy	1800	x18377
477E	Dreamoon and Notepad data structures	3100	x135
477D	Dreamoon and Binary dp, strings	2700	x527
476E	Dreamoon and Strings dp, strings	2200	x1972
476D	Dreamoon and Sets constructive algorithms, greedy, math	1900	x4695
476C	Dreamoon and Sums math	1600	x5750
475F	Meta-universe data structures	2900	x230
475E	Strongly Connected City 2 dfs and similar	2700	x413
475D	CGCDSSQ brute force, data structures, math	2000	x4993
475C	Kamal-ol-molk's Painting brute force, constructive algorithms, greedy	2100	x786
475B	Strongly Connected City brute force, dfs and similar, graphs, implementation	1400	x8530
474F	Ant colony data structures, math, number theory	2100	x8842
474E	Pillars binary search, data structures, dp, sortings, trees	2000	x3404
474D	Flowers dp	1700	x25571
474C	Captain Marmot brute force, geometry	2000	x3132
472G	Design Tutorial: Increase the Constraints bitmasks, data structures, fft	2800	x406
472F	Design Tutorial: Change the Goal constructive algorithms, math, matrices	2700	x259
472E	Design Tutorial: Learn from a Game constructive algorithms, implementation	2800	x131
472D	Design Tutorial: Inverse the Problem dfs and similar, dsu, shortest paths, trees	1900	x5453
472C	Design Tutorial: Make It Nondeterministic greedy	1400	x6366
471E	MUH and Lots and Lots of Segments data structures, dsu	2700	x82
471D	MUH and Cube Walls string suffix structures, strings	1800	x8260
471C	MUH and House of Cards binary search, brute force, greedy, math	1700	x3571
470H	Array Sorting *special problem	2300	x189
470G	Hamming Distance *special problem	2300	x95
470F	Pairwise Sums *special problem	2300	x106
470E	Chessboard *special problem	1900	x198
470D	Caesar Cipher *special problem	1900	x153
470C	Eval *special problem	1900	x255
470B	Hexakosioihexekontahexaphobia *special problem	1800	x260
470A	Crystal Ball Sequence *special problem, implementation	1400	x677
468E	Permanent dp, graph matchings, math, meet-in-the-middle	3100	x323
468D	Tree graph matchings	3100	x367
468C	Hack it! binary search, constructive algorithms, math	2500	x2424
468B	Two Sets 2-sat, dfs and similar, dsu, graph matchings, greedy	2000	x4255
468A	24 Game constructive algorithms, greedy, math	1500	x8007
467E	Alex and Complicated Task data structures, dp, greedy	2300	x789
467D	Fedor and Essay dfs and similar, dp, graphs, hashing, strings	2400	x1861
467C	George and Job dp, implementation	1700	x14787
466E	Information Graph dfs and similar, dsu, graphs, trees	2100	x2246
466D	Increase Sequence combinatorics, dp	2100	x3233
466C	Number of Ways binary search, brute force, data structures, dp, two pointers	1700	x36541
466B	Wonder Room brute force, math	2000	x4930
464E	The Classic Problem data structures, graphs, shortest paths	3000	x1506
464D	World of Darkraft - 2 dp, probabilities	2700	x671
464C	Substitutes in Number dp	2100	x1854
464B	Restore Cube brute force, geometry	2000	x1712
464A	No to Palindromes! greedy, strings	1700	x5920
463E	Caisa and Tree brute force, dfs and similar, math, number theory, trees	2100	x1617
463D	Gargari and Permutations dfs and similar, dp, graphs, implementation	1900	x6561
463C	Gargari and Bishops greedy, hashing, implementation	1900	x8768
461E	Appleman and a Game binary search, shortest paths, strings	3000	x450
461D	Appleman and Complicated Task dsu, math	2800	x366
461C	Appleman and a Sheet of Paper data structures, implementation	2200	x1336
461B	Appleman and Tree dfs and similar, dp, trees	2000	x5764
460E	Roland and Rose brute force, geometry, math, sortings	2700	x343
460D	Little Victor and Set brute force, constructive algorithms, math	2300	x1003
460C	Present binary search, data structures, greedy	1700	x6253
460B	Little Dima and Equation brute force, implementation, math, number theory	1500	x12430
459E	Pashmak and Graph dp, sortings	1900	x5545
459D	Pashmak and Parmida's problem data structures, divide and conquer, sortings	1800	x10291
459C	Pashmak and Buses combinatorics, constructive algorithms, math	1900	x6193
457F	An easy problem about trees dp, games, greedy, trees	3200	x107
457E	Flow Optimality constructive algorithms, flows, math	3000	x96
457D	Bingo! combinatorics, math, probabilities	2700	x282
457C	Elections brute force	2100	x881
457B	Distributed Join greedy	1900	x1135
457A	Golden System math, meet-in-the-middle	1700	x1284
455E	Function data structures	2900	x684
455D	Serega and Fun data structures	2700	x3031
455C	Civilization dfs and similar, dp, dsu, ternary search, trees	2100	x5777
455B	A Lot of Games dfs and similar, dp, games, implementation, strings, trees	1900	x6014
455A	Boredom dp	1500	x59513
453E	Little Pony and Lord Tirek data structures	3100	x749