Problemset - Codeforces

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Problems

#	Name
1929C	Sasha and the Casino binary search, brute force, constructive algorithms, games, greedy, math	1400	x14652
1928C	Physical Education Lesson brute force, math, number theory	1600	x8425
1927E	Klever Permutation constructive algorithms, math, two pointers	1400	x13838
1926E	Vlad and an Odd Ordering binary search, bitmasks, data structures, dp, implementation, math, number theory	1500	x11719
1924A	Did We Get Everything Covered? constructive algorithms, dp, greedy, shortest paths, strings	1500	x13789
1923D	Slimes binary search, constructive algorithms, data structures, greedy, two pointers	1800	x6678
1923C	Find B constructive algorithms, greedy	1400	x14900
1922E	Increasing Subsequences bitmasks, constructive algorithms, divide and conquer, greedy, math	1800	x7626
1921E	Eat the Chip brute force, games, greedy, math	1600	x9714
1920C	Partitioning the Array brute force, math, number theory	1600	x13387
1919C	Grouping Increases data structures, dp, greedy	1400	x18784
1918C	XOR-distance bitmasks, greedy, implementation, math	1400	x13842
1917C	Watering an Array brute force, greedy, implementation, math	1600	x10352
1916D	Mathematical Problem brute force, constructive algorithms, geometry, math	1700	x8468
1915G	Bicycles graphs, greedy, implementation, shortest paths, sortings	1800	x6248
1915F	Greetings data structures, divide and conquer, sortings	1500	x13531
1914E2	Game with Marbles (Hard Version) games, greedy, sortings	1400	x12267
1914E1	Game with Marbles (Easy Version) brute force, games, greedy, sortings	1400	x12110
1912K	Kim's Quest bitmasks, combinatorics, dp	1800	x2412
1910D	Remove and Add *special problem, greedy	1800	x349
1910C	Poisonous Swamp special problem, special problem, implementation, implementation	1600	x626
1910B	Security Guard *special problem, greedy	1600	x669
1909C	Heavy Intervals constructive algorithms, data structures, dsu, greedy, math, sortings	1400	x11073
1907F	Shift and Reverse greedy, sortings	1800	x4849
1907E	Good Triples brute force, combinatorics, number theory	1600	x10125
1907D	Jumping Through Segments binary search, constructive algorithms	1400	x14033
1906M	Triangle Construction greedy, math	1700	x2634
1905C	Largest Subsequence greedy, strings	1400	x12195
1904D2	Set To Max (Hard Version) constructive algorithms, data structures, divide and conquer, greedy, implementation, sortings	1800	x4380
1904D1	Set To Max (Easy Version) brute force, constructive algorithms, greedy	1600	x6648
1904C	Array Game binary search, brute force, data structures, sortings, two pointers	1400	x12880
1903D1	Maximum And Queries (easy version) binary search, bitmasks, brute force, greedy	1700	x5656
1903C	Theofanis' Nightmare constructive algorithms, greedy	1400	x11829
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6912
1901C	Add, Divide and Floor constructive algorithms, greedy, math	1400	x11883
1899F	Alex's whims constructive algorithms, graphs, greedy, shortest paths, trees	1600	x7566
1898C	Colorful Grid constructive algorithms	1700	x5482
1898B	Milena and Admirer greedy, math	1500	x11803
1896D	Ones and Twos binary search, data structures, divide and conquer, math, two pointers	1700	x5703
1896C	Matching Arrays binary search, constructive algorithms, greedy, sortings	1400	x9551
1895C	Torn Lucky Ticket brute force, dp, hashing, implementation, math	1400	x11057
1893B	Neutral Tonality constructive algorithms, greedy, sortings, two pointers	1700	x8842
1893A	Anonymous Informant brute force, dfs and similar, graphs, implementation	1400	x12310
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x13151
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x7321
1886C	Decreasing String implementation, strings	1600	x11441
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x6033
1883G1	Dances (Easy version) binary search, greedy, two pointers	1400	x10888
