Problemset - Codeforces

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Rayan Programming Contest 2024 - Selection (Codeforces Round 989, Div. 1 + Div. 2)
13:39:20
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bitmasks

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Problems

#	Name
2039C1	Shohag Loves XOR (Easy Version) bitmasks, brute force, math, number theory	1200	x8045
2035C	Alya and Permutation bitmasks, constructive algorithms, math	1400	x8051
2020C	Bitwise Balancing bitmasks, hashing, implementation, math, schedules, ternary search	1400	x14452
1988C	Increasing Sequence with Fixed OR bitmasks, constructive algorithms, greedy	1300	x16674
1981B	Turtle and an Infinite Sequence bitmasks, math	1300	x13803
1973B	Cat, Fox and the Lonely Array binary search, bitmasks, data structures, greedy, math, two pointers	1300	x14195
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x12135
1926D	Vlad and Division bitmasks, greedy	1300	x15764
1918C	XOR-distance bitmasks, greedy, implementation, math	1400	x14242
1913C	Game with Multiset binary search, bitmasks, brute force, greedy	1300	x15241
1909B	Make Almost Equal With Mod bitmasks, constructive algorithms, math, number theory	1200	x17557
1903B	StORage room bitmasks, brute force, constructive algorithms, greedy	1200	x12984
1882B	Sets and Union bitmasks, brute force, constructive algorithms, greedy	1300	x15634
1878E	Iva & Pav binary search, bitmasks, data structures, greedy	1400	x13224
1875C	Jellyfish and Green Apple bitmasks, greedy, math, number theory	1400	x11936
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x14036
1870B	Friendly Arrays bitmasks, greedy, math	1200	x14335
1864C	Divisor Chain bitmasks, constructive algorithms, math, number theory	1300	x13672
1847C	Vampiric Powers, anyone? bitmasks, brute force, dp, greedy	1400	x13035
1790E	Vlad and a Pair of Numbers bitmasks, constructive algorithms	1400	x15351
1775B	Gardener and the Array bitmasks, constructive algorithms	1300	x14208
1742G	Orray bitmasks, brute force, greedy, math, sortings	1500	x10941
1722G	Even-Odd XOR bitmasks, constructive algorithms, greedy	1500	x11529
1669H	Maximal AND bitmasks, greedy, math	1300	x19158
1661B	Getting Zero bitmasks, brute force, dfs and similar, dp, graphs, greedy, shortest paths	1300	x18025
1659B	Bit Flipping bitmasks, constructive algorithms, greedy, strings	1300	x11011
1646C	Factorials and Powers of Two bitmasks, brute force, constructive algorithms, dp, math	1500	x14377
1634B	Fortune Telling bitmasks, math	1400	x16860
1630A	And Matching bitmasks, constructive algorithms	1500	x14659
1615B	And It's Non-Zero bitmasks, greedy, math	1300	x16134
1614C	Divan and bitwise operations bitmasks, combinatorics, constructive algorithms, dp, math	1500	x10333
1601A	Array Elimination bitmasks, greedy, math, number theory	1300	x14885
1600J	Robot Factory bitmasks, dfs and similar	1400	x3971
1553C	Penalty bitmasks, brute force, dp, greedy	1200	x18032
1547D	Co-growing Sequence bitmasks, constructive algorithms, greedy	1300	x16836
1516B	AGAGA XOOORRR bitmasks, brute force, dp, greedy	1500	x19714
1514B	AND 0, Sum Big bitmasks, combinatorics, math	1200	x25513
1513B	AND Sequences bitmasks, combinatorics, constructive algorithms, math	1400	x14986
1498B	Box Fitting binary search, bitmasks, data structures, greedy	1300	x17462
1494B	Berland Crossword bitmasks, brute force, greedy, implementation	1400	x14450
1463B	Find The Array bitmasks, constructive algorithms, greedy	1400	x19574
1420B	Rock and Lever bitmasks, math	1200	x26279
1385D	a-Good String bitmasks, brute force, divide and conquer, dp, implementation	1500	x19476
1362C	Johnny and Another Rating Drop bitmasks, greedy, math	1400	x18615
1362B	Johnny and His Hobbies bitmasks, brute force	1200	x19352
1312C	Adding Powers bitmasks, greedy, implementation, math, number theory, ternary search	1400	x16672
1270C	Make Good bitmasks, constructive algorithms, math	1400	x14179
1152B	Neko Performs Cat Furrier Transform bitmasks, constructive algorithms, dfs and similar, math	1300	x8960
1097B	Petr and a Combination Lock bitmasks, brute force, dp	1200	x29295
1095C	Powers Of Two bitmasks, greedy	1400	x17040
1042B	Vitamins bitmasks, brute force, dp, implementation	1200	x16375
961C	Chessboard bitmasks, brute force, implementation	1400	x5323
912B	New Year's Eve bitmasks, constructive algorithms, number theory	1300	x12161
868C	Qualification Rounds bitmasks, brute force, constructive algorithms, dp	1500	x4638
743B	Chloe and the sequence binary search, bitmasks, constructive algorithms, implementation	1200	x14967
677C	Vanya and Label bitmasks, combinatorics, implementation, strings	1500	x6449
611B	New Year and Old Property bitmasks, brute force, implementation	1300	x10171
550B	Preparing Olympiad bitmasks, brute force	1400	x21682
476B	Dreamoon and WiFi bitmasks, brute force, combinatorics, dp, math, probabilities	1300	x31168
437B	The Child and Set bitmasks, greedy, implementation, sortings	1500	x9570
224B	Array bitmasks, implementation, two pointers	1500	x7362
114B	PFAST Inc. bitmasks, brute force, graphs	1500	x3719
96B	Lucky Numbers (easy) binary search, bitmasks, brute force	1300	x15723
27B	Tournament bitmasks, brute force, dfs and similar, greedy	1300	x5386