Problemset - Codeforces

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Codeforces Round 968 (Div. 2)
36:13:57
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Problems

#	Name
1832E	Combinatorics Problem brute force, combinatorics, dp	2200	x2135
1830F	The Third Grace data structures, dp	3200	x242
1830D	Mex Tree brute force, dp, trees	2800	x651
1827C	Palindrome Partition binary search, brute force, data structures, dp, hashing, strings	2600	x1182
1827B2	Range Sorting (Hard Version) binary search, data structures, dp, greedy	2400	x1842
1827B1	Range Sorting (Easy Version) binary search, dp, dsu, greedy, trees, two pointers	2000	x3819
1826E	Walk the Runway bitmasks, brute force, data structures, dp, graphs, implementation, sortings	2400	x1571
1824C	LuoTianyi and XOR-Tree data structures, dfs and similar, dp, dsu, greedy, trees	2500	x1367
1823F	Random Walk dp, graphs, math, probabilities, trees	2600	x848
1823E	Removing Graph brute force, dp, games, graphs, math	2500	x1216
1821F	Timber combinatorics, dp, fft, math	2600	x734
1821E	Rearrange Brackets brute force, dp, greedy, sortings, strings	2100	x2338
1819F	Willy-nilly, Crack, Into Release! data structures, dp	3500	x129
1819D	Misha and Apples brute force, data structures, dp, two pointers	2800	x622
1819C	The Fox and the Complete Tree Traversal constructive algorithms, dp, implementation, math, trees	2400	x1441
1815E	Bosco and Particle dp, math, number theory, strings	3100	x337
1815D	XOR Counting bitmasks, combinatorics, dp, math	2600	x1111
1814E	Chain Chips data structures, dp, matrices	2300	x1308
1811G2	Vlad and the Nice Paths (hard version) binary search, combinatorics, data structures, dp, math, two pointers	2200	x1713
1811G1	Vlad and the Nice Paths (easy version) combinatorics, dp, math	2100	x2030
1810G	The Maximum Prefix dp	3200	x692
1809G	Prediction combinatorics, dp, math	2800	x435
1809E	Two Tanks binary search, dp, implementation, math	2400	x820
1808E3	Minibuses on Venus (hard version) brute force, combinatorics, dp, math	2800	x432
1808E2	Minibuses on Venus (medium version) combinatorics, divide and conquer, dp, matrices	2500	x677
1808E1	Minibuses on Venus (easy version) combinatorics, divide and conquer, dp	2200	x1310
1808C	Unlucky Numbers brute force, dp, greedy, implementation	1900	x3733
1806D	DSU Master combinatorics, dp, dsu, math	2500	x876
1805E	There Should Be a Lot of Maximums brute force, data structures, dfs and similar, dp, trees, two pointers	2300	x1584
1805D	A Wide, Wide Graph dfs and similar, dp, graphs, greedy, trees	1800	x6410
1804H	Code Lock bitmasks, dp	3300	x182
1804E	Routing bitmasks, brute force, dfs and similar, dp, graphs	2400	x1414
1804D	Accommodation brute force, dp, greedy, implementation	2000	x4570
1801F	Another n-dimensional chocolate bar dp, math, meet-in-the-middle, number theory	2700	x568
1801D	The way home binary search, data structures, dp, graphs, greedy, shortest paths, sortings	2100	x2155
1801C	Music Festival binary search, data structures, dp, greedy, sortings	1900	x3370
1799H	Tree Cutting bitmasks, dfs and similar, dp	3200	x278
1799G	Count Voting combinatorics, dp, math	2600	x738
1799F	Halve or Subtract binary search, brute force, dp, greedy, sortings	2700	x808
1799D2	Hot Start Up (hard version) data structures, dp	2100	x2410
1799D1	Hot Start Up (easy version) dp	1900	x4377
1798F	Gifts from Grandfather Ahmed dp, math, number theory	2500	x483
1798E	Multitest Generator brute force, dp	2300	x1568
1797D	Li Hua and Tree brute force, data structures, dfs and similar, dp, implementation, trees	1900	x3893
1796E	Colored Subgraphs dfs and similar, dp, games, greedy, trees	2500	x740
1796D	Maximum Subarray data structures, dp, greedy, two pointers	2000	x4200
1795E	Explosions? binary search, data structures, dp, greedy, math	2200	x1988
1794E	Labeling the Tree with Distances data structures, dp, greedy, hashing, implementation, trees	2400	x1065
1794D	Counting Factorizations combinatorics, divide and conquer, dp, math, number theory	1900	x3516
