Problemset - Codeforces

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Codeforces Round 946 (Div. 3)
08:29:06
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Problems

#	Name
1583G	Omkar and Time Travel data structures, math	3000	x401
356E	Xenia and String Problem dp, hashing, implementation, string suffix structures, strings	3000	x400
375E	Red and Black Tree dp, implementation, math	3000	x398
1787G	Colorful Tree Again brute force, data structures, trees	3000	x396
264E	Roadside Trees data structures, dp	3000	x396
1854E	Game Bundles brute force, constructive algorithms, dp, greedy, math	3000	x383
533A	Berland Miners binary search, data structures, dfs and similar, greedy, trees	3000	x373
461E	Appleman and a Game binary search, shortest paths, strings	3000	x366
1651F	Tower Defense binary search, brute force, data structures	3000	x363
1609G	A Stroll Around the Matrix data structures, greedy, math	3000	x363
436F	Banners brute force, data structures, dp	3000	x358
1418F	Equal Product data structures, math, number theory, two pointers	3000	x357
788D	Finding lines constructive algorithms, divide and conquer, interactive	3000	x356
1776M	Parmigiana With Seafood binary search, dp, greedy, trees	3000	x353
297E	Mystic Carvings data structures	3000	x353
1168D	Anagram Paths dp, implementation, trees	3000	x335
1063E	Lasers and Mirrors constructive algorithms, math	3000	x330
1797F	Li Hua and Path data structures, dfs and similar, divide and conquer, dsu, trees	3000	x329
1252D	Find String in a Grid data structures, dp, strings, trees	3000	x325
936D	World of Tank dp, greedy	3000	x324
1748F	Circular Xor Reversal bitmasks, constructive algorithms	3000	x323
1147E	Rainbow Coins interactive	3000	x323
1909G	Pumping Lemma hashing, strings	3000	x320
1411F	The Thorny Path greedy, math	3000	x320
773E	Blog Post Rating data structures, sortings	3000	x318
303E	Random Ranking dp, math, probabilities	3000	x312
1615H	Reindeer Games binary search, constructive algorithms, data structures, divide and conquer, flows, graphs, shortest paths	3000	x308
1838F	Stuck Conveyor binary search, constructive algorithms, interactive	3000	x302
1779G	The Game of the Century constructive algorithms, graphs, shortest paths	3000	x302
274E	Mirror Room data structures, implementation	3000	x302
778E	Selling Numbers dp, sortings	3000	x301
843E	Maximum Flow flows, graphs	3000	x282
1572E	Polygon binary search, dp, geometry	3000	x279
1874E	Jellyfish and Hack dp, math	3000	x274
666D	Chain Reaction brute force, geometry	3000	x270
1956F	Nene and the Passing Game constructive algorithms, data structures, dsu, graphs, sortings	3000	x266
1181E2	A Story of One Country (Hard) brute force, greedy, sortings	3000	x264
135E	Weak Subsequence combinatorics	3000	x264
1526F	Median Queries constructive algorithms, interactive, probabilities	3000	x252
434E	Furukawa Nagisa's Tree binary search, divide and conquer, sortings, trees	3000	x252
346E	Doodle Jump math, number theory	3000	x252
57E	Chess math, shortest paths	3000	x250
1868D	Flower-like Pseudotree constructive algorithms, graphs, greedy, implementation, trees	3000	x248
1743G	Antifibonacci Cut bitmasks, combinatorics, constructive algorithms, data structures, dp, hashing, math	3000	x245
1474F	1 2 3 4 ... dp, math, matrices	3000	x241
1569F	Palindromic Hamiltonian Path brute force, dfs and similar, dp, graphs, hashing	3000	x228
533D	Landmarks data structures, dp	3000	x216
280E	Sequence Transformation brute force, data structures, dp, implementation, math	3000	x198
167D	Wizards and Roads data structures, divide and conquer, graph matchings, graphs, greedy	3000	x190
223E	Planar Graph flows, geometry, graphs	3000	x189
212A	Privatization flows, graphs	3000	x187
1934E	Weird LCM Operations brute force, constructive algorithms, number theory	3000	x184
641F	Little Artem and 2-SAT	3000	x184
1659F	Tree and Permutation Game dfs and similar, games, graphs, trees	3000	x182
243E	Matrix data structures	3000	x171
331D3	Escaping on Beaveractor data structures, implementation, trees	3000	x170
372E	Drawing Circles is Fun combinatorics, geometry	3000	x169
1236F	Alice and the Cactus dfs and similar, graphs, math, probabilities	3000	x168
251E	Tree and Table dfs and similar, dp, implementation, trees	3000	x168
1250D	Conference Problem dp	3000	x165
1906C	Cursed Game interactive	3000	x161
156E	Mrs. Hudson's Pancakes brute force, dp	3000	x160
1758F	Decent Division constructive algorithms, data structures	3000	x155
1575C	Cyclic Sum data structures, fft, number theory	3000	x155
1938B	Attraction Score	3000	x148
852H	Bob and stages dp, geometry	3000	x148
859G	Circle of Numbers math	3000	x145
1201E2	Knightmare (hard) graphs, interactive, shortest paths	3000	x140
1672I	PermutationForces data structures, greedy	3000	x137
1969F	Card Pairing dp, greedy, hashing, implementation	3000	x113
185E	Soap Time! - 2 binary search, data structures	3000	x103
1423I	Lookup Tables bitmasks	3000	x102
856F	To Play or not to Play greedy	3000	x101
154E	Martian Colony geometry	3000	x89
1218G	Alpha planetary system constructive algorithms, graphs, shortest paths	3000	x87
457E	Flow Optimality constructive algorithms, flows, math	3000	x81
142E	Help Greg the Dwarf 2 geometry	3000	x79
1218B	Guarding warehouses data structures, geometry	3000	x68
223D	Spider geometry, graphs	3000	x68
1070M	Algoland and Berland constructive algorithms, divide and conquer, geometry	3000	x64
175F	Gnomes of Might and Magic data structures, graphs, implementation, shortest paths	3000	x64
1340E	Nastya and Bees graphs, interactive, probabilities	3000	x52
683J	The Hero with Bombs *special problem	3000	x40
1571J	Two Railroads *special problem	3000	x36
1211I	Unusual Graph *special problem, graphs	3000	x34
1252I	Mission Possible	3000	x29
896E	Welcome home, Chtholly data structures, dsu	3100	x1973
765F	Souvenirs data structures	3100	x1860
438E	The Child and Binary Tree combinatorics, divide and conquer, fft, number theory	3100	x1795
666E	Forensic Examination data structures, string suffix structures	3100	x1331
176E	Archaeology data structures, dfs and similar, trees	3100	x1029
1458D	Flip and Reverse data structures, graphs, greedy	3100	x979
708E	Student's Camp dp, math	3100	x932
521E	Cycling City dfs and similar, graphs	3100	x918
1239E	Turtle dp, implementation	3100	x900
1628E	Groceries in Meteor Town binary search, data structures, dsu, trees	3100	x830
704D	Captain America flows, greedy	3100	x776
809E	Surprise me! divide and conquer, math, number theory, trees	3100	x722
407E	k-d-sequence data structures	3100	x687
1188D	Make Equal dp	3100	x667