Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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Codeforces Round 941 (Div. 2)
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Problems

#	Name
1940D	Almost Certainly *special problem, constructive algorithms, data structures, sortings		x123
1940C	Burenka and Pether *special problem, data structures, dfs and similar, divide and conquer, dsu, graphs, sortings, trees		x32
1940B	Three Arrays *special problem, constructive algorithms, implementation, sortings		x171
1940A	Parallel Universes *special problem, constructive algorithms, dfs and similar, dsu, graphs		x78
1939D	Big Persimmon *special problem, dp, games		x59
1939C	More Gifts *special problem, dfs and similar, two pointers		x272
1939B	Evidence Board *special problem, constructive algorithms, dfs and similar, graphs, trees		x208
1939A	Draw Polygon Lines *special problem, constructive algorithms, dp, geometry, interactive		x14
1910J	Two Colors *special problem	2900	x42
1910I	Inverse Problem *special problem, combinatorics, dp	2700	x39
1910H	Sum of Digits of Sums *special problem, binary search, data structures	2400	x77
1910G	Pool Records *special problem, greedy	2700	x49
1910F	Build Railway Stations *special problem, greedy, trees	2000	x154
1910E	Maximum Sum Subarrays *special problem, dp	2100	x167
1910D	Remove and Add *special problem, greedy	1800	x296
1910C	Poisonous Swamp special problem, special problem, implementation, implementation	1600	x563
1910B	Security Guard *special problem, greedy	1600	x574
1910A	Username *special problem, implementation	1100	x1532
1885A	Deterministic Scheduling for Extended Reality over 5G and Beyond *special problem
1812J	Unmysterious Language *special problem, constructive algorithms, strings		x5780
1812I	Mountain Climber *special problem		x250
1812H	Expected Twist *special problem, interactive		x130
1812G	Colour Vision *special problem, implementation		x520
1812F	Factorization *special problem, number theory		x949
1812E	Not a Geometry Problem special problem, special problem, constructive algorithms, geometry, math		x3932
1812D	Trivial Conjecture *special problem, constructive algorithms, math, number theory		x4329
1812C	Digits *special problem		x1219
1812B	Was it Rated? special problem, special problem, *special problem, brute force, implementation		x5558
1812A	Are You a Robot? special problem, special problem, *special problem, expression parsing, strings		x13033
1769D3	Игра в Девятку III *special problem, brute force	2300	x115
1769D2	Игра в Девятку II *special problem, brute force	2200	x186
1769D1	Игра в Девятку I *special problem, brute force, dp	1800	x367
1769C2	Подкрутка II *special problem, dp	1300	x908
1769C1	Подкрутка I *special problem, brute force, dp, greedy	1200	x927
1769B2	Копирование файлов II *special problem, binary search, brute force, math	1400	x853
1769B1	Копирование файлов I *special problem, brute force, implementation, math	1000	x1308
1769A	Узкая дорога *special problem, math	800	x1893
1663H	Cross-Language Program *special problem, constructive algorithms		x1256
1663G	Six Characters *special problem, constructive algorithms, strings		x203
1663F	In Every Generation... *special problem, strings		x327
1663E	Are You Safe? *special problem, implementation		x537
1663D	Is it rated - 3 *special problem, combinatorics, dp, math		x1379
1663C	Pōja Verdon *special problem, implementation, math		x5608
1663B	Mike's Sequence *special problem, divide and conquer, implementation, math		x3345
1663A	Who Tested? *special problem, expression parsing, trees		x10381
1576A	Communication Routing Challenge *special problem
1571J	Two Railroads *special problem	3000	x36
1571I	Physical Examination *special problem, binary search, data structures	3200	x54
1571H	Laser Beams *special problem, geometry, probabilities	2900	x44
1571G	A Battle Against a Dragon *special problem, data structures, dp	2500	x71
1571F	Kotlinforces *special problem, constructive algorithms, dp	2000	x176
1571E	Fix the String *special problem, bitmasks, dp, greedy	1700	x319
1571D	Sweepstake *special problem, brute force, constructive algorithms, implementation, math	1800	x317
1571C	Rhyme *special problem, implementation	1800	x357
1571B	Epic Novel *special problem, math	1300	x674
1571A	Sequence of Comparisons *special problem	800	x1236
1533J	Pawns *special problem		x41
1533I	Excursions *special problem, constructive algorithms, dfs and similar, flows, graph matchings, graphs		x47
1533H	Submatrices *special problem, bitmasks, data structures, dp		x80
1533G	Biome Map *special problem, constructive algorithms, dfs and similar, graphs		x86
1533F	Binary String Partition *special problem, binary search, greedy		x208
1533E	Chess Team Forming *special problem, binary search, data structures, greedy		x268
1533D	String Searching *special problem, hashing		x434
1533C	Sweets *special problem, data structures, implementation		x456
1533B	Nearest Point Function *special problem, implementation		x749
1533A	Travel to Bertown *special problem, implementation, math		x990
1532F	Prefixes and Suffixes *special problem, strings		x214
1532E	Good Array *special problem		x384
1532D	Teams Forming *special problem, sortings		x579
1532C	Uniform String *special problem, implementation		x633
1532B	Frog Jumping *special problem, math		x816
1532A	A+B (Trial Problem) *special problem		x1128
1531E3	Сортировка слиянием *special problem, binary search		x267
1531E2	Сортировка слиянием special problem, special problem, brute force		x331
1531E1	Сортировка слиянием *special problem		x356
1531D	Редактируем Зингер \| color special problem, special problem		x351
1531C	Симметричный амфитеатр *special problem, constructive algorithms, dp		x645
1531B2	Мониторинг *special problem		x764
1531B1	Мониторинг special problem, special problem		x1087
1531A	Зингер \| color *special problem, implementation		x1443
1505I	Mysterious language again, seriously? *special problem	2200	x537
1505H	L BREAK into program *special problem	2500	x481
1505G	Encoded message *special problem, implementation	2600	x291
1505F	Math *special problem, math	2200	x1471
1505E	Cakewalk *special problem, greedy, implementation, shortest paths	1800	x1719
1505D	Xenolith? Hippodrome? *special problem, number theory	1800	x739
1505C	Fibonacci Words *special problem, implementation	1400	x6288
1505B	DMCA *special problem, implementation, number theory	1600	x5993
1505A	Is it rated - 2 *special problem, implementation, interactive	900	x13959
1488J	Flower Shop *special problem, data structures, fft, math	3100	x31
1488I	Demonic Invasion *special problem, flows	3100	x33
1488H	Build From Suffixes *special problem, combinatorics, data structures	2800	x52
1488G	Painting Numbers *special problem, data structures, greedy, number theory	2500	x117
1488F	Dogecoin special problem, special problem, binary search, data structures	2300	x167
1488E	Palindromic Doubles *special problem, data structures, dp	2200	x194
1488D	Problemsolving Marathon *special problem, binary search, greedy	1900	x317
1488C	Two Policemen *special problem, binary search, brute force, math	1900	x397
1488B	RBS Deletion *special problem, greedy	1800	x524
1488A	From Zero To Y *special problem, math	900	x1332
1431J	Zero-XOR Array *special problem, dp	3400	x42

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