Problemset - Codeforces

Problems

#	Name
2222D	Permutation Construction constructive algorithms, data structures, sortings		x3115
2222B	Artistic Balance Tree greedy, sortings		x7171
2220A	Blocked greedy, sortings		x17963
2217E	Definitely Larger binary search, constructive algorithms, data structures, graphs, greedy, sortings	2000	x2043
2215E	Star Map constructive algorithms, data structures, geometry, greedy, sortings	2700	x157
2208D2	Tree Orientation (Hard Version) dfs and similar, dsu, graphs, greedy, sortings, trees	2200	x1820
2208B	Cyclists brute force, games, greedy, implementation, math, sortings	1100	x13604
2207B	One Night At Freddy's games, greedy, sortings	1600	x5774
2205C	Simons and Posting Blogs greedy, greedy, greedy, sortings	1500	x7687
2200F	Mooclear Reactor 2 brute force, data structures, greedy, implementation, sortings	1900	x2874
2200D	Portal greedy, sortings	1300	x11743
2200B	Deletion Sort bitmasks, brute force, greedy, sortings	800	x25390
2197B	Array and Permutation implementation, schedules, sortings, two pointers	1100	x15853
2195F	Parabola Independence dp, graphs, greedy, math, sortings	2000	x2692
2195B	Heapify 1 implementation, sortings	900	x24795
2193G	Paths in a Tree dfs and similar, interactive, sortings, trees	2100	x2236
2193D	Monster Game binary search, sortings, two pointers	1100	x21536
2191B	MEX Reordering constructive algorithms, sortings	1000	x19877
2190C	Comparable Permutations greedy, implementation, interactive, sortings, two pointers	2300	x1289
2189F	Zhora the Vacuum Cleaner data structures, dfs and similar, dp, greedy, implementation, sortings, trees	2800	x227
2187G	Many Cartesian Trees greedy, sortings, trees	3500	x98
2187A	Restricted Sorting greedy, sortings	1300	x15848
2185C	Shifted MEX implementation, sortings	900	x28941
2184E	Exquisite Array combinatorics, data structures, dsu, sortings	1800	x5758
2183H	Minimise Cost binary search, dp, greedy, sortings	3500	x159
2182E	New Year's Gifts binary search, data structures, greedy, sortings, two pointers	1800	x5562
2181E	Elevator Against Humanity brute force, constructive algorithms, greedy, sortings	2900	x143
2181D	Doorway binary search, data structures, sortings	2000	x1354
2179C	Blackslex and Number Theory implementation, math, number theory, sortings	1100	x22280
2176D	Fibonacci Paths data structures, dp, graphs, sortings	1800	x5756
2176C	Odd Process greedy, sortings	1300	x15703
2173E	Shiro's Mirror Duel constructive algorithms, greedy, interactive, probabilities, sortings	2200	x1532
2172B	Buses greedy, sortings	1800	x2128
2171H	Shiori Miyagi and Maximum Array Score binary search, data structures, dp, sortings	2400	x1013
2167C	Isamatdin and His Magic Wand! constructive algorithms, greedy, implementation, sortings	800	x36023
2167B	Your Name sortings, strings	800	x51744
2167A	Square? math, sortings	800	x58355
2165B	Marble Council dp, math, sortings	1900	x4529
2164C	Dungeon binary search, brute force, data structures, greedy, sortings	1400	x10682
2164A	Sequence Game brute force, sortings	800	x20809
2163D2	Diadrash (Hard Version) binary search, interactive, math, sortings	2500	x1495
2163A	Souvlaki VS. Kalamaki brute force, greedy, math, sortings	800	x19578
2161C	Loyalty constructive algorithms, greedy, sortings, two pointers	1200	x12529
2157E	Adjusting Drones binary search, brute force, data structures, dp, dsu, greedy, implementation, sortings	1900	x3565
2157D	Billion Players Game binary search, greedy, math, sortings, ternary search, two pointers	1600	x5994
2157A	Dungeon Equilibrium greedy, implementation, sortings	800	x16481
2156F1	Strange Operation (Easy Version) brute force, data structures, greedy, implementation, sortings	2200	x1616
2154E	No Mind To Think binary search, divide and conquer, greedy, sortings, ternary search, two pointers	2500	x1202
2153C	Symmetrical Polygons constructive algorithms, geometry, greedy, implementation, sortings	1500	x11761
2153A	Circle of Apple Trees greedy, sortings	800	x26350
