Problemset - Codeforces

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Pinely Round 4 (Div. 1 + Div. 2)
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Problems

#	Name
1750F	Majority combinatorics, dp, math, strings	2700	x886
1750E	Bracket Cost binary search, data structures, divide and conquer, dp, greedy, strings	2400	x1384
1749F	Distance to the Path data structures, dfs and similar, trees	2800	x491
1749E	Cactus Wall constructive algorithms, dfs and similar, graphs, shortest paths	2400	x1662
1748F	Circular Xor Reversal bitmasks, constructive algorithms	3000	x328
1747E	List Generation combinatorics, dp, math	2900	x491
1746G	Olympiad Training binary search, data structures, dp, flows, geometry, implementation, sortings	3500	x92
1746F	Kazaee data structures, hashing, probabilities	2800	x1631
1746E2	Joking (Hard Version) dp, interactive	3200	x384
1746E1	Joking (Easy Version) binary search, constructive algorithms, interactive, ternary search	2500	x1407
1743G	Antifibonacci Cut bitmasks, combinatorics, constructive algorithms, data structures, dp, hashing, math	3000	x250
1743E	FTL binary search, dp	2400	x1518
1740I	Arranging Crystal Balls data structures, divide and conquer, divide and conquer, dp, geometry, graphs, number theory	3500	x111
1740H	MEX Tree Manipulation data structures, trees	3300	x209
1740G	Dangerous Laser Power constructive algorithms, dsu, sortings	3100	x184
1740F	Conditional Mix combinatorics, dp, math	2600	x781
1739F	Keyboard Design bitmasks, data structures, dp, string suffix structures, strings	2600	x520
1739E	Cleaning Robot bitmasks, dp	2400	x1202
1738H	Palindrome Addicts data structures, strings	3300	x232
1738G	Anti-Increasing Addicts constructive algorithms, dp, greedy, math	2900	x418
1738F	Connectivity Addicts constructive algorithms, dsu, graphs, greedy, interactive, shortest paths, trees	2400	x1202
1737G	Ela Takes Dancing Class binary search, data structures	3500	x113
1737F	Ela and Prime GCD constructive algorithms, math, number theory	3300	x123
1737E	Ela Goes Hiking combinatorics, dp, math, probabilities	2500	x910
1736E	Swap and Take dp, greedy	2600	x676
1736C2	Good Subarrays (Hard Version) binary search, data structures, dp, two pointers	2400	x1264
1735F	Pebbles and Beads data structures, geometry	2900	x219
1735E	House Planning constructive algorithms, data structures, graph matchings, greedy	2400	x1035
1734F	Zeros and Ones bitmasks, divide and conquer, dp, math	2500	x782
1733E	Conveyor constructive algorithms, dp, math	2700	x1123
1732E	Location data structures, dp, math, number theory	2800	x422
1732D2	Balance (Hard version) brute force, data structures, number theory	2400	x1382
1731F	Function Sum brute force, combinatorics, dp, fft, math	2500	x677
1730F	Almost Sorted bitmasks, data structures, dp	2700	x515
1730E	Maximums and Minimums combinatorics, data structures, divide and conquer, number theory	2700	x630
1728G	Illumination binary search, bitmasks, brute force, combinatorics, dp, math, two pointers	2700	x440
1728F	Fishermen flows, graph matchings, greedy	3100	x419
1726H	Mainak and the Bleeding Polygon binary search, geometry, implementation, math	3500	x83
1726G	A Certain Magical Party combinatorics, data structures, greedy, sortings	3300	x288
1726F	Late For Work (submissions are not allowed) data structures, greedy, schedules, shortest paths	2900	x131
1726E	Almost Perfect combinatorics, fft, math	2400	x1382
1725L	Lemper Cooking Competition data structures	2400	x893
1725K	Kingdom of Criticism data structures, dsu	2500	x650
1725J	Journey dp, trees	2500	x370
1725I	Imitating the Key Tree combinatorics, dsu, trees	2800	x193
1725E	Electrical Efficiency combinatorics, data structures, dp, math, number theory, trees	2500	x453
1725D	Deducing Sortability binary search, bitmasks, math	2900	x119
1721F	Matching Reduction brute force, constructive algorithms, dfs and similar, flows, graph matchings, graphs, interactive	2800	x385
1720E	Misha and Paintings constructive algorithms, data structures, greedy, implementation, math	2700	x753
1720D2	Xor-Subsequence (hard version) bitmasks, data structures, dp, strings, trees	2400	x1785
1718F	Burenka, an Array and Queries data structures, math, number theory	3300	x152
1718E	Impressionism constructive algorithms, graphs, implementation, math	3500	x106
