Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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Codeforces Round 941 (Div. 2)
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brute force

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Problems

#	Name
1889D	Game of Stacks brute force, dfs and similar, graphs, implementation, trees	3000	x509
1889C1	Doremy's Drying Plan (Easy Version) brute force, data structures, dp, greedy, sortings	2000	x2969
1887C	Minimum Array binary search, brute force, constructive algorithms, data structures, greedy, hashing, two pointers	2400	x1557
1886A	Sum of Three brute force, constructive algorithms, math	800	x24402
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x5375
1884A	Simple Design brute force, greedy, math	800	x16374
1882E1	Two Permutations (Easy Version) brute force, constructive algorithms, greedy, number theory	2400	x945
1882C	Card Game brute force, greedy	1500	x11211
1882B	Sets and Union bitmasks, brute force, constructive algorithms, greedy	1300	x14173
1881C	Perfect Square brute force, implementation	1200	x15727
1881A	Don't Try to Count brute force, strings	800	x27021
1879F	Last Man Standing brute force, data structures, number theory	2800	x467
1879E	Interactive Game with Coloring brute force, constructive algorithms, dfs and similar, graphs, implementation, interactive, trees	2400	x1177
1878G	wxhtzdy ORO Tree binary search, bitmasks, brute force, data structures, dfs and similar, implementation, trees	2300	x1083
1878F	Vasilije Loves Number Theory brute force, math, number theory	1900	x3683
1876G	Clubstep binary search, brute force, data structures, greedy, trees	3500	x115
1875A	Jellyfish and Undertale brute force, greedy	900	x21414
1874B	Jellyfish and Math bitmasks, brute force, dfs and similar, dp, graphs, shortest paths	2400	x1051
1874A	Jellyfish and Game brute force, games, greedy, implementation	1200	x15686
1873B	Good Kid brute force, greedy, math	800	x43736
1873A	Short Sort brute force, implementation	800	x48176
1872G	Replace With Product brute force, greedy, math	2000	x3939
1872A	Two Vessels brute force, greedy, math	800	x37088
1870E	Another MEX Problem bitmasks, brute force, dp, shortest paths	2300	x2190
1867F	Most Different Tree brute force, constructive algorithms, dfs and similar, greedy, hashing	2700	x399
1867D	Cyclic Operations brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	1800	x5292
1866M	Mighty Rock Tower brute force, combinatorics, dp, math, probabilities	2400	x684
1866L	Lihmuf Balling binary search, brute force, math	2400	x648
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6298
1863E	Speedrun brute force, dfs and similar, dp, graphs, greedy, math, sortings, two pointers	2100	x2594
1862F	Magic Will Save the World binary search, bitmasks, brute force, dp	1800	x5600
1860B	Fancy Coins binary search, brute force, greedy, math	1200	x15924
1859E	Maximum Monogonosity brute force, dp, math	2500	x1651
1859C	Another Permutation Problem brute force, dp, greedy, math	1200	x16231
1858E1	Rollbacks (Easy Version) brute force, data structures, dfs and similar, trees	2500	x1241
1858D	Trees and Segments brute force, data structures, dp, greedy, two pointers	2200	x2676
1858B	The Walkway brute force, dp, greedy, math, number theory	1500	x10560
1856C	To Become Max binary search, brute force, data structures, dp	1600	x10951
1855B	Longest Divisors Interval brute force, combinatorics, greedy, math, number theory	900	x23525
1854F	Mark and Spaceship brute force, dp	3500	x110
1854E	Game Bundles brute force, constructive algorithms, dp, greedy, math	3000	x377
1854B	Earn or Unlock bitmasks, brute force, dp	2200	x3309
1853B	Fibonaccharsis binary search, brute force, math	1200	x16444
1853A	Desorting brute force, greedy, math	800	x27685
1851A	Escalator Conversations brute force, constructive algorithms, math	800	x28516
1850F	We Were Both Children brute force, implementation, math, number theory	1300	x16964
1850D	Balanced Round brute force, greedy, implementation, sortings	900	x31965
1849C	Binary String Copying binary search, brute force, data structures, hashing, strings	1600	x9754