1793E	Velepin and Marketing binary search, data structures, dp, greedy, sortings, two pointers	2600	x965
1793D	Moscow Gorillas binary search, dp, greedy, implementation, math, two pointers	1800	x6022
1792F2	Graph Coloring (hard version) brute force, combinatorics, divide and conquer, dp, fft, graphs	2900	x382
1792F1	Graph Coloring (easy version) combinatorics, dp, graphs	2700	x701
1792E	Divisors and Table brute force, dfs and similar, dp, number theory	2400	x1370
1789F	Serval and Brain Power bitmasks, brute force, dp, greedy, implementation, strings	2700	x700
1789E	Serval and Music Game brute force, dp, implementation, math, number theory	2500	x801
1788E	Sum Over Zero data structures, dfs and similar, dp	2200	x2622
1787H	Codeforces Scoreboard binary search, data structures, dp, geometry	3300	x225
1784E	Infinite Game brute force, combinatorics, dp, games, probabilities	3100	x316
1784D	Wooden Spoon combinatorics, dp	2400	x995
1783D	Different Arrays brute force, dp, implementation	2000	x4353
1781F	Bracket Insertion combinatorics, dp, math, trees	2700	x834
1780F	Three Chairs bitmasks, brute force, combinatorics, data structures, dp, number theory, sortings	2300	x1440
1779F	Xorcerer's Stones bitmasks, constructive algorithms, dp, trees	2500	x1251
1778F	Maximizing Root dfs and similar, dp, graphs, math, number theory, trees	2600	x638
1778D	Flexible String Revisit combinatorics, dp, math, probabilities	2100	x2695
1777D	Score of a Tree bitmasks, combinatorics, dfs and similar, dp, math, probabilities, trees	1900	x3420
1776M	Parmigiana With Seafood binary search, dp, greedy, trees	3000	x367
1776K	Uniform Chemistry dp, math	3200	x65
1776E	Crossing the Railways data structures, dp	3500	x68
1776B	Vittorio Plays with LEGO Bricks dp, geometry	2200	x1308
1775F	Laboratory on Pluto constructive algorithms, dp, greedy, math	2500	x757
1774G	Segment Covering brute force, combinatorics, constructive algorithms, data structures, dp, trees	3200	x435
1774E	Two Chess Pieces dfs and similar, dp, greedy, trees	1900	x3443
1773L	Lisa's Sequences dp	3500	x41
1773G	Game of Questions bitmasks, combinatorics, dp, fft, math, probabilities	2800	x354
1771E	Hossam and a Letter brute force, dp, implementation, two pointers	2500	x680
1771D	Hossam and (sub-)palindromic tree brute force, data structures, dfs and similar, dp, strings, trees	2100	x2713
1770F	Koxia and Sequence bitmasks, combinatorics, dp, math, number theory	3100	x656
1770E	Koxia and Tree combinatorics, dfs and similar, dp, dsu, math, probabilities, trees	2400	x1338
1769D1	Игра в Девятку I *special problem, brute force, dp	1800	x375
1768F	Wonderful Jump dp, greedy	2900	x821
1767E	Algebra Flash bitmasks, brute force, dp, graphs, math, meet-in-the-middle, trees	2500	x891
1767C	Count Binary Strings data structures, dp	2100	x2607
1766E	Decomposition binary search, brute force, data structures, divide and conquer, dp, two pointers	2300	x1167
1765F	Chemistry Lab dp, geometry, probabilities	2200	x592
1765C	Card Guessing combinatorics, dp, probabilities	2600	x380
1764E	Doremy's Number Line dp, greedy, sortings	2400	x1214
1764D	Doremy's Pegging Game combinatorics, dp, math	2000	x2724
1763F	Edge Queries data structures, dfs and similar, dp, dsu, graphs, trees	3000	x470
1763E	Node Pairs dp, graphs, math, number theory	2200	x1773
1763D	Valid Bitonic Permutations combinatorics, dp, implementation, math, number theory	2200	x2009
1762F	Good Pairs binary search, data structures, dp	2600	x594
1761F2	Anti-median (Hard Version) combinatorics, dp, math	3500	x80
1761F1	Anti-median (Easy Version) dp, math	3100	x205
1753C	Wish I Knew How to Sort dp, math, probabilities	2000	x4338
1750H	BinaryStringForces constructive algorithms, data structures, dp	3500	x81
1750G	Doping combinatorics, dp, math	3300	x243
1750F	Majority combinatorics, dp, math, strings	2700	x898
1750E	Bracket Cost binary search, data structures, divide and conquer, dp, greedy, strings	2400	x1393