Problemset - Codeforces

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Codeforces Round 950 (Div. 3)
21:10:12
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Problems

#	Name
1736A	Make A Equal to B brute force, greedy, sortings	800	x22481
1734A	Select Three Sticks brute force, greedy, sortings	800	x20829
1733C	Parity Shuffle Sorting constructive algorithms, sortings	1300	x15183
1733A	Consecutive Sum greedy, sortings	800	x20692
1730C	Minimum Notation data structures, greedy, math, sortings	1200	x16132
1730A	Planets data structures, greedy, sortings	800	x22586
1729D	Friends and the Restaurant greedy, sortings, two pointers	1200	x19134
1728C	Digital Logarithm data structures, greedy, sortings	1400	x15388
1728A	Colored Balls: Revisited brute force, greedy, implementation, sortings	800	x24398
1726G	A Certain Magical Party combinatorics, data structures, greedy, sortings	3300	x286
1725F	Field Photography bitmasks, data structures, sortings	2100	x942
1725B	Basketball Together binary search, greedy, sortings	1000	x11983
1722D	Line greedy, sortings	1100	x22418
1721D	Maximum AND bitmasks, dfs and similar, divide and conquer, greedy, sortings	1800	x6360
1720B	Interesting Sum brute force, data structures, greedy, math, sortings	800	x20808
1713B	Optimal Reduction constructive algorithms, sortings	1000	x20780
1712C	Sort Zero greedy, sortings	1100	x19310
1707C	DFS Trees dfs and similar, dsu, graphs, greedy, sortings, trees	2400	x1401
1707B	Difference Array brute force, data structures, implementation, sortings	1900	x5568
1705D	Mark and Lightbulbs combinatorics, constructive algorithms, greedy, math, sortings	1800	x6132
1705A	Mark the Photographer greedy, sortings	800	x24859
1704C	Virus greedy, implementation, sortings	1200	x14625
1703F	Yet Another Problem About Pairs Satisfying an Inequality binary search, data structures, dp, greedy, sortings	1300	x18477
1701D	Permutation Restoration binary search, data structures, greedy, math, sortings, two pointers	1900	x5519
1698E	PermutationForces II brute force, combinatorics, greedy, sortings, trees, two pointers	2300	x1584
1697B	Promo greedy, sortings	900	x25650
1692G	2^Sort data structures, dp, sortings, two pointers	1400	x16218
1692B	All Distinct greedy, sortings	800	x32992
1691E	Number of Groups data structures, dfs and similar, dsu, graphs, greedy, sortings	2300	x1762
1690G	Count the Trains binary search, data structures, greedy, sortings	2000	x3273
1689A	Lex String brute force, greedy, implementation, sortings, two pointers	800	x16409
1688B	Patchouli's Magical Talisman bitmasks, constructive algorithms, greedy, sortings	800	x17935
1687C	Sanae and Giant Robot binary search, brute force, data structures, dsu, greedy, sortings	2500	x1345
1687B	Railway System constructive algorithms, graphs, greedy, interactive, sortings	1700	x3501
1685B	Linguistics greedy, implementation, sortings, strings	2000	x3181
1685A	Circular Local MiniMax constructive algorithms, greedy, sortings	1100	x16567
1684D	Traps constructive algorithms, greedy, sortings	1700	x9367
1684C	Column Swapping brute force, constructive algorithms, greedy, implementation, sortings	1400	x12073
1682F	MCMF? data structures, flows, graphs, greedy, sortings, two pointers	2700	x289
1682E	Unordered Swaps constructive algorithms, dfs and similar, graphs, greedy, math, sortings, trees	2700	x566
1682B	AND Sorting bitmasks, constructive algorithms, sortings	1100	x17433
1681C	Double Sort implementation, sortings	1200	x17047
1676H2	Maximum Crossings (Hard Version) data structures, divide and conquer, sortings	1500	x10161
1676F	Longest Strike data structures, greedy, implementation, sortings, two pointers	1300	x15965
1676E	Eating Queries binary search, greedy, sortings	1100	x24863
1676B	Equal Candies greedy, math, sortings	800	x45637
1674D	A-B-C Sort constructive algorithms, implementation, sortings	1200	x15845
1671E	Preorder combinatorics, divide and conquer, dp, dsu, hashing, sortings, trees	2100	x2656
1671B	Consecutive Points Segment brute force, math, sortings	1000	x18178
1670A	Prof. Slim greedy, implementation, sortings	800	x15265
1669B	Triple implementation, sortings	800	x40373