1848E	Vika and Stone Skipping brute force, implementation, math, number theory	2600	x737
1848D	Vika and Bonuses binary search, brute force, math, ternary search	2200	x2504
1847E	Triangle Platinum? brute force, combinatorics, implementation, interactive, math, probabilities	2900	x312
1847C	Vampiric Powers, anyone? bitmasks, brute force, dp, greedy	1400	x12162
1846E2	Rudolf and Snowflakes (hard version) binary search, brute force, implementation, math	1800	x6547
1846E1	Rudolf and Snowflakes (simple version) brute force, implementation, math	1300	x15241
1846B	Rudolph and Tic-Tac-Toe brute force, implementation, strings	800	x25947
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7270
1844F1	Min Cost Permutation (Easy Version) brute force, constructive algorithms, greedy, math	2600	x735
1843E	Tracking Segments binary search, brute force, data structures, two pointers	1600	x10872
1841C	Ranom Numbers brute force, dp, greedy, math, strings	1800	x7248
1840F	Railguns brute force, dfs and similar, dp, graphs	2200	x1687
1835C	Twin Clusters bitmasks, brute force, constructive algorithms, math, probabilities	2600	x931
1835B	Lottery binary search, brute force, greedy, math, two pointers	2500	x894
1835A	k-th equality brute force, implementation, math	1700	x7395
1834F	Typewriter brute force, math	2500	x487
1834D	Survey in Class brute force, data structures, greedy, implementation, sortings	1900	x4323
1833D	Flipper brute force, constructive algorithms, greedy	1400	x12629
1832E	Combinatorics Problem brute force, combinatorics, dp	2200	x2048
1832B	Maximum Sum brute force, sortings, two pointers	1100	x19464
1830D	Mex Tree brute force, dp, trees	2800	x590
1830B	The BOSS Can Count Pairs brute force, math	2000	x4566
1829D	Gold Rush brute force, dfs and similar, dp, implementation	1000	x24026
1827C	Palindrome Partition binary search, brute force, data structures, dp, hashing, strings	2600	x1122
1826E	Walk the Runway bitmasks, brute force, data structures, dp, graphs, implementation, sortings	2400	x1492
1826D	Running Miles brute force, dp, greedy	1700	x8463
1826A	Trust Nobody brute force, greedy, implementation, sortings	1200	x14449
1823E	Removing Graph brute force, dp, games, graphs, math	2500	x1189
1823B	Sort with Step brute force, math, sortings	900	x15264
1822G2	Magic Triples (Hard Version) brute force, data structures, math, number theory	2200	x2282
1822G1	Magic Triples (Easy Version) brute force, data structures, math, number theory	1700	x6435
1822F	Gardening Friends brute force, dfs and similar, dp, graphs, trees	1700	x5518
1822A	TubeTube Feed brute force, implementation	800	x23557
1821E	Rearrange Brackets brute force, dp, greedy, sortings, strings	2100	x2228
1821D	Black Cells binary search, brute force, greedy, math	1900	x4728
1821C	Tear It Apart brute force, implementation, math, strings	1300	x13526
1821B	Sort the Subarray brute force, greedy	1100	x16812
1819D	Misha and Apples brute force, data structures, dp, two pointers	2800	x593
1819A	Constructive Problem brute force, greedy	1300	x12016
1817E	Half-sum brute force, divide and conquer, greedy	3400	x249
1817B	Fish Graph brute force, constructive algorithms, dfs and similar, graphs	1900	x3808
1815B	Sum Graph brute force, constructive algorithms, graphs, implementation, interactive, shortest paths, trees	2000	x2825
1814F	Communication Towers brute force, divide and conquer, dsu	2700	x450
1814D	Balancing Weapons binary search, brute force, data structures, math, two pointers	2500	x817
1814B	Long Legs brute force, math	1700	x9463
1812B	Was it Rated? special problem, special problem, *special problem, brute force, implementation		x5556
1810E	Monsters brute force, data structures, dfs and similar, dsu, graphs, greedy	2100	x2953
1810C	Make It Permutation brute force, greedy, sortings	1300	x13728
1810A	Beautiful Sequence brute force, greedy	800	x20316
1808E3	Minibuses on Venus (hard version) brute force, combinatorics, dp, math	2800	x413
1808D	Petya, Petya, Petr, and Palindromes binary search, brute force, data structures, two pointers	2100	x2134
1808C	Unlucky Numbers brute force, dp, greedy, implementation	1900	x3557