2150E1	Hidden Single (Version 1) divide and conquer, interactive, math, probabilities, sortings	2600	x1025
2149B	Unconventional Pairs greedy, sortings	800	x33014
2148F	Gravity Falls greedy, implementation, sortings	1800	x6583
2148D	Destruction of the Dandelion Fields constructive algorithms, greedy, sortings	1000	x26714
2145E	Predicting Popularity binary search, data structures, greedy, sortings	2100	x3063
2143B	Discounts greedy, sortings, two pointers	1000	x20900
2141G	Good Robot Paths *special problem, data structures, geometry, sortings	2800	x62
2140D	A Cruel Segment's Thesis data structures, greedy, sortings	2000	x4887
2140A	Shift Sort greedy, sortings	800	x22249
2138D	Antiamuny and Slider Movement brute force, combinatorics, implementation, math, sortings	2600	x640
2137F	Prefix Maximum Invariance binary search, combinatorics, data structures, sortings	1900	x4052
2132E	Arithmetics Competition binary search, data structures, greedy, sortings, ternary search	1700	x7583
2131F	Unjust Binary Life binary search, data structures, greedy, greedy, math, sortings, two pointers	1900	x4715
2129E	Induced Subgraph Queries data structures, graphs, sortings	3000	x475
2129B	Stay or Mirror brute force, data structures, dp, greedy, sortings	1600	x13250
2129A	Double Perspective constructive algorithms, dp, dsu, graphs, greedy, sortings	1300	x16631
2128B	Deque Process constructive algorithms, greedy, sortings, two pointers	1100	x21406
2128A	Recycling Center greedy, sortings	800	x28474
2127C	Trip Shopping games, greedy, sortings	1400	x12371
2126D	This Is the Last Time data structures, greedy, sortings	1200	x23980
2126C	I Will Definitely Make It greedy, sortings	1100	x26258
2125A	Difficult Contest constructive algorithms, implementation, sortings, strings	800	x27962
2124D	Make a Palindrome greedy, sortings, two pointers	1700	x8086
2124A	Deranged Deletions greedy, sortings	800	x19192
2123G	Modular Sorting brute force, data structures, greedy, math, number theory, sortings	2100	x3247
2123E	MEX Count binary search, data structures, greedy, sortings, two pointers	1400	x14892
2122C	Manhattan Pairs constructive algorithms, geometry, greedy, math, sortings	1700	x8386
2121H	Ice Baby binary search, brute force, data structures, dp, implementation, sortings	2300	x2238
2121G	Gangsta data structures, divide and conquer, math, sortings	1900	x5359
2121D	1709 implementation, sortings	1300	x18196
2120C	Divine Tree constructive algorithms, greedy, math, sortings, trees	1400	x12587
2117H	Incessant Rain data structures, divide and conquer, sortings	2500	x982
2117G	Omg Graph brute force, dsu, graphs, greedy, shortest paths, sortings	1900	x5140
2116B	Gellyfish and Baby's Breath greedy, math, sortings	1300	x17545
2114F	Small Operations binary search, brute force, dfs and similar, dp, math, number theory, sortings	2000	x5497
2111E	Changing the String binary search, data structures, greedy, implementation, sortings, strings	1900	x5404
2111D	Creating a Schedule constructive algorithms, data structures, greedy, implementation, sortings	1400	x11984
2110A	Fashionable Array implementation, sortings	800	x29798
2106C	Cherry Bomb greedy, math, sortings	1000	x25591
2103F	Maximize Nor bitmasks, data structures, dp, implementation, sortings	2600	x618
2103C	Median Splits binary search, greedy, implementation, sortings	1600	x10548
2102B	The Picky Cat implementation, sortings	900	x19828
2101D	Mani and Segments data structures, implementation, sortings, two pointers	2500	x1018
2101B	Quartet Swapping brute force, data structures, divide and conquer, greedy, sortings	1800	x6821
2098B	Sasha and the Apartment Purchase math, sortings	1400	x7875
2097A	Sports Betting 2-sat, brute force, math, sortings	1400	x8576
2096E	Wonderful Teddy Bears greedy, implementation, sortings	2400	x2046
2096B	Wonderful Gloves greedy, math, sortings	1100	x16563
2092A	Kamilka and the Sheep greedy, math, number theory, sortings	800	x28310
2091B	Team Training dp, greedy, sortings	800	x32693