Problemset - Codeforces

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Codeforces Round (Div. 2)
35:08:04
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Problems

#	Name
1903D1	Maximum And Queries (easy version) binary search, bitmasks, brute force, greedy	1700	x5378
1903C	Theofanis' Nightmare constructive algorithms, greedy	1400	x11200
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6530
1901C	Add, Divide and Floor constructive algorithms, greedy, math	1400	x11277
1899F	Alex's whims constructive algorithms, graphs, greedy, shortest paths, trees	1600	x7115
1898C	Colorful Grid constructive algorithms	1700	x5196
1898B	Milena and Admirer greedy, math	1500	x11149
1896D	Ones and Twos binary search, data structures, divide and conquer, math, two pointers	1700	x5465
1896C	Matching Arrays binary search, constructive algorithms, greedy, sortings	1400	x9156
1895C	Torn Lucky Ticket brute force, dp, hashing, implementation, math	1400	x10577
1893B	Neutral Tonality constructive algorithms, greedy, sortings, two pointers	1700	x8488
1893A	Anonymous Informant brute force, dfs and similar, graphs, implementation	1400	x11800
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x12296
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x7043
1886C	Decreasing String implementation, strings	1600	x10899
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x5793
1883G1	Dances (Easy version) binary search, greedy, two pointers	1400	x10060
1883F	You Are So Beautiful data structures	1400	x8910
1883E	Look Back bitmasks, greedy	1700	x7589
1883D	In Love data structures, greedy	1500	x10826
1882C	Card Game brute force, greedy	1500	x11850
1881F	Minimum Maximum Distance dfs and similar, dp, graphs, shortest paths, trees	1700	x6441
1881E	Block Sequence dp	1500	x12880
1879D	Sum of XOR Functions bitmasks, combinatorics, divide and conquer, dp, math	1700	x7021
1878E	Iva & Pav binary search, bitmasks, data structures, greedy	1400	x11954
1878D	Reverse Madness data structures, greedy	1600	x7973
1876B	Effects of Anti Pimples combinatorics, number theory, sortings	1500	x7927
1875D	Jellyfish and Mex dp	1600	x8151
1875C	Jellyfish and Green Apple bitmasks, greedy, math, number theory	1400	x11270
1873H	Mad City dfs and similar, dsu, games, graphs, shortest paths, trees	1700	x6980
1873G	ABBC or BACB constructive algorithms, greedy	1500	x12561
1872F	Selling a Menagerie dfs and similar, dsu, graphs, implementation, math	1800	x6061
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x12815
1870D	Prefix Purchase greedy, implementation, sortings	1800	x6657
1868B1	Candy Party (Easy Version) bitmasks, constructive algorithms, graphs, greedy, implementation, math	1700	x6750
1867D	Cyclic Operations brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	1800	x5575
1866B	Battling with Numbers combinatorics, math, number theory	1400	x7457
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6544
1863D	Two-Colored Dominoes constructive algorithms, greedy	1400	x9237
1862F	Magic Will Save the World binary search, bitmasks, brute force, dp	1800	x5990
1862E	Kolya and Movie Theatre constructive algorithms, data structures, greedy	1600	x10267
1861D	Sorting By Multiplication dp, greedy	1800	x6511
1861C	Queries for the Array data structures, dfs and similar, implementation, strings, trees	1600	x9799
1860C	Game on Permutation data structures, dp, games, greedy	1400	x12900
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6790
1858B	The Walkway brute force, dp, greedy, math, number theory	1500	x11027
1857F	Sum and Product binary search, data structures, math	1600	x10965
1857E	Power of Points math, sortings	1500	x11990
1856E1	PermuTree (easy version) dfs and similar, dp, trees	1800	x5118
1856C	To Become Max binary search, brute force, data structures, dp	1600	x11735
1854A1	Dual (Easy Version) constructive algorithms, math	1400	x13746
