Problemset - Codeforces

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Codeforces Round 973 (Div. 2)
22:36:33
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Problems

#	Name
1924A	Did We Get Everything Covered? constructive algorithms, dp, greedy, shortest paths, strings	1500	x13704
1923C	Find B constructive algorithms, greedy	1400	x14798
1922C	Closest Cities greedy, implementation, math	1300	x18228
1921E	Eat the Chip brute force, games, greedy, math	1600	x9662
1920C	Partitioning the Array brute force, math, number theory	1600	x13284
1919C	Grouping Increases data structures, dp, greedy	1400	x18680
1918C	XOR-distance bitmasks, greedy, implementation, math	1400	x13751
1917C	Watering an Array brute force, greedy, implementation, math	1600	x10275
1916D	Mathematical Problem brute force, constructive algorithms, geometry, math	1700	x8430
1915F	Greetings data structures, divide and conquer, sortings	1500	x13426
1915E	Romantic Glasses data structures, greedy, math	1300	x21216
1914E2	Game with Marbles (Hard Version) games, greedy, sortings	1400	x12207
1914E1	Game with Marbles (Easy Version) brute force, games, greedy, sortings	1400	x12053
1913C	Game with Multiset binary search, bitmasks, brute force, greedy	1300	x14829
1910C	Poisonous Swamp special problem, special problem, implementation, implementation	1600	x625
1910B	Security Guard *special problem, greedy	1600	x667
1909C	Heavy Intervals constructive algorithms, data structures, dsu, greedy, math, sortings	1400	x11007
1907E	Good Triples brute force, combinatorics, number theory	1600	x10048
1907D	Jumping Through Segments binary search, constructive algorithms	1400	x13914
1906M	Triangle Construction greedy, math	1700	x2609
1905C	Largest Subsequence greedy, strings	1400	x12118
1904D1	Set To Max (Easy Version) brute force, constructive algorithms, greedy	1600	x6585
1904C	Array Game binary search, brute force, data structures, sortings, two pointers	1400	x12724
1903D1	Maximum And Queries (easy version) binary search, bitmasks, brute force, greedy	1700	x5625
1903C	Theofanis' Nightmare constructive algorithms, greedy	1400	x11751
1902C	Insert and Equalize brute force, constructive algorithms, greedy, math, number theory	1300	x13587
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6865
1901C	Add, Divide and Floor constructive algorithms, greedy, math	1400	x11831
1900C	Anji's Binary Tree dfs and similar, dp, trees	1300	x11395
1899F	Alex's whims constructive algorithms, graphs, greedy, shortest paths, trees	1600	x7507
1899E	Queue Sort greedy, implementation, sortings	1300	x15308
1899D	Yarik and Musical Notes hashing, math, number theory	1300	x13408
1898C	Colorful Grid constructive algorithms	1700	x5442
1898B	Milena and Admirer greedy, math	1500	x11747
1896D	Ones and Twos binary search, data structures, divide and conquer, math, two pointers	1700	x5666
1896C	Matching Arrays binary search, constructive algorithms, greedy, sortings	1400	x9509
1895C	Torn Lucky Ticket brute force, dp, hashing, implementation, math	1400	x11005
1893B	Neutral Tonality constructive algorithms, greedy, sortings, two pointers	1700	x8762
1893A	Anonymous Informant brute force, dfs and similar, graphs, implementation	1400	x12224
1891C	Smilo and Monsters binary search, constructive algorithms, greedy, sortings, two pointers	1500	x13052
1889B	Doremy's Connecting Plan constructive algorithms, greedy, math, sortings	1700	x7287
1889A	Qingshan Loves Strings 2 constructive algorithms, greedy, implementation	1300	x13020
1886C	Decreasing String implementation, strings	1600	x11361
1884C	Medium Design brute force, data structures, dp, greedy, sortings	1700	x6005
1883G1	Dances (Easy version) binary search, greedy, two pointers	1400	x10764
1883F	You Are So Beautiful data structures	1400	x9386
1883E	Look Back bitmasks, greedy	1700	x8012
1883D	In Love data structures, greedy	1500	x11349
1882C	Card Game brute force, greedy	1500	x12223
