Problemset - Codeforces

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Codeforces Round 940 (Div. 2) and CodeCraft-23
36:53:51
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bitmasks

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Problems

#	Name
1915A	Odd One Out bitmasks, implementation	800	x48757
1915B	Not Quite Latin Square bitmasks, brute force, implementation	800	x37963
1527A	And Then There Were K bitmasks	800	x33714
1843C	Sum in Binary Tree bitmasks, combinatorics, math, trees	800	x30882
1698A	XOR Mixup bitmasks, brute force	800	x27694
1829C	Mr. Perfectly Fine bitmasks, greedy, implementation	800	x26916
1421A	XORwice bitmasks, greedy, math	800	x26907
1635A	Min Or Sum bitmasks, greedy	800	x21982
1805A	We Need the Zero bitmasks, brute force	800	x20766
1688A	Cirno's Perfect Bitmasks Classroom bitmasks, brute force	800	x20561
1566B	MIN-MEX Cut bitmasks, constructive algorithms, dp, greedy	800	x19034
1696A	NIT orz! bitmasks, greedy	800	x18062
1688B	Patchouli's Magical Talisman bitmasks, constructive algorithms, greedy, sortings	800	x17823
1625A	Ancient Civilization bitmasks, greedy, math	800	x16917
202A	LLPS binary search, bitmasks, brute force, greedy, implementation, strings	800	x15805
1763A	Absolute Maximization bitmasks, constructive algorithms, greedy, math	800	x15196
1559A	Mocha and Math bitmasks, constructive algorithms, math	900	x28232
1494A	ABC String bitmasks, brute force, implementation	900	x20371
1699B	Almost Ternary Matrix bitmasks, constructive algorithms, matrices	900	x19120
579A	Raising Bacteria bitmasks	1000	x55610
1567B	MEXor Mixup bitmasks, greedy	1000	x21312
1632B	Roof Construction bitmasks, constructive algorithms	1000	x20687
1847B	Hamon Odyssey bitmasks, greedy, two pointers	1000	x18974
1566C	MAX-MEX Cut bitmasks, constructive algorithms, dp, greedy	1000	x16960
467B	Fedor and New Game bitmasks, brute force, constructive algorithms, implementation	1100	x35601
535B	Tavas and SaDDas bitmasks, brute force, combinatorics, implementation	1100	x21514
1840B	Binary Cafe bitmasks, combinatorics, math	1100	x21380
1594B	Special Numbers bitmasks, math	1100	x18748
1807G2	Subsequence Addition (Hard Version) bitmasks, dp, greedy, implementation, sortings	1100	x17528
1682B	AND Sorting bitmasks, constructive algorithms, sortings	1100	x17058
1867B	XOR Palindromes bitmasks, constructive algorithms, strings	1100	x15675
1842B	Tenzing and Books bitmasks, greedy, math	1100	x15488
1726B	Mainak and Interesting Sequence bitmasks, constructive algorithms, math	1100	x14573
1944B	Equal XOR bitmasks, constructive algorithms	1100	x13732
1202A	You Are Given Two Binary Strings... bitmasks, greedy	1100	x8731
1097B	Petr and a Combination Lock bitmasks, brute force, dp	1200	x26357
1420B	Rock and Lever bitmasks, math	1200	x23441
1514B	AND 0, Sum Big bitmasks, combinatorics, math	1200	x22483
1362B	Johnny and His Hobbies bitmasks, brute force	1200	x18235
1553C	Penalty bitmasks, brute force, dp, greedy	1200	x17248
1042B	Vitamins bitmasks, brute force, dp, implementation	1200	x15035
743B	Chloe and the sequence binary search, bitmasks, constructive algorithms, implementation	1200	x14194
1909B	Make Almost Equal With Mod bitmasks, constructive algorithms, math, number theory	1200	x13590
1870B	Friendly Arrays bitmasks, greedy, math	1200	x13257
1903B	StORage room bitmasks, brute force, constructive algorithms, greedy	1200	x11177
476B	Dreamoon and WiFi bitmasks, brute force, combinatorics, dp, math, probabilities	1300	x28903
1661B	Getting Zero bitmasks, brute force, dfs and similar, dp, graphs, greedy, shortest paths	1300	x16903
1498B	Box Fitting binary search, bitmasks, data structures, greedy	1300	x15998
1669H	Maximal AND bitmasks, greedy, math	1300	x15979
1547D	Co-growing Sequence bitmasks, constructive algorithms, greedy	1300	x15905
