Problemset - Codeforces

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Problems

#	Name
1837D	Bracket Coloring constructive algorithms, greedy	1400	x13342
1837C	Best Binary String constructive algorithms, greedy	1000	x21107
1837B	Comparison String greedy	900	x26578
1837A	Grasshopper on a Line constructive algorithms, math	800	x29145
1836B	Astrophysicists greedy, math	1100	x12276
1836A	Destroyer implementation, sortings	800	x19793
1835F	Good Graph bitmasks, dfs and similar, graph matchings, graphs, implementation	3500	x144
1835E	Old Mobile combinatorics, dp, probabilities	3500	x202
1835D	Doctor's Brown Hypothesis dfs and similar, graphs, math, number theory	2900	x448
1835C	Twin Clusters bitmasks, brute force, constructive algorithms, math, probabilities	2600	x939
1835B	Lottery binary search, brute force, greedy, math, two pointers	2500	x903
1835A	k-th equality brute force, implementation, math	1700	x7453
1834F	Typewriter brute force, math	2500	x488
1834E	MEX of LCM binary search, data structures, implementation, math, number theory	2300	x2064
1834D	Survey in Class brute force, data structures, greedy, implementation, sortings	1900	x4355
1834C	Game with Reversing games, greedy, math, strings	1200	x12646
1834B	Maximum Strength greedy, math	1000	x14540
1834A	Unit Array greedy, math	800	x21221
1833G	Ksyusha and Chinchilla constructive algorithms, dfs and similar, dp, dsu, greedy, implementation, trees	1800	x4949
1833F	Ira and Flamenco combinatorics, constructive algorithms, data structures, implementation, math, sortings, two pointers	1700	x6704
1833E	Round Dance dfs and similar, dsu, graphs, shortest paths	1600	x10317
1833D	Flipper brute force, constructive algorithms, greedy	1400	x12690
1833C	Vlad Building Beautiful Array greedy, math	800	x25522
1833B	Restore the Weather greedy, sortings	900	x25401
1833A	Musical Puzzle implementation, strings	800	x31590
1832F	Zombies binary search, dp	3200	x253
1832E	Combinatorics Problem brute force, combinatorics, dp	2200	x2057
1832D2	Red-Blue Operations (Hard Version) binary search, constructive algorithms, greedy, implementation, math	2400	x1796
1832D1	Red-Blue Operations (Easy Version) binary search, greedy, implementation, math	2100	x2793
1832C	Contrast Value greedy, implementation	1200	x18273
1832B	Maximum Sum brute force, sortings, two pointers	1100	x19654
1832A	New Palindrome strings	800	x24883
1831B	Array merging constructive algorithms, greedy	1000	x18490
1831A	Twin Permutations constructive algorithms	800	x24256
1830F	The Third Grace data structures, dp	3200	x221
1830E	Bully Sort data structures, math	3500	x231
1830D	Mex Tree brute force, dp, trees	2800	x604
1830C	Hyperregular Bracket Strings combinatorics, greedy, hashing, math, number theory, sortings	2400	x1528
1830B	The BOSS Can Count Pairs brute force, math	2000	x4598
1830A	Copil Copac Draws Trees dfs and similar, dp, graphs, trees	1400	x12453
1829H	Don't Blame Me bitmasks, combinatorics, dp, math	1700	x7081
1829G	Hits Different data structures, dp, implementation, math	1600	x9413
1829F	Forever Winter dfs and similar, graphs, math	1300	x16191
1829E	The Lakes dfs and similar, dsu, graphs, implementation	1100	x18238
1829D	Gold Rush brute force, dfs and similar, dp, implementation	1000	x24241
1829C	Mr. Perfectly Fine bitmasks, greedy, implementation	800	x27152
1829B	Blank Space implementation	800	x40896
1829A	Love Story implementation, strings	800	x45977
1828B	Permutation Swap math, number theory	900	x20658
1828A	Divisible Array constructive algorithms, math	800	x23003
1827F	Copium Permutation constructive algorithms, data structures, greedy	3500	x107