1882B	Sets and Union bitmasks, brute force, constructive algorithms, greedy	1300	x15311
1881F	Minimum Maximum Distance dfs and similar, dp, graphs, shortest paths, trees	1700	x6814
1881E	Block Sequence dp	1500	x13816
1881D	Divide and Equalize math, number theory	1300	x16879
1879D	Sum of XOR Functions bitmasks, combinatorics, divide and conquer, dp, math	1700	x7289
1879C	Make it Alternating combinatorics, dp, greedy	1300	x16761
1878E	Iva & Pav binary search, bitmasks, data structures, greedy	1400	x12612
1878D	Reverse Madness data structures, greedy	1600	x8245
1876B	Effects of Anti Pimples combinatorics, number theory, sortings	1500	x8194
1875D	Jellyfish and Mex dp	1600	x8547
1875C	Jellyfish and Green Apple bitmasks, greedy, math, number theory	1400	x11652
1873H	Mad City dfs and similar, dsu, games, graphs, shortest paths, trees	1700	x7285
1873G	ABBC or BACB constructive algorithms, greedy	1500	x13083
1873F	Money Trees binary search, greedy, math, two pointers	1300	x15319
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x13433
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x11406
1868B1	Candy Party (Easy Version) bitmasks, constructive algorithms, graphs, greedy, implementation, math	1700	x6915
1868A	Fill in the Matrix constructive algorithms, implementation	1300	x11927
1867C	Salyg1n and the MEX Game constructive algorithms, data structures, games, greedy, interactive	1300	x11168
1866B	Battling with Numbers combinatorics, math, number theory	1400	x7663
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6727
1864C	Divisor Chain bitmasks, constructive algorithms, math, number theory	1300	x13389
1863D	Two-Colored Dominoes constructive algorithms, greedy	1400	x9447
1862E	Kolya and Movie Theatre constructive algorithms, data structures, greedy	1600	x10632
1862D	Ice Cream Balls binary search, combinatorics, constructive algorithms, math	1300	x17098
1861C	Queries for the Array data structures, dfs and similar, implementation, strings, trees	1600	x10043
1860C	Game on Permutation data structures, dp, games, greedy	1400	x13238
1858B	The Walkway brute force, dp, greedy, math, number theory	1500	x11248
1857F	Sum and Product binary search, data structures, math	1600	x11423
1857E	Power of Points math, sortings	1500	x12351
1857D	Strong Vertices math, sortings, trees	1300	x19367
1856C	To Become Max binary search, brute force, data structures, dp	1600	x12227
1854A1	Dual (Easy Version) constructive algorithms, math	1400	x14025
1851E	Nastya and Potions dfs and similar, dp, graphs, sortings	1500	x10261
1851D	Prefix Permutation Sums implementation, math	1300	x15126
1850H	The Third Letter dfs and similar, dsu, graphs, greedy, implementation	1700	x8130
1850G	The Morning Star combinatorics, data structures, geometry, implementation, math, sortings	1500	x12298
1850F	We Were Both Children brute force, implementation, math, number theory	1300	x18933
1849D	Array Painting constructive algorithms, greedy, two pointers	1700	x8412
1849C	Binary String Copying binary search, brute force, data structures, hashing, strings	1600	x10456
1847C	Vampiric Powers, anyone? bitmasks, brute force, dp, greedy	1400	x12812
1846E1	Rudolf and Snowflakes (simple version) brute force, implementation, math	1300	x16754
1845C	Strong Password binary search, dp, greedy, strings	1400	x14155
1844D	Row Major constructive algorithms, greedy, math, number theory, strings	1400	x12237
1844C	Particles dp, greedy, implementation, math	1300	x15548
1843E	Tracking Segments binary search, brute force, data structures, two pointers	1600	x12215
1842C	Tenzing and Balls dp	1500	x12711
1840E	Character Blocking data structures, hashing, implementation	1600	x7992
1840D	Wooden Toy Festival binary search, greedy, sortings	1400	x13677
1839C	Insert Zero and Invert Prefix constructive algorithms	1300	x11899
1838C	No Prime Differences constructive algorithms, math, number theory	1400	x14373