Problemset - Codeforces

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Codeforces Round 944 (Div. 4)
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Problems

#	Name
1516B	AGAGA XOOORRR bitmasks, brute force, dp, greedy	1500	x18093
839C	Journey dfs and similar, dp, graphs, probabilities, trees	1500	x15902
1272D	Remove One Element brute force, dp	1500	x15822
1304C	Air Conditioner dp, greedy, implementation, sortings, two pointers	1500	x15771
1492C	Maximum width binary search, data structures, dp, greedy, two pointers	1500	x15575
1391C	Cyclic Permutations combinatorics, dp, graphs, math	1500	x14550
1547E	Air Conditioners data structures, dp, implementation, shortest paths, sortings, two pointers	1500	x13847
1253C	Sweets Eating dp, greedy, math, sortings	1500	x13807
1536C	Diluc and Kaeya data structures, dp, hashing, number theory	1500	x13557
1553D	Backspace dp, greedy, strings, two pointers	1500	x13328
1646C	Factorials and Powers of Two bitmasks, brute force, constructive algorithms, dp, math	1500	x13173
1924A	Did We Get Everything Covered? constructive algorithms, dp, greedy, shortest paths, strings	1500	x12314
1234C	Pipes dp, implementation	1500	x12201
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x11996
1673C	Palindrome Basis brute force, dp, math, number theory	1500	x11710
1881E	Block Sequence dp	1500	x11694
1842C	Tenzing and Balls dp	1500	x11674
1811E	Living Sequence binary search, dp, math, number theory	1500	x11556
1307C	Cow and Message brute force, dp, math, strings	1500	x11540
1461C	Random Events dp, math, probabilities	1500	x10848
982C	Cut 'em all! dfs and similar, dp, graphs, greedy, trees	1500	x10810
1858B	The Walkway brute force, dp, greedy, math, number theory	1500	x10637
1738C	Even Number Addicts dp, games, greedy, math	1500	x10550
1105C	Ayoub and Lost Array combinatorics, dp, math	1500	x10137
1313C1	Skyscrapers (easy version) brute force, data structures, dp, greedy	1500	x10089
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x9998
877B	Nikita and string brute force, dp	1500	x9974
1759E	The Humanoid brute force, dp, sortings	1500	x9960
1614C	Divan and bitwise operations bitmasks, combinatorics, constructive algorithms, dp, math	1500	x9910
1005D	Polycarp and Div 3 dp, greedy, number theory	1500	x9822
1753A2	Make Nonzero Sum (hard version) constructive algorithms, dp, greedy	1500	x9784
1659C	Line Empire binary search, brute force, dp, greedy, implementation, math	1500	x9665
264B	Good Sequences dp, number theory	1500	x9622
891A	Pride brute force, dp, greedy, math, number theory	1500	x9609
1207C	Gas Pipeline dp, greedy	1500	x9538
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x9440
1767D	Playoff combinatorics, constructive algorithms, dp, greedy, math	1500	x9416
1051C	Vasya and Multisets brute force, dp, greedy, implementation, math	1500	x9137
1739C	Card Game combinatorics, constructive algorithms, dp, games	1500	x8702
1408C	Discrete Acceleration binary search, dp, implementation, math, two pointers	1500	x8627
553A	Kyoya and Colored Balls combinatorics, dp, math	1500	x8375
855B	Marvolo Gaunt's Ring brute force, data structures, dp	1500	x8365
611C	New Year and Domino dp, implementation	1500	x8328
1789C	Serval and Toxel's Arrays combinatorics, dp, implementation, math	1500	x8080
332B	Maximum Absurdity data structures, dp, implementation	1500	x7816
1084C	The Fair Nut and String combinatorics, dp, implementation	1500	x7534
873B	Balanced Substring dp, implementation	1500	x7413
1081C	Colorful Bricks combinatorics, dp, math	1500	x7047
