Problemset - Codeforces

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Codeforces Round 987 (Div. 2)
02:54:08
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Problems

#	Name
1715A	Crossmarket constructive algorithms, greedy, math	800	x23597
1714D	Color with Occurrences brute force, data structures, dp, greedy, strings	1600	x9159
1714C	Minimum Varied Number greedy	800	x31172
1714B	Remove Prefix data structures, greedy, implementation	800	x30574
1713E	Cross Swapping 2-sat, data structures, dsu, greedy, matrices	2400	x1707
1713D	Tournament Countdown constructive algorithms, greedy, interactive, number theory, probabilities	1800	x5719
1713A	Traveling Salesman Problem geometry, greedy, implementation	800	x22035
1712D	Empty Graph binary search, constructive algorithms, data structures, greedy, shortest paths	2000	x4565
1712C	Sort Zero greedy, sortings	1100	x19929
1712B	Woeful Permutation constructive algorithms, greedy, number theory	800	x21653
1712A	Wonderful Permutation greedy, implementation	800	x24151
1710C	XOR Triangle bitmasks, brute force, constructive algorithms, dp, greedy, math	2500	x1391
1710B	Rain binary search, brute force, data structures, geometry, greedy, implementation, math	2100	x2494
1710A	Color the Picture constructive algorithms, greedy, math	1500	x10963
1709E	XOR Tree bitmasks, data structures, dfs and similar, dsu, greedy, trees	2400	x2770
1709D	Rorororobot binary search, data structures, greedy, math	1700	x8480
1709C	Recover an RBS constructive algorithms, greedy, implementation, strings	1800	x8915
1709A	Three Doors brute force, greedy, implementation, math	800	x29733
1708A	Difference Operations greedy, math	800	x21828
1707C	DFS Trees dfs and similar, dsu, graphs, greedy, sortings, trees	2400	x1533
1707A	Doremy's IQ binary search, constructive algorithms, greedy, implementation	1600	x13722
1706E	Qpwoeirut and Vertices binary search, data structures, dfs and similar, divide and conquer, dsu, greedy, trees	2300	x2769
1706D2	Chopping Carrots (Hard Version) brute force, constructive algorithms, data structures, dp, greedy, math, number theory, two pointers	2400	x1722
1706D1	Chopping Carrots (Easy Version) binary search, brute force, constructive algorithms, greedy, number theory	1700	x7031
1706C	Qpwoeirut And The City dp, flows, greedy, implementation	1400	x14985
1706B	Making Towers dp, greedy, math	1100	x16612
1706A	Another String Minimization Problem 2-sat, constructive algorithms, greedy, string suffix structures, strings	800	x23011
1705E	Mark and Professor Koro binary search, bitmasks, brute force, combinatorics, data structures, greedy	2300	x2106
1705D	Mark and Lightbulbs combinatorics, constructive algorithms, greedy, math, sortings	1800	x6378
1705B	Mark the Dust Sweeper constructive algorithms, greedy, implementation	900	x23108
1705A	Mark the Photographer greedy, sortings	800	x25331
1704C	Virus greedy, implementation, sortings	1200	x16128
1704B	Luke is a Foodie brute force, greedy, implementation	1000	x18469
1704A	Two 0-1 Sequences constructive algorithms, greedy	800	x16045
1703G	Good Key, Bad Key bitmasks, brute force, dp, greedy, math	1600	x10820
1703F	Yet Another Problem About Pairs Satisfying an Inequality binary search, data structures, dp, greedy, sortings	1300	x20439
1702F	Equate Multisets constructive algorithms, data structures, greedy, math, number theory	1700	x8461
1702D	Not a Cheap String greedy	1000	x23836
1702C	Train and Queries data structures, greedy	1100	x22606
1702B	Polycarp Writes a String from Memory greedy	800	x27769
1701E	Text Editor brute force, dp, greedy, strings	2500	x1140
1701D	Permutation Restoration binary search, data structures, greedy, math, sortings, two pointers	1900	x5725
1701C	Schedule Management binary search, greedy, implementation, two pointers	1400	x17324
1701B	Permutation greedy	800	x20238
1700F	Puzzle constructive algorithms, dp, greedy	2600	x941
1700D	River Locks binary search, dp, greedy, math	1900	x6157
1700C	Helping the Nature constructive algorithms, data structures, greedy	1700	x10990
1700A	Optimal Path constructive algorithms, greedy, math	800	x22943
