Problemset - Codeforces

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Codeforces Round (Div. 3)
32:45:12
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bitmasks

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Problems

#	Name
776G	Sherlock and the Encrypted Data bitmasks, combinatorics, dp	2900	x329
1952I	Dark Matter bitmasks, geometry		x326
1748F	Circular Xor Reversal bitmasks, constructive algorithms	3000	x322
212B	Polycarpus is Looking for Good Substrings bitmasks, hashing, implementation	2300	x321
1773G	Game of Questions bitmasks, combinatorics, dp, fft, math, probabilities	2800	x319
1571E	Fix the String *special problem, bitmasks, dp, greedy	1700	x319
1556G	Gates to Another World bitmasks, data structures, dsu, two pointers	3300	x306
1698G	Long Binary String bitmasks, math, matrices, meet-in-the-middle, number theory	2900	x300
1292F	Nora's Toy Boxes bitmasks, combinatorics, dp	3500	x300
504D	Misha and XOR bitmasks	2700	x298
1027G	X-mouse in the Campus bitmasks, math, number theory	2600	x294
1336E2	Chiori and Doll Picking (hard version) bitmasks, brute force, combinatorics, math	3500	x285
1599J	Bob's Beautiful Array bitmasks, brute force, greedy	2600	x283
1214G	Feeling Good bitmasks, data structures	3200	x279
1799H	Tree Cutting bitmasks, dfs and similar, dp	3200	x270
76C	Mutation bitmasks, dp, math	2700	x267
1016G	Appropriate Team bitmasks, math, number theory	2700	x255
217D	Bitonix' Patrol bitmasks, brute force, combinatorics, dfs and similar, math	2900	x245
1743G	Antifibonacci Cut bitmasks, combinatorics, constructive algorithms, data structures, dp, hashing, math	3000	x244
1450G	Communism bitmasks, dp, trees	3500	x233
97D	Robot in Basement bitmasks, brute force, implementation	2700	x229
1439E	Cheat and Win bitmasks, data structures, games, trees	3500	x214
1515H	Phoenix and Bits bitmasks, brute force, data structures, sortings	3500	x211
575C	Party bitmasks, brute force, graph matchings	2700	x211
1804H	Code Lock bitmasks, dp	3300	x169
796F	Sequence Recovery bitmasks, data structures, greedy	2800	x169
1861F	Four Suits binary search, bitmasks, flows, greedy	3200	x146
1707F	Bugaboo bitmasks, constructive algorithms, dp, number theory	3500	x144
1835F	Good Graph bitmasks, dfs and similar, graph matchings, graphs, implementation	3500	x143
865E	Hex Dyslexia bitmasks, brute force, dp, graphs	3300	x119
1725D	Deducing Sortability binary search, bitmasks, math	2900	x117
336E	Vasily the Bear and Painting Square bitmasks, combinatorics, dp, implementation	2700	x109
1423I	Lookup Tables bitmasks	3000	x101
1097H	Mateusz and an Infinite Sequence bitmasks, brute force, dp, strings	3400	x92
1533H	Submatrices *special problem, bitmasks, data structures, dp		x80
1302F	Keep talking and nobody explodes -- easy bitmasks, brute force, expression parsing		x72
865F	Egg Roulette bitmasks, brute force, divide and conquer, math, meet-in-the-middle	3300	x67

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