1827E	Bus Routes binary search, constructive algorithms, dfs and similar, greedy, trees	3400	x363
1827D	Two Centroids data structures, dfs and similar, greedy, trees	2800	x705
1827C	Palindrome Partition binary search, brute force, data structures, dp, hashing, strings	2600	x1143
1827B2	Range Sorting (Hard Version) binary search, data structures, dp, greedy	2400	x1774
1827B1	Range Sorting (Easy Version) binary search, dp, dsu, greedy, trees, two pointers	2000	x3666
1827A	Counting Orders combinatorics, math, sortings, two pointers	1100	x17489
1826F	Fading into Fog geometry, interactive, math, probabilities	2800	x338
1826E	Walk the Runway bitmasks, brute force, data structures, dp, graphs, implementation, sortings	2400	x1501
1826D	Running Miles brute force, dp, greedy	1700	x8561
1826C	Dreaming of Freedom greedy, math, number theory	1300	x12792
1826B	Lunatic Never Content math, number theory	1100	x15747
1826A	Trust Nobody brute force, greedy, implementation, sortings	1200	x14504
1825B	LuoTianyi and the Table greedy, math	1000	x14172
1825A	LuoTianyi and the Palindrome String greedy, strings	800	x19273
1824E	LuoTianyi and Cartridge data structures, trees	3500	x124
1824D	LuoTianyi and the Function data structures	3000	x450
1824C	LuoTianyi and XOR-Tree data structures, dfs and similar, dp, dsu, greedy, trees	2500	x1255
1824B2	LuoTianyi and the Floating Islands (Hard Version) combinatorics, dfs and similar, math, probabilities, trees	2300	x2494
1824B1	LuoTianyi and the Floating Islands (Easy Version) combinatorics, math, probabilities, trees	1800	x4331
1824A	LuoTianyi and the Show greedy, implementation	1400	x10798
1823F	Random Walk dp, graphs, math, probabilities, trees	2600	x787
1823E	Removing Graph brute force, dp, games, graphs, math	2500	x1197
1823D	Unique Palindromes constructive algorithms, math, strings	1900	x3653
1823C	Strongly Composite greedy, math, number theory	1300	x11671
1823B	Sort with Step brute force, math, sortings	900	x15325
1823A	A-characteristic combinatorics, constructive algorithms, math	800	x15807
1822G2	Magic Triples (Hard Version) brute force, data structures, math, number theory	2200	x2312
1822G1	Magic Triples (Easy Version) brute force, data structures, math, number theory	1700	x6500
1822F	Gardening Friends brute force, dfs and similar, dp, graphs, trees	1700	x5573
1822E	Making Anti-Palindromes greedy, math, strings	1600	x9709
1822D	Super-Permutation constructive algorithms, math	1200	x15909
1822C	Bun Lover math	800	x22317
1822B	Karina and Array greedy, math, sortings	800	x24084
1822A	TubeTube Feed brute force, implementation	800	x23639
1821F	Timber combinatorics, dp, fft, math	2600	x705
1821E	Rearrange Brackets brute force, dp, greedy, sortings, strings	2100	x2247
1821D	Black Cells binary search, brute force, greedy, math	1900	x4757
1821C	Tear It Apart brute force, implementation, math, strings	1300	x13599
1821B	Sort the Subarray brute force, greedy	1100	x16937
1821A	Matching combinatorics, math	800	x19371
1820B	JoJo's Incredible Adventures math, strings, two pointers	1100	x13401
1820A	Yura's New Name implementation, strings	800	x16353
1819F	Willy-nilly, Crack, Into Release! data structures, dp	3500	x127
1819E	Roads in E City interactive, math, probabilities, trees	3200	x244
1819D	Misha and Apples brute force, data structures, dp, two pointers	2800	x597
1819C	The Fox and the Complete Tree Traversal constructive algorithms, dp, implementation, math, trees	2400	x1396
1819B	The Butcher geometry, greedy, implementation, sortings, two pointers	1900	x3432
1819A	Constructive Problem brute force, greedy	1300	x12070
1818B	Indivisible constructive algorithms	900	x14033