1699E	Three Days Grace data structures, dp, greedy, math, number theory, two pointers	2600	x1186
1699D	Almost Triple Deletions data structures, dp, greedy	2300	x3164
1698E	PermutationForces II brute force, combinatorics, greedy, sortings, trees, two pointers	2300	x1657
1698B	Rising Sand constructive algorithms, greedy, implementation	800	x20977
1697E	Coloring brute force, combinatorics, constructive algorithms, dp, geometry, graphs, greedy, implementation, math	2400	x1238
1697C	awoo's Favorite Problem binary search, constructive algorithms, data structures, greedy, implementation, strings, two pointers	1400	x14462
1697B	Promo greedy, sortings	900	x26910
1697A	Parkway Walk greedy, implementation	800	x25796
1696H	Maximum Product? brute force, combinatorics, dp, greedy, implementation, math, two pointers	3500	x164
1696D	Permutation Graph binary search, constructive algorithms, data structures, divide and conquer, greedy, shortest paths	1900	x5496
1696C	Fishingprince Plays With Array constructive algorithms, greedy, implementation, math	1400	x11694
1696B	NIT Destroys the Universe greedy	900	x21844
1696A	NIT orz! bitmasks, greedy	800	x18875
1695D2	Tree Queries (Hard Version) constructive algorithms, dfs and similar, dp, greedy, trees	2300	x2023
1695D1	Tree Queries (Easy Version) brute force, constructive algorithms, dfs and similar, dp, greedy, trees	2200	x2198
1695C	Zero Path brute force, data structures, dp, graphs, greedy, shortest paths	1700	x11017
1695B	Circle Game games, greedy	1000	x18568
1694B	Paranoid String constructive algorithms, greedy	1200	x19240
1694A	Creep greedy, implementation	800	x22713
1693F	I Might Be Wrong binary search, greedy, two pointers	3400	x418
1693E	Outermost Maximums data structures, greedy	3400	x431
1693D	Decinc Dividing brute force, data structures, divide and conquer, dp, greedy	2800	x852
1693C	Keshi in Search of AmShZ graphs, greedy, shortest paths	2300	x2647
1693B	Fake Plastic Trees dfs and similar, dp, greedy, trees	1700	x8553
1693A	Directional Increase greedy	1300	x16232
1692H	Gambling data structures, dp, greedy, math	1700	x7541
1692B	All Distinct greedy, sortings	800	x34498
1691E	Number of Groups data structures, dfs and similar, dsu, graphs, greedy, sortings	2300	x1852
1691C	Sum of Substrings brute force, constructive algorithms, greedy, math, strings	1400	x15749
1691B	Shoe Shuffling constructive algorithms, greedy, implementation, two pointers	1000	x23483
1691A	Beat The Odds brute force, greedy, math	800	x30651
1690G	Count the Trains binary search, data structures, greedy, sortings	2000	x3426
1690E	Price Maximization binary search, greedy, math, two pointers	1500	x15326
1690C	Restoring the Duration of Tasks data structures, greedy, implementation	800	x26295
1690B	Array Decrements greedy, implementation	800	x25534
1690A	Print a Pedestal (Codeforces logo?) constructive algorithms, greedy	800	x33694
1689B	Mystic Permutation data structures, greedy	900	x17599
1689A	Lex String brute force, greedy, implementation, sortings, two pointers	800	x16824
1688C	Manipulating History constructive algorithms, greedy, strings	1700	x8195
1688B	Patchouli's Magical Talisman bitmasks, constructive algorithms, greedy, sortings	800	x18331
1687E	Become Big For Me combinatorics, constructive algorithms, greedy, math, number theory	3500	x232
1687C	Sanae and Giant Robot binary search, brute force, data structures, dsu, greedy, sortings	2500	x1435
1687B	Railway System constructive algorithms, graphs, greedy, interactive, sortings	1700	x3674
1687A	The Enchanted Forest brute force, greedy	1600	x10454
1686B	Odd Subarrays dp, greedy	800	x18327
1686A	Everything Everywhere All But One greedy	800	x20520
1685E	The Ultimate LIS Problem data structures, greedy	3500	x151
1685D2	Permutation Weight (Hard Version) constructive algorithms, greedy	3500	x108
1685C	Bring Balance brute force, constructive algorithms, greedy	2600	x1089
1685B	Linguistics greedy, implementation, sortings, strings	2000	x3296
1685A	Circular Local MiniMax constructive algorithms, greedy, sortings	1100	x17203
1684E	MEX vs DIFF binary search, brute force, constructive algorithms, data structures, greedy, two pointers	2100	x3192