Problemset - Codeforces

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Codeforces Round 950 (Div. 3)
25:05:58
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Problems

#	Name
1778F	Maximizing Root dfs and similar, dp, graphs, math, number theory, trees	2600	x604
1778D	Flexible String Revisit combinatorics, dp, math, probabilities	2100	x2579
1777D	Score of a Tree bitmasks, combinatorics, dfs and similar, dp, math, probabilities, trees	1900	x3250
1776M	Parmigiana With Seafood binary search, dp, greedy, trees	3000	x355
1776K	Uniform Chemistry dp, math	3200	x65
1776E	Crossing the Railways data structures, dp	3500	x63
1776B	Vittorio Plays with LEGO Bricks dp, geometry	2200	x1251
1775F	Laboratory on Pluto constructive algorithms, dp, greedy, math	2500	x745
1774G	Segment Covering brute force, combinatorics, constructive algorithms, data structures, dp, trees	3200	x394
1774E	Two Chess Pieces dfs and similar, dp, greedy, trees	1900	x3331
1774C	Ice and Fire constructive algorithms, dp, greedy	1300	x11640
1773L	Lisa's Sequences dp	3500	x29
1773G	Game of Questions bitmasks, combinatorics, dp, fft, math, probabilities	2800	x324
1771E	Hossam and a Letter brute force, dp, implementation, two pointers	2500	x665
1771D	Hossam and (sub-)palindromic tree brute force, data structures, dfs and similar, dp, strings, trees	2100	x2615
1771B	Hossam and Friends binary search, constructive algorithms, dp, two pointers	1400	x13114
1770F	Koxia and Sequence bitmasks, combinatorics, dp, math, number theory	3100	x622
1770E	Koxia and Tree combinatorics, dfs and similar, dp, dsu, math, probabilities, trees	2400	x1305
1769D1	Игра в Девятку I *special problem, brute force, dp	1800	x370
1769C2	Подкрутка II *special problem, dp	1300	x919
1769C1	Подкрутка I *special problem, brute force, dp, greedy	1200	x933
1768F	Wonderful Jump dp, greedy	2900	x792
1767E	Algebra Flash bitmasks, brute force, dp, graphs, math, meet-in-the-middle, trees	2500	x848
1767D	Playoff combinatorics, constructive algorithms, dp, greedy, math	1500	x9505
1767C	Count Binary Strings data structures, dp	2100	x2535
1766E	Decomposition binary search, brute force, data structures, divide and conquer, dp, two pointers	2300	x1141
1766C	Hamiltonian Wall dp, implementation	1300	x13193
1765F	Chemistry Lab dp, geometry, probabilities	2200	x589
1765C	Card Guessing combinatorics, dp, probabilities	2600	x369
1764E	Doremy's Number Line dp, greedy, sortings	2400	x1188
1764D	Doremy's Pegging Game combinatorics, dp, math	2000	x2656
1763F	Edge Queries data structures, dfs and similar, dp, dsu, graphs, trees	3000	x421
1763E	Node Pairs dp, graphs, math, number theory	2200	x1709
1763D	Valid Bitonic Permutations combinatorics, dp, implementation, math, number theory	2200	x1970
1762F	Good Pairs binary search, data structures, dp	2600	x568
1761F2	Anti-median (Hard Version) combinatorics, dp, math	3500	x78
1761F1	Anti-median (Easy Version) dp, math	3100	x203
1759E	The Humanoid brute force, dp, sortings	1500	x10097
1753C	Wish I Knew How to Sort dp, math, probabilities	2000	x4204
1753A2	Make Nonzero Sum (hard version) constructive algorithms, dp, greedy	1500	x9878
1753A1	Make Nonzero Sum (easy version) constructive algorithms, dp, greedy	1300	x14405
1750H	BinaryStringForces constructive algorithms, data structures, dp	3500	x74
1750G	Doping combinatorics, dp, math	3300	x226
1750F	Majority combinatorics, dp, math, strings	2700	x865
1750E	Bracket Cost binary search, data structures, divide and conquer, dp, greedy, strings	2400	x1369
1749D	Counting Arrays combinatorics, dp, math, number theory	1900	x5330
1748E	Yet Another Array Counting Problem binary search, data structures, divide and conquer, dp, flows, math, trees	2300	x1747
1748C	Zero-Sum Prefixes brute force, data structures, dp, greedy, implementation	1600	x10568
1747E	List Generation combinatorics, dp, math	2900	x489
1746G	Olympiad Training binary search, data structures, dp, flows, geometry, implementation, sortings	3500	x89
