Problemset - Codeforces

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Codeforces Round 973 (Div. 2)
16:59:06
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Problems

#	Name
1742F	Smaller constructive algorithms, greedy, strings	1500	x11597
1741E	Sending a Sequence Over the Network dp	1600	x12119
1741D	Masha and a Beautiful Tree dfs and similar, divide and conquer, graphs, sortings, trees	1300	x15163
1740D	Knowledge Cards constructive algorithms, data structures	1500	x8036
1740C	Bricks and Bags constructive algorithms, games, greedy, sortings	1400	x10981
1739C	Card Game combinatorics, constructive algorithms, dp, games	1500	x9050
1738C	Even Number Addicts dp, games, greedy, math	1500	x11123
1737C	Ela and Crickets constructive algorithms, games, implementation, math	1500	x5729
1737B	Ela's Fitness and the Luxury Number binary search, implementation, math	1300	x9377
1736C1	Good Subarrays (Easy Version) binary search, data structures, schedules, two pointers	1300	x14965
1735D	Meta-set brute force, combinatorics, data structures, hashing, math	1700	x5470
1735C	Phase Shift dfs and similar, dsu, graphs, greedy, implementation, strings	1400	x9869
1733D1	Zero-One (Easy Version) constructive algorithms, greedy, math	1400	x13391
1733C	Parity Shuffle Sorting constructive algorithms, sortings	1300	x15540
1732D1	Balance (Easy version) brute force, data structures, implementation, number theory	1500	x8628
1731D	Valiant's New Map binary search, brute force, data structures, dp, two pointers	1700	x7089
1731C	Even Subarrays bitmasks, brute force, hashing, math, number theory	1700	x9460
1730B	Meeting on the Line binary search, geometry, greedy, implementation, math, ternary search	1600	x12576
1728C	Digital Logarithm data structures, greedy, sortings	1400	x15828
1726C	Jatayu's Balanced Bracket Sequence data structures, dsu, graphs, greedy	1300	x12319
1725G	Garage binary search, geometry, math	1500	x5828
1722G	Even-Odd XOR bitmasks, constructive algorithms, greedy	1500	x11227
1722F	L-shapes dfs and similar, implementation	1700	x6898
1722E	Counting Rectangles brute force, data structures, dp, implementation	1600	x10736
1721C	Min-Max Array Transformation binary search, greedy, two pointers	1400	x13322
1719C	Fighting Tournament binary search, data structures, implementation, two pointers	1400	x13176
1717C	Madoka and Formal Statement greedy	1300	x14616
1715C	Monoblock combinatorics, data structures, implementation, math	1700	x8600
1714G	Path Prefixes binary search, data structures, dfs and similar, trees	1700	x7536
1714E	Add Modulo 10 brute force, math, number theory	1400	x16452
1714D	Color with Occurrences brute force, data structures, dp, greedy, strings	1600	x9038
1711B	Party brute force, graphs	1300	x13384
1710A	Color the Picture constructive algorithms, greedy, math	1500	x10866
1709D	Rorororobot binary search, data structures, greedy, math	1700	x8378
1707A	Doremy's IQ binary search, constructive algorithms, greedy, implementation	1600	x13511
1706D1	Chopping Carrots (Easy Version) binary search, brute force, constructive algorithms, greedy, number theory	1700	x6907
1706C	Qpwoeirut And The City dp, flows, greedy, implementation	1400	x14832
1705C	Mark and His Unfinished Essay brute force, implementation	1400	x13311
1703G	Good Key, Bad Key bitmasks, brute force, dp, greedy, math	1600	x10584
1703F	Yet Another Problem About Pairs Satisfying an Inequality binary search, data structures, dp, greedy, sortings	1300	x19839
1702F	Equate Multisets constructive algorithms, data structures, greedy, math, number theory	1700	x8347
1702E	Split Into Two Sets dfs and similar, dsu, graphs	1600	x13222
1701C	Schedule Management binary search, greedy, implementation, two pointers	1400	x16875
1700C	Helping the Nature constructive algorithms, data structures, greedy	1700	x10877
1699C	The Third Problem combinatorics, constructive algorithms, math	1700	x9737
1698D	Fixed Point Guessing binary search, constructive algorithms, interactive	1600	x9241
1698C	3SUM Closure brute force, data structures	1300	x18451
1697C	awoo's Favorite Problem binary search, constructive algorithms, data structures, greedy, implementation, strings, two pointers	1400	x14312