1718D	Permutation for Burenka data structures, graph matchings, greedy, math, trees	3300	x298
1718C	Tonya and Burenka-179 data structures, greedy, math, number theory	2400	x1554
1717F	Madoka and The First Session constructive algorithms, flows, graph matchings, graphs, implementation	2500	x525
1716F	Bags with Balls combinatorics, dp, math, number theory	2500	x1018
1716E	Swap and Maximum Block bitmasks, data structures, dfs and similar, divide and conquer, dp	2500	x1046
1715F	Crop Squares constructive algorithms, geometry, interactive, math	2700	x511
1715E	Long Way Home data structures, divide and conquer, dp, geometry, graphs, greedy, shortest paths	2400	x1668
1713F	Lost Array bitmasks, combinatorics, constructive algorithms, dp, math	2900	x524
1713E	Cross Swapping 2-sat, data structures, dsu, greedy, matrices	2400	x1550
1712F	Triameter binary search, data structures, dfs and similar, trees	3200	x309
1712E2	LCM Sum (hard version) brute force, data structures, math, number theory, two pointers	2500	x1238
1710E	Two Arrays binary search, games, graph matchings	2400	x489
1710D	Recover the Tree constructive algorithms, trees	3400	x415
1710C	XOR Triangle bitmasks, brute force, constructive algorithms, dp, greedy, math	2500	x1324
1709F	Multiset of Strings bitmasks, brute force, dp, fft, flows, graphs, math, meet-in-the-middle, trees	2500	x539
1709E	XOR Tree bitmasks, data structures, dfs and similar, dsu, greedy, trees	2400	x2571
1707F	Bugaboo bitmasks, constructive algorithms, dp, number theory	3500	x148
1707E	Replace binary search, data structures	3500	x578
1707D	Partial Virtual Trees combinatorics, dfs and similar, dp, math, trees	3000	x598
1707C	DFS Trees dfs and similar, dsu, graphs, greedy, sortings, trees	2400	x1461
1706D2	Chopping Carrots (Hard Version) brute force, constructive algorithms, data structures, dp, greedy, math, number theory, two pointers	2400	x1678
1705F	Mark and the Online Exam bitmasks, constructive algorithms, interactive, probabilities	2900	x589
1704H2	Game of AI (hard version) combinatorics, fft, math	3500	x80
1704H1	Game of AI (easy version) combinatorics, constructive algorithms, dp, fft, math	3200	x177
1704G	Mio and Lucky Array constructive algorithms, fft, math, strings	3500	x103
1704F	Colouring Game constructive algorithms, dp, games	2600	x951
1701F	Points combinatorics, data structures, implementation, math, matrices	2500	x910
1701E	Text Editor brute force, dp, greedy, strings	2500	x1093
1700F	Puzzle constructive algorithms, dp, greedy	2600	x872
1700E	Serega the Pirate brute force, constructive algorithms	2600	x841
1699E	Three Days Grace data structures, dp, greedy, math, number theory, two pointers	2600	x1120
1698G	Long Binary String bitmasks, math, matrices, meet-in-the-middle, number theory	2900	x308
1698F	Equal Reversal constructive algorithms, graphs, implementation, math	2800	x608
1697F	Too Many Constraints 2-sat, constructive algorithms, graphs, implementation	2800	x547
1697E	Coloring brute force, combinatorics, constructive algorithms, dp, geometry, graphs, greedy, implementation, math	2400	x1166
1696H	Maximum Product? brute force, combinatorics, dp, greedy, implementation, math, two pointers	3500	x159
1696G	Fishingprince Plays With Array Again brute force, data structures, geometry, math	3300	x269
1696F	Tree Recovery brute force, constructive algorithms, dfs and similar, dsu, graphs, trees	2600	x864
1695E	Ambiguous Dominoes constructive algorithms, dfs and similar, graphs	2700	x440
1693F	I Might Be Wrong binary search, greedy, two pointers	3400	x391
1693E	Outermost Maximums data structures, greedy	3400	x411
1693D	Decinc Dividing brute force, data structures, divide and conquer, dp, greedy	2800	x800
1691F	K-Set Tree combinatorics, dfs and similar, dp, math, trees	2500	x942
1689E	ANDfinity bitmasks, brute force, constructive algorithms, dfs and similar, dsu, graphs	2500	x1186
1687F	Koishi's Unconscious Permutation fft, math	3500	x82
1687E	Become Big For Me combinatorics, constructive algorithms, greedy, math, number theory	3500	x222
1687D	Cute number binary search, brute force, data structures, dsu, implementation, math	2900	x567
1687C	Sanae and Giant Robot binary search, brute force, data structures, dsu, greedy, sortings	2500	x1357