1746E2	Joking (Hard Version) dp, interactive	3200	x377
1746D	Paths on the Tree dfs and similar, dp, greedy, sortings, trees	1900	x4446
1743G	Antifibonacci Cut bitmasks, combinatorics, constructive algorithms, data structures, dp, hashing, math	3000	x247
1743F	Intersection and Union data structures, dp, matrices, probabilities	2300	x1434
1743E	FTL binary search, dp	2400	x1492
1743D	Problem with Random Tests brute force, dp, greedy, probabilities	1700	x7358
1743C	Save the Magazines constructive algorithms, dp, greedy	1100	x18722
1741G	Kirill and Company bitmasks, brute force, dfs and similar, dp, flows, graphs, shortest paths	2200	x1437
1741E	Sending a Sequence Over the Network dp	1600	x11023
1740I	Arranging Crystal Balls data structures, divide and conquer, divide and conquer, dp, geometry, graphs, number theory	3500	x106
1740F	Conditional Mix combinatorics, dp, math	2600	x766
1740E	Hanging Hearts constructive algorithms, data structures, dfs and similar, dp, greedy, trees	1800	x4139
1739F	Keyboard Design bitmasks, data structures, dp, string suffix structures, strings	2600	x516
1739E	Cleaning Robot bitmasks, dp	2400	x1180
1739C	Card Game combinatorics, constructive algorithms, dp, games	1500	x8780
1738G	Anti-Increasing Addicts constructive algorithms, dp, greedy, math	2900	x373
1738E	Balance Addicts combinatorics, dp, math, two pointers	2300	x1472
1738C	Even Number Addicts dp, games, greedy, math	1500	x10651
1737E	Ela Goes Hiking combinatorics, dp, math, probabilities	2500	x895
1737D	Ela and the Wiring Wizard brute force, dp, graphs, greedy, implementation, shortest paths	2200	x1817
1736E	Swap and Take dp, greedy	2600	x653
1736C2	Good Subarrays (Hard Version) binary search, data structures, dp, two pointers	2400	x1246
1734F	Zeros and Ones bitmasks, divide and conquer, dp, math	2500	x775
1734D	Slime Escape data structures, dp, greedy, two pointers	1800	x6066
1733E	Conveyor constructive algorithms, dp, math	2700	x1100
1733D2	Zero-One (Hard Version) dp, greedy	2000	x4021
1732E	Location data structures, dp, math, number theory	2800	x415
1732B	Ugu brute force, dp, greedy, implementation	900	x14291
1731F	Function Sum brute force, combinatorics, dp, fft, math	2500	x663
1731E	Graph Cost dp, greedy, math, number theory	2000	x2686
1731D	Valiant's New Map binary search, brute force, data structures, dp, two pointers	1700	x6804
1730F	Almost Sorted bitmasks, data structures, dp	2700	x413
1729G	Cut Substrings combinatorics, dp, hashing, strings, two pointers	2100	x2073
1728G	Illumination binary search, bitmasks, brute force, combinatorics, dp, math, two pointers	2700	x429
1728D	Letter Picking constructive algorithms, dp, games, two pointers	1800	x6923
1725M	Moving Both Hands dp, graphs, shortest paths	1800	x2881
1725J	Journey dp, trees	2500	x362
1725E	Electrical Efficiency combinatorics, data structures, dp, math, number theory, trees	2500	x437
1722E	Counting Rectangles brute force, data structures, dp, implementation	1600	x10177
1721E	Prefix Function Queries dfs and similar, dp, hashing, string suffix structures, strings, trees	2200	x1829
1720D2	Xor-Subsequence (hard version) bitmasks, data structures, dp, strings, trees	2400	x1760
1720D1	Xor-Subsequence (easy version) bitmasks, brute force, dp, strings, trees, two pointers	1800	x5763
1718A2	Burenka and Traditions (hard version) data structures, dp, greedy	1900	x5034
1718A1	Burenka and Traditions (easy version) dp, greedy	1800	x5534
1716F	Bags with Balls combinatorics, dp, math, number theory	2500	x1006
1716E	Swap and Maximum Block bitmasks, data structures, dfs and similar, divide and conquer, dp	2500	x1027
1716D	Chip Move brute force, dp, math	2000	x5022
1716C	Robot in a Hallway data structures, dp, greedy, implementation, ternary search	2000	x4032
1715E	Long Way Home data structures, divide and conquer, dp, geometry, graphs, greedy, shortest paths	2400	x1621
1714D	Color with Occurrences brute force, data structures, dp, greedy, strings	1600	x8784