1696C	Fishingprince Plays With Array constructive algorithms, greedy, implementation, math	1400	x11571
1695C	Zero Path brute force, data structures, dp, graphs, greedy, shortest paths	1700	x10883
1693B	Fake Plastic Trees dfs and similar, dp, greedy, trees	1700	x8417
1693A	Directional Increase greedy	1300	x16084
1692H	Gambling data structures, dp, greedy, math	1700	x7424
1692G	2^Sort data structures, dp, sortings, two pointers	1400	x17543
1692F	3SUM brute force, math	1300	x22601
1691C	Sum of Substrings brute force, constructive algorithms, greedy, math, strings	1400	x15592
1690F	Shifting String graphs, math, number theory, strings	1700	x7128
1690E	Price Maximization binary search, greedy, math, two pointers	1500	x15134
1689C	Infected Tree dfs and similar, dp, trees	1600	x11158
1688C	Manipulating History constructive algorithms, greedy, strings	1700	x8121
1687B	Railway System constructive algorithms, graphs, greedy, interactive, sortings	1700	x3614
1687A	The Enchanted Forest brute force, greedy	1600	x10338
1684D	Traps constructive algorithms, greedy, sortings	1700	x9636
1684C	Column Swapping brute force, constructive algorithms, greedy, implementation, sortings	1400	x12284
1682C	LIS or Reverse LIS? constructive algorithms, greedy, implementation, math	1400	x14689
1681D	Required Length brute force, dfs and similar, dp, hashing, shortest paths	1700	x9584
1680C	Binary String binary search, greedy, strings, two pointers	1600	x9893
1679C	Rooks Defenders data structures, implementation	1400	x10271
1677B	Tokitsukaze and Meeting data structures, implementation, math	1700	x4164
1677A	Tokitsukaze and Strange Inequality brute force, data structures, dp	1600	x8403
1676H2	Maximum Crossings (Hard Version) data structures, divide and conquer, sortings	1500	x10677
1676H1	Maximum Crossings (Easy Version) brute force	1400	x13967
1676G	White-Black Balanced Subtrees dfs and similar, dp, graphs, trees	1300	x15520
1676F	Longest Strike data structures, greedy, implementation, sortings, two pointers	1300	x16647
1675E	Replace With the Previous, Minimize dsu, greedy, strings	1500	x10575
1675D	Vertical Paths graphs, implementation, trees	1300	x12988
1673C	Palindrome Basis brute force, dp, math, number theory	1500	x12661
1672D	Cyclic Rotation constructive algorithms, greedy, implementation, two pointers	1700	x6213
1671D	Insert a Progression brute force, constructive algorithms, greedy	1600	x7624
1670D	Very Suspicious binary search, brute force, geometry, greedy, implementation, math	1700	x5096
1670C	Where is the Pizza? data structures, dfs and similar, dsu, graphs, implementation, math	1400	x9916
1669H	Maximal AND bitmasks, greedy, math	1300	x18350
1667A	Make it Increasing brute force, greedy, math	1300	x14671
1665C	Tree Infection binary search, greedy, sortings, trees	1600	x8340
1661C	Water the Trees binary search, greedy, math	1700	x9300
1661B	Getting Zero bitmasks, brute force, dfs and similar, dp, graphs, greedy, shortest paths	1300	x17664
1660F1	Promising String (easy version) brute force, implementation, math, strings	1700	x7228
1660E	Matrix and Shifts brute force, constructive algorithms, greedy, implementation	1600	x7279
1660D	Maximum Product Strikes Back brute force, implementation, math, two pointers	1600	x8626
1660C	Get an Even String dp, greedy, strings	1300	x19497
1659C	Line Empire binary search, brute force, dp, greedy, implementation, math	1500	x10433
1659B	Bit Flipping bitmasks, constructive algorithms, greedy, strings	1300	x10907
1658D1	388535 (Easy Version) bitmasks, math	1600	x9036
1658C	Shinju and the Lost Permutation constructive algorithms, math	1700	x9291
1654C	Alice and the Cake data structures, greedy, implementation, sortings	1400	x13441
1651C	Fault-tolerant Network brute force, data structures, implementation	1500	x10690
1650D	Twist the Permutation brute force, constructive algorithms, implementation, math	1300	x12985
1649B	Game of Ball Passing greedy, implementation	1300	x12995
1648A	Weird Sum combinatorics, data structures, geometry, math, matrices, sortings	1400	x12694
1647C	Madoka and Childish Pranks constructive algorithms, greedy	1300	x12575