1668B	Social Distance greedy, math, sortings	900	x16376
1665C	Tree Infection binary search, greedy, sortings, trees	1600	x8086
1665B	Array Cloning Technique constructive algorithms, greedy, sortings	900	x18956
1662N	Drone Photo combinatorics, math, sortings		x697
1662I	Ice Cream Shop brute force, implementation, sortings		x1985
1658E	Gojou and Matrix Game data structures, dp, games, hashing, implementation, math, number theory, sortings	2500	x1025
1657D	For Gamers. By Gamers. binary search, brute force, greedy, math, sortings	2000	x4731
1656F	Parametric MST binary search, constructive algorithms, graphs, greedy, math, sortings	2600	x999
1656C	Make Equal With Mod constructive algorithms, math, number theory, sortings	1200	x18636
1656A	Good Pairs math, sortings	800	x19415
1654F	Minimal String Xoration bitmasks, data structures, divide and conquer, greedy, hashing, sortings, strings	2800	x1061
1654C	Alice and the Cake data structures, greedy, implementation, sortings	1400	x13214
1654A	Maximum Cake Tastiness brute force, greedy, implementation, sortings	800	x18463
1650E	Rescheduling the Exam binary search, data structures, greedy, implementation, math, sortings	1900	x4033
1650C	Weight of the System of Nested Segments greedy, hashing, implementation, sortings	1200	x16466
1648A	Weird Sum combinatorics, data structures, geometry, math, matrices, sortings	1400	x11925
1646B	Quality vs Quantity brute force, constructive algorithms, greedy, sortings, two pointers	800	x20913
1641C	Anonymity Is Important binary search, brute force, data structures, dsu, greedy, sortings	2200	x2346
1641B	Repetitions Decoding constructive algorithms, implementation, sortings	2000	x3743
1641A	Great Sequence brute force, greedy, sortings	1200	x17584
1638B	Odd Swap Sort data structures, math, sortings	1100	x20456
1637H	Minimize Inversions Number data structures, greedy, math, sortings	3500	x301
1637A	Sorting Parts brute force, sortings	800	x22111
1635E	Cars 2-sat, constructive algorithms, dfs and similar, dsu, graphs, greedy, sortings	2200	x2179
1633E	Spanning Tree Queries binary search, data structures, dfs and similar, dsu, graphs, greedy, math, sortings, trees	2400	x1462
1630C	Paint the Middle dp, greedy, sortings, two pointers	2200	x2856
1629A	Download More RAM brute force, greedy, sortings	800	x28598
1628F	Spaceship Crisis Management binary search, data structures, geometry, sortings	3500	x85
1627B	Not Sitting games, greedy, sortings	1300	x16319
1626A	Equidistant Letters constructive algorithms, sortings	800	x28406
1625D	Binary Spiders bitmasks, data structures, implementation, math, sortings, trees	2300	x1977
1625B	Elementary Particles brute force, greedy, sortings	1100	x15892
1624D	Palindromes Coloring binary search, greedy, sortings, strings	1400	x16359
1623B	Game on Ranges brute force, dfs and similar, implementation, sortings	1100	x13924
1622C	Set or Decrease binary search, brute force, greedy, sortings	1600	x12480
1622B	Berland Music data structures, greedy, math, sortings	1000	x20598
1621E	New School binary search, data structures, dp, greedy, implementation, sortings	2300	x1727
1619G	Unusual Minesweeper binary search, dfs and similar, dsu, greedy, sortings	2000	x2288
1619E	MEX and Increments constructive algorithms, data structures, dp, greedy, implementation, math, sortings	1700	x8749
1619D	New Year's Problem binary search, greedy, sortings	1800	x7312
1618G	Trader Problem data structures, dsu, greedy, sortings	2200	x1488
1618A	Polycarp and Sums of Subsequences math, sortings	800	x31704
1617C	Paprika and Permutation binary search, greedy, math, sortings	1300	x14660
1617A	Forbidden Subsequence constructive algorithms, greedy, sortings, strings	800	x16118
1615E	Purple Crayon data structures, dfs and similar, games, graphs, greedy, math, sortings, trees	2400	x1408
1614B	Divan and a New Project constructive algorithms, sortings	1000	x18068
1613B	Absent Remainder greedy, implementation, sortings	1000	x21244
1612G	Max Sum Array combinatorics, constructive algorithms, greedy, sortings	2500	x818
1612E	Messages brute force, dp, greedy, probabilities, sortings	2000	x2399