340D	Bubble Sort Graph binary search, data structures, dp	1500	x7009
991D	Bishwock dp, greedy	1500	x7003
761C	Dasha and Password brute force, dp, implementation	1500	x5830
204A	Little Elephant and Interval binary search, combinatorics, dp	1500	x5530
858C	Did you mean... dp, greedy, implementation	1500	x5444
859C	Pie Rules dp, games	1500	x5266
255C	Almost Arithmetical Progression brute force, dp	1500	x4622
868C	Qualification Rounds bitmasks, brute force, constructive algorithms, dp	1500	x4524
159D	Palindrome pairs *special problem, brute force, dp, strings	1500	x4250
22B	Bargaining Table brute force, dp	1500	x4079
191A	Dynasty Puzzles dp	1500	x3808
566F	Clique in the Divisibility Graph dp, math, number theory	1500	x3523
417A	Elimination dp, implementation, math	1500	x2877
10B	Cinema Cashier dp, implementation	1500	x1717
212E	IT Restaurants dfs and similar, dp, trees	1500	x1658
74B	Train dp, games, greedy	1500	x1491
431C	k-Tree dp, implementation, trees	1600	x24549
1398C	Good Subarrays data structures, dp, math	1600	x24183
1336A	Linova and Kingdom dfs and similar, dp, greedy, sortings, trees	1600	x19327
1389B	Array Walk brute force, dp, greedy	1600	x15807
706C	Hard problem dp, strings	1600	x15636
1373D	Maximum Sum on Even Positions divide and conquer, dp, greedy, implementation	1600	x14956
1519D	Maximum Sum of Products brute force, dp, implementation, math, two pointers	1600	x14586
1528A	Parsa's Humongous Tree dfs and similar, divide and conquer, dp, greedy, trees	1600	x13876
1395C	Boboniu and Bit Operations bitmasks, brute force, dp, greedy	1600	x13506
1513C	Add One dp, matrices	1600	x13218
1633D	Make Them Equal dp, greedy	1600	x13015
1295C	Obtain The String dp, greedy, strings	1600	x12553
1288C	Two Arrays combinatorics, dp	1600	x12289
1537E1	Erase and Extend (Easy Version) binary search, brute force, dp, greedy, hashing, implementation, string suffix structures, strings, two pointers	1600	x12260
1632C	Strange Test binary search, bitmasks, brute force, dp, math	1600	x12245
446A	DZY Loves Sequences dp, implementation, two pointers	1600	x12236
1455D	Sequence and Swaps dp, greedy, sortings	1600	x11986
165C	Another Problem on Strings binary search, brute force, dp, math, strings, two pointers	1600	x11876
1567C	Carrying Conundrum bitmasks, combinatorics, dp, math	1600	x11839
1555D	Say No to Palindromes brute force, constructive algorithms, dp, strings	1600	x11750
1856C	To Become Max binary search, brute force, data structures, dp	1600	x11055
1476C	Longest Simple Cycle dp, graphs, greedy	1600	x11047
1741E	Sending a Sequence Over the Network dp	1600	x10810
1151B	Dima and a Bad XOR bitmasks, brute force, constructive algorithms, dp	1600	x10687
1689C	Infected Tree dfs and similar, dp, trees	1600	x10496
1469C	Building a Fence dp, greedy, implementation, two pointers	1600	x10494
1748C	Zero-Sum Prefixes brute force, data structures, dp, greedy, implementation	1600	x10443
763A	Timofey and a tree dfs and similar, dp, dsu, graphs, implementation, trees	1600	x10109
1722E	Counting Rectangles brute force, data structures, dp, implementation	1600	x10054
1703G	Good Key, Bad Key bitmasks, brute force, dp, greedy, math	1600	x10012
1282B2	K for the Price of One (Hard Version) dp, greedy, sortings	1600	x9815
1196D2	RGB Substring (hard version) data structures, dp, implementation, two pointers	1600	x9448
1829G	Hits Different data structures, dp, implementation, math	1600	x9394
607A	Chain Reaction binary search, dp	1600	x9347
1498C	Planar Reflections brute force, data structures, dp	1600	x9184
660C	Hard Process binary search, dp, two pointers	1600	x9060