Problemset - Codeforces

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Pinely Round 4 (Div. 1 + Div. 2)
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Problems

#	Name
1268E	Happy Cactus dp	3400	x242
145D	Lucky Pair combinatorics, data structures, implementation	2900	x242
1830F	The Third Grace data structures, dp	3200	x241
1548D2	Gregor and the Odd Cows (Hard) brute force, geometry, math, number theory	3300	x240
869D	The Overdosing Ubiquity brute force, dfs and similar, graphs	2800	x240
802E	Marmots (medium) math	2200	x240
152D	Frames brute force	2600	x240
1357A5	Distinguish Rz(θ) from Ry(θ)		x239
1338E	JYPnation graphs	3500	x239
1194G	Another Meme Problem dp	2700	x239
64E	Prime Segment *special problem, brute force, math, number theory	1800	x239
1523H	Hopping Around the Array data structures, dp	3500	x238
470C	Eval *special problem	1900	x238
1954F	Unique Strings combinatorics, dp, math	3100	x237
1830E	Bully Sort data structures, math	3500	x236
1684H	Hard Cut constructive algorithms, dfs and similar, divide and conquer, math	3400	x236
1666K	Kingdom Partition flows	3200	x236
627F	Island Puzzle dfs and similar, dsu, graphs, trees	3400	x236
435E	Special Graph	2500	x236
293D	Ksusha and Square geometry, math, probabilities, two pointers	2700	x236
914H	Ember and Storm's Tree Game combinatorics, dp, games, trees	3400	x235
1951H	Thanos Snap binary search, dp, games, greedy, trees	3200	x234
1569F	Palindromic Hamiltonian Path brute force, dfs and similar, dp, graphs, hashing	3000	x234
1083D	The Fair Nut's getting crazy data structures, implementation	3500	x234
370E	Summer Reading dp, greedy	2500	x234
1425I	Impressive Harvesting of The Orchard data structures	2800	x233
1270I	Xor on Figures constructive algorithms, fft, math	3500	x233
952G	Puzzling Language constructive algorithms	2200	x233
406E	Hamming Triples implementation, math, two pointers	2800	x233
1750G	Doping combinatorics, dp, math	3300	x232
1738H	Palindrome Addicts data structures, strings	3300	x232
1115U2	Chessboard unitary *special problem	1600	x232
618G	Combining Slimes dp, math, matrices, probabilities	3300	x232
1116D2	Pattern of increasing blocks		x231
1086F	Forest Fires math	3500	x231
89D	Space mines geometry	2500	x231
989E	A Trance of Nightfall dp, geometry, matrices, probabilities	2700	x230
883L	Berland.Taxi data structures	2500	x230
178E2	The Beaver's Problem - 2	2000	x230
164D	Minimum Diameter binary search, brute force	3100	x230
1928F	Digital Patterns combinatorics, data structures, implementation, math	2900	x229
1223G	Wooden Raft binary search, math, number theory	3200	x229
1115G3	Palindrome checker oracle *special problem	1600	x229
1958E	Yet Another Permutation Constructive *special problem, constructive algorithms	1900	x228
1952E	Sweep Line combinatorics, games, math		x228
1662J	Training Camp flows, graphs		x228
661B	Seasons *special problem	1900	x228
648D	Собачки и миски data structures, greedy, sortings	1900	x228
207A2	Beaver's Calculator 1.0 greedy	1800	x228
162D	Remove digits *special problem	1900	x228
1211D	Teams *special problem, binary search, greedy, math	2000	x227
1188E	Problem from Red Panda combinatorics	3300	x227
720D	Slalom data structures, dp, sortings	3100	x227
475F	Meta-universe data structures	2900	x227
62E	World Evil dp, flows	2700	x227
497D	Gears brute force, geometry, math	2900	x226
1578J	Just Kingdom brute force, data structures, dfs and similar	3100	x225
1190E	Tokitsukaze and Explosion binary search, greedy	3100	x225
1178H	Stock Exchange binary search, flows, graphs	3500	x225
926F	Mobile Communications	2000	x225
1103E	Radix sum fft, math, number theory	3400	x224
819D	Mister B and Astronomers number theory	2900	x224
1368H2	Breadboard Capacity (hard version)	3500	x223
1346F	Dune II: Battle For Arrakis *special problem, data structures, greedy, math	2000	x223
1043G	Speckled Band data structures, divide and conquer, hashing, string suffix structures, strings	3500	x223
1687E	Become Big For Me combinatorics, constructive algorithms, greedy, math, number theory	3500	x222
1515H	Phoenix and Bits bitmasks, brute force, data structures, sortings	3500	x222
815E	Karen and Neighborhood binary search, constructive algorithms, implementation	2900	x221
1835E	Old Mobile combinatorics, dp, probabilities	3500	x220
1431E	Chess Match *special problem	2000	x220
1098E	Fedya the Potter binary search, implementation, math, number theory	3400	x220
533D	Landmarks data structures, dp	3000	x220
309E	Sheep binary search, greedy	2900	x220
1781G	Diverse Coloring constructive algorithms, trees	3200	x219
1735F	Pebbles and Beads data structures, geometry	2900	x219
1439E	Cheat and Win bitmasks, data structures, games, trees	3500	x219
575C	Party bitmasks, brute force, graph matchings	2700	x219
478E	Wavy numbers brute force, dfs and similar, meet-in-the-middle, sortings	2900	x219
335E	Counting Skyscrapers dp, math, probabilities	2800	x219
1965E	Connected Cubes constructive algorithms, games	3100	x218
1815F	OH NO1 (-2-3-4) constructive algorithms, graphs, math	3500	x218
1532F	Prefixes and Suffixes *special problem, strings		x218
1098F	Ж-function string suffix structures, strings	3500	x218
331E2	Deja Vu constructive algorithms, dp	3100	x218
162H	Alternating case *special problem	1800	x218
1969F	Card Pairing dp, greedy, hashing, implementation	3000	x217
1638F	Two Posters brute force, data structures, greedy, two pointers	3200	x217
833E	Caramel Clouds data structures, dp, sortings	3400	x217
774B	Significant Cups *special problem, binary search, data structures, two pointers	2100	x217
82E	Corridor geometry	2600	x217
1981F	Turtle and Paths on a Tree data structures, dp, trees	3000	x216
1500E	Subset Trick binary search, data structures	3300	x216
1089B	Bimatching graphs	3200	x216
528E	Triangles 3000 geometry, sortings	3100	x216
1533F	Binary String Partition *special problem, binary search, greedy		x215
1450H2	Multithreading (Hard Version) combinatorics, implementation, math	3300	x215
1939B	Evidence Board *special problem, constructive algorithms, dfs and similar, graphs, trees		x214
420E	Playing the ball geometry	2600	x214
1357B2	"Is the number divisible by 3?" oracle		x213
1357B1	"Is the bit string balanced?" oracle		x213