1883F	You Are So Beautiful data structures	1400	x9447
1883E	Look Back bitmasks, greedy	1700	x8048
1883D	In Love data structures, greedy	1500	x11428
1882C	Card Game brute force, greedy	1500	x12278
1881F	Minimum Maximum Distance dfs and similar, dp, graphs, shortest paths, trees	1700	x6880
1881E	Block Sequence dp	1500	x13973
1879D	Sum of XOR Functions bitmasks, combinatorics, divide and conquer, dp, math	1700	x7340
1878E	Iva & Pav binary search, bitmasks, data structures, greedy	1400	x12708
1878D	Reverse Madness data structures, greedy	1600	x8295
1876B	Effects of Anti Pimples combinatorics, number theory, sortings	1500	x8238
1875D	Jellyfish and Mex dp	1600	x8618
1875C	Jellyfish and Green Apple bitmasks, greedy, math, number theory	1400	x11691
1873H	Mad City dfs and similar, dsu, games, graphs, shortest paths, trees	1700	x7338
1873G	ABBC or BACB constructive algorithms, greedy	1500	x13175
1872F	Selling a Menagerie dfs and similar, dsu, graphs, implementation, math	1800	x6310
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x13512
1870D	Prefix Purchase greedy, implementation, sortings	1800	x6954
1868B1	Candy Party (Easy Version) bitmasks, constructive algorithms, graphs, greedy, implementation, math	1700	x6951
1867D	Cyclic Operations brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	1800	x5754
1866B	Battling with Numbers combinatorics, math, number theory	1400	x7708
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6748
1863D	Two-Colored Dominoes constructive algorithms, greedy	1400	x9480
1862F	Magic Will Save the World binary search, bitmasks, brute force, dp	1800	x6230
1862E	Kolya and Movie Theatre constructive algorithms, data structures, greedy	1600	x10676
1861D	Sorting By Multiplication dp, greedy	1800	x6747
1861C	Queries for the Array data structures, dfs and similar, implementation, strings, trees	1600	x10091
1860C	Game on Permutation data structures, dp, games, greedy	1400	x13291
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6981
1858B	The Walkway brute force, dp, greedy, math, number theory	1500	x11286
1857F	Sum and Product binary search, data structures, math	1600	x11489
1857E	Power of Points math, sortings	1500	x12406
1856E1	PermuTree (easy version) dfs and similar, dp, trees	1800	x5284
1856C	To Become Max binary search, brute force, data structures, dp	1600	x12298
1854A1	Dual (Easy Version) constructive algorithms, math	1400	x14084
1852B	Imbalanced Arrays constructive algorithms, graphs, greedy, math, sortings, two pointers	1800	x4461
1852A	Ntarsis' Set binary search, math, number theory	1800	x8034
1851F	Lisa and the Martians bitmasks, greedy, math, strings, trees	1800	x5815
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x10298
1850H	The Third Letter dfs and similar, dsu, graphs, greedy, implementation	1700	x8178
1850G	The Morning Star combinatorics, data structures, geometry, implementation, math, sortings	1500	x12356
1849D	Array Painting constructive algorithms, greedy, two pointers	1700	x8453
1849C	Binary String Copying binary search, brute force, data structures, hashing, strings	1600	x10495
1848C	Vika and Price Tags math, number theory	1800	x6288
1847C	Vampiric Powers, anyone? bitmasks, brute force, dp, greedy	1400	x12848
1846F	Rudolph and Mimic constructive algorithms, implementation, interactive	1800	x3106
1846E2	Rudolf and Snowflakes (hard version) binary search, brute force, implementation, math	1800	x7019
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7804
1845C	Strong Password binary search, dp, greedy, strings	1400	x14214
1844D	Row Major constructive algorithms, greedy, math, number theory, strings	1400	x12266
1843F1	Omsk Metro (simple version) data structures, dfs and similar, dp, graphs, greedy, math, trees	1800	x5299
1843E	Tracking Segments binary search, brute force, data structures, two pointers	1600	x12293
1842C	Tenzing and Balls dp	1500	x12766