1615B	And It's Non-Zero bitmasks, greedy, math	1300	x15125
96B	Lucky Numbers (easy) binary search, bitmasks, brute force	1300	x14349
1882B	Sets and Union bitmasks, brute force, constructive algorithms, greedy	1300	x14151
1913C	Game with Multiset binary search, bitmasks, brute force, greedy	1300	x13443
1926D	Vlad and Division bitmasks, greedy	1300	x13207
1601A	Array Elimination bitmasks, greedy, math, number theory	1300	x13064
1864C	Divisor Chain bitmasks, constructive algorithms, math, number theory	1300	x12509
1775B	Gardener and the Array bitmasks, constructive algorithms	1300	x12298
912B	New Year's Eve bitmasks, constructive algorithms, number theory	1300	x11297
1659B	Bit Flipping bitmasks, constructive algorithms, greedy, strings	1300	x10582
611B	New Year and Old Property bitmasks, brute force, implementation	1300	x9742
1152B	Neko Performs Cat Furrier Transform bitmasks, constructive algorithms, dfs and similar, math	1300	x8728
27B	Tournament bitmasks, brute force, dfs and similar, greedy	1300	x5122
550B	Preparing Olympiad bitmasks, brute force	1400	x19299
1463B	Find The Array bitmasks, constructive algorithms, greedy	1400	x18681
1362C	Johnny and Another Rating Drop bitmasks, greedy, math	1400	x16923
1312C	Adding Powers bitmasks, greedy, implementation, math, number theory, ternary search	1400	x15726
1095C	Powers Of Two bitmasks, greedy	1400	x15635
1634B	Fortune Telling bitmasks, math	1400	x15536
1790E	Vlad and a Pair of Numbers bitmasks, constructive algorithms	1400	x14089
1494B	Berland Crossword bitmasks, brute force, greedy, implementation	1400	x13914
1513B	AND Sequences bitmasks, combinatorics, constructive algorithms, math	1400	x13654
1270C	Make Good bitmasks, constructive algorithms, math	1400	x13552
1918C	XOR-distance bitmasks, greedy, implementation, math	1400	x12320
1847C	Vampiric Powers, anyone? bitmasks, brute force, dp, greedy	1400	x12140
1878E	Iva & Pav binary search, bitmasks, data structures, greedy	1400	x10857
1875C	Jellyfish and Green Apple bitmasks, greedy, math, number theory	1400	x10684
961C	Chessboard bitmasks, brute force, implementation	1400	x5214
1600J	Robot Factory bitmasks, dfs and similar	1400	x3765
1385D	a-Good String bitmasks, brute force, divide and conquer, dp, implementation	1500	x18263
1516B	AGAGA XOOORRR bitmasks, brute force, dp, greedy	1500	x17970
1630A	And Matching bitmasks, constructive algorithms	1500	x14018
1646C	Factorials and Powers of Two bitmasks, brute force, constructive algorithms, dp, math	1500	x13053
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x11735
1722G	Even-Odd XOR bitmasks, constructive algorithms, greedy	1500	x10230
1614C	Divan and bitwise operations bitmasks, combinatorics, constructive algorithms, dp, math	1500	x9890
1742G	Orray bitmasks, brute force, greedy, math, sortings	1500	x9705
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x9682
437B	The Child and Set bitmasks, greedy, implementation, sortings	1500	x9125
224B	Array bitmasks, implementation, two pointers	1500	x7139
677C	Vanya and Label bitmasks, combinatorics, implementation, strings	1500	x6266
868C	Qualification Rounds bitmasks, brute force, constructive algorithms, dp	1500	x4518
114B	PFAST Inc. bitmasks, brute force, graphs	1500	x3493
1395C	Boboniu and Bit Operations bitmasks, brute force, dp, greedy	1600	x13475
1632C	Strange Test binary search, bitmasks, brute force, dp, math	1600	x12199
1567C	Carrying Conundrum bitmasks, combinatorics, dp, math	1600	x11796
1151B	Dima and a Bad XOR bitmasks, brute force, constructive algorithms, dp	1600	x10582
1703G	Good Key, Bad Key bitmasks, brute force, dp, greedy, math	1600	x9915
1775C	Interesting Sequence bitmasks, math	1600	x9549
1658D1	388535 (Easy Version) bitmasks, math	1600	x8728

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