1852B	Imbalanced Arrays constructive algorithms, graphs, greedy, math, sortings, two pointers	1800	x4303
1852A	Ntarsis' Set binary search, math, number theory	1800	x7809
1851F	Lisa and the Martians bitmasks, greedy, math, strings, trees	1800	x5577
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x9897
1850H	The Third Letter dfs and similar, dsu, graphs, greedy, implementation	1700	x7872
1850G	The Morning Star combinatorics, data structures, geometry, implementation, math, sortings	1500	x11817
1849D	Array Painting constructive algorithms, greedy, two pointers	1700	x8170
1849C	Binary String Copying binary search, brute force, data structures, hashing, strings	1600	x10199
1848C	Vika and Price Tags math, number theory	1800	x6147
1847C	Vampiric Powers, anyone? bitmasks, brute force, dp, greedy	1400	x12560
1846F	Rudolph and Mimic constructive algorithms, implementation, interactive	1800	x2999
1846E2	Rudolf and Snowflakes (hard version) binary search, brute force, implementation, math	1800	x6816
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7571
1845C	Strong Password binary search, dp, greedy, strings	1400	x13816
1844D	Row Major constructive algorithms, greedy, math, number theory, strings	1400	x12033
1843F1	Omsk Metro (simple version) data structures, dfs and similar, dp, graphs, greedy, math, trees	1800	x5156
1843E	Tracking Segments binary search, brute force, data structures, two pointers	1600	x11658
1842C	Tenzing and Balls dp	1500	x12232
1841C	Ranom Numbers brute force, dp, greedy, math, strings	1800	x7611
1840E	Character Blocking data structures, hashing, implementation	1600	x7810
1840D	Wooden Toy Festival binary search, greedy, sortings	1400	x13370
1838C	No Prime Differences constructive algorithms, math, number theory	1400	x13974
1837D	Bracket Coloring constructive algorithms, greedy	1400	x14102
1835A	k-th equality brute force, implementation, math	1700	x7634
1833G	Ksyusha and Chinchilla constructive algorithms, dfs and similar, dp, dsu, greedy, implementation, trees	1800	x5174
1833F	Ira and Flamenco combinatorics, constructive algorithms, data structures, implementation, math, sortings, two pointers	1700	x7059
1833E	Round Dance dfs and similar, dsu, graphs, shortest paths	1600	x11153
1833D	Flipper brute force, constructive algorithms, greedy	1400	x13047
1830A	Copil Copac Draws Trees dfs and similar, dp, graphs, trees	1400	x12999
1829H	Don't Blame Me bitmasks, combinatorics, dp, math	1700	x7443
1829G	Hits Different data structures, dp, implementation, math	1600	x9929
1826D	Running Miles brute force, dp, greedy	1700	x9159
1824B1	LuoTianyi and the Floating Islands (Easy Version) combinatorics, math, probabilities, trees	1800	x4446
1824A	LuoTianyi and the Show greedy, implementation	1400	x11061
1822G1	Magic Triples (Easy Version) brute force, data structures, math, number theory	1700	x6834
1822F	Gardening Friends brute force, dfs and similar, dp, graphs, trees	1700	x5851
1822E	Making Anti-Palindromes greedy, math, strings	1600	x10142
1817A	Almost Increasing Subsequence binary search, data structures, greedy	1500	x10723
1814C	Search in Parallel constructive algorithms, greedy, sortings	1500	x10534
1814B	Long Legs brute force, math	1700	x9790
1811E	Living Sequence binary search, dp, math, number theory	1500	x11940
1811D	Umka and a Long Flight constructive algorithms, implementation, math	1600	x7263
1810D	Climbing the Tree binary search, math	1700	x7297
1809D	Binary String Sorting constructive algorithms, greedy	1800	x6121
1809C	Sum on Subarrays constructive algorithms, greedy, math	1500	x12377
1807F	Bouncy Ball brute force, dfs and similar, implementation	1700	x6074
1806C	Sequence Master brute force, constructive algorithms, math	1600	x7431
1805D	A Wide, Wide Graph dfs and similar, dp, graphs, greedy, trees	1800	x6314
1805C	Place for a Selfie binary search, data structures, geometry, math	1400	x12287