Problemset - Codeforces

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Codeforces Round 941 (Div. 1)
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Codeforces Round 941 (Div. 2)
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Problems

#	Name
1875A	Jellyfish and Undertale brute force, greedy	900	x21431
1874C	Jellyfish and EVA dp, graphs, greedy, math, probabilities	2300	x1491
1874A	Jellyfish and Game brute force, games, greedy, implementation	1200	x15686
1873G	ABBC or BACB constructive algorithms, greedy	1500	x11561
1873F	Money Trees binary search, greedy, math, two pointers	1300	x13671
1873D	1D Eraser greedy, implementation, two pointers	800	x32343
1873B	Good Kid brute force, greedy, math	800	x43757
1872G	Replace With Product brute force, greedy, math	2000	x3940
1872B	The Corridor or There and Back Again greedy, implementation	900	x26460
1872A	Two Vessels brute force, greedy, math	800	x37095
1870H	Standard Graph Problem data structures, graphs, greedy, trees	3500	x77
1870D	Prefix Purchase greedy, implementation, sortings	1800	x6365
1870B	Friendly Arrays bitmasks, greedy, math	1200	x13270
1870A	MEXanized Array constructive algorithms, greedy, math	800	x18432
1868F	LIS? data structures, greedy, implementation	3500	x68
1868E	Min-Sum-Max constructive algorithms, dp, greedy	3500	x72
1868D	Flower-like Pseudotree constructive algorithms, graphs, greedy, implementation, trees	3000	x244
1868B2	Candy Party (Hard Version) bitmasks, constructive algorithms, dp, greedy, implementation, math	2100	x2258
1868B1	Candy Party (Easy Version) bitmasks, constructive algorithms, graphs, greedy, implementation, math	1700	x6397
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	x5293
1867C	Salyg1n and the MEX Game constructive algorithms, data structures, games, greedy, interactive	1300	x10490
1866G	Grouped Carriages binary search, data structures, dp, flows, greedy	2100	x1496
1866D	Digital Wallet dp, greedy	2300	x1177
1864I	Future Dominators graphs, greedy	3500	x82
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6301
1864B	Swap and Reverse constructive algorithms, greedy, sortings, strings	1100	x14709
1864A	Increasing and Decreasing constructive algorithms, greedy, implementation, math	800	x19721
1863E	Speedrun brute force, dfs and similar, dp, graphs, greedy, math, sortings, two pointers	2100	x2596
1863D	Two-Colored Dominoes constructive algorithms, greedy	1400	x8886
1863B	Split Sort greedy, math, sortings	1100	x14517
1863A	Channel greedy, implementation	800	x17391
1862E	Kolya and Movie Theatre constructive algorithms, data structures, greedy	1600	x9499
1862A	Gift Carpet dp, greedy, implementation, strings	800	x30548
1861F	Four Suits binary search, bitmasks, flows, greedy	3200	x146
1861D	Sorting By Multiplication dp, greedy	1800	x6198
1861B	Two Binary Strings constructive algorithms, dp, greedy	1000	x19967
1860C	Game on Permutation data structures, dp, games, greedy	1400	x12334
1860B	Fancy Coins binary search, brute force, greedy, math	1200	x15928
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6494
1859C	Another Permutation Problem brute force, dp, greedy, math	1200	x16234
1859B	Olya and Game with Arrays constructive algorithms, greedy, math, sortings	1000	x24071
1858D	Trees and Segments brute force, data structures, dp, greedy, two pointers	2200	x2677
1858C	Yet Another Permutation Problem constructive algorithms, greedy, math, number theory	1000	x21834
1858B	The Walkway brute force, dp, greedy, math, number theory	1500	x10562
1858A	Buttons games, greedy, math	800	x33905
1857G	Counting Graphs combinatorics, divide and conquer, dsu, graphs, greedy, sortings, trees	2000	x4049
1857C	Assembly via Minimums greedy, sortings	1200	x22649
1857B	Maximum Rounding greedy, implementation, math	1100	x21975
1857A	Array Coloring greedy, math	800	x43062
1856E2	PermuTree (hard version) bitmasks, dfs and similar, dp, fft, greedy, implementation, math, trees	2700	x1301
1855B	Longest Divisors Interval brute force, combinatorics, greedy, math, number theory	900	x23535
1855A	Dalton the Teacher greedy, math	800	x27061
1854E	Game Bundles brute force, constructive algorithms, dp, greedy, math	3000	x378
1853A	Desorting brute force, greedy, math	800	x27697
1852E	Rivalries constructive algorithms, data structures, greedy	3400	x157
1852D	Miriany and Matchstick constructive algorithms, dp, greedy	2800	x424
1852C	Ina of the Mountain data structures, dp, greedy, math	2400	x1435
1852B	Imbalanced Arrays constructive algorithms, graphs, greedy, math, sortings, two pointers	1800	x4117
1851F	Lisa and the Martians bitmasks, greedy, math, strings, trees	1800	x5260
1851C	Tiles Comeback greedy	1000	x22138
1851B	Parity Sort greedy, sortings, two pointers	800	x27929
1850H	The Third Letter dfs and similar, dsu, graphs, greedy, implementation	1700	x7444
1850D	Balanced Round brute force, greedy, implementation, sortings	900	x31975
1849F	XOR Partition binary search, bitmasks, data structures, divide and conquer, greedy, trees	2700	x626
1849D	Array Painting constructive algorithms, greedy, two pointers	1700	x7691
1849B	Monsters greedy, math, sortings	1000	x22450
1848B	Vika and the Bridge binary search, data structures, greedy, implementation, math, sortings	1200	x13258
1847F	The Boss's Identity binary search, bitmasks, data structures, dfs and similar, greedy, math, sortings	2500	x848
1847D	Professor Higashikata data structures, dsu, greedy, implementation, strings	1900	x3584
1847C	Vampiric Powers, anyone? bitmasks, brute force, dp, greedy	1400	x12163
1847B	Hamon Odyssey bitmasks, greedy, two pointers	1000	x19006
1847A	The Man who became a God greedy, sortings	800	x21615
1846G	Rudolf and CodeVid-23 bitmasks, dp, graphs, greedy, shortest paths	1900	x4012
1846C	Rudolf and the Another Competition constructive algorithms, data structures, dp, greedy, sortings	1200	x17858
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7273
1845C	Strong Password binary search, dp, greedy, strings	1400	x13265
1844F2	Min Cost Permutation (Hard Version) binary search, constructive algorithms, data structures, greedy, math, sortings	2800	x367
1844F1	Min Cost Permutation (Easy Version) brute force, constructive algorithms, greedy, math	2600	x736
1844D	Row Major constructive algorithms, greedy, math, number theory, strings	1400	x11571
1844C	Particles dp, greedy, implementation, math	1300	x14744
1843F1	Omsk Metro (simple version) data structures, dfs and similar, dp, graphs, greedy, math, trees	1800	x4951
1843B	Long Long greedy, math, two pointers	800	x27910
1843A	Sasha and Array Coloring greedy, sortings, two pointers	800	x32827
1842I	Tenzing and Necklace divide and conquer, dp, greedy	3500	x107
1842F	Tenzing and Tree dfs and similar, greedy, shortest paths, sortings, trees	2500	x1234
1842E	Tenzing and Triangle data structures, dp, geometry, greedy, math	2300	x1522
1842D	Tenzing and His Animal Friends constructive algorithms, graphs, greedy	1900	x3899
1842B	Tenzing and Books bitmasks, greedy, math	1100	x15534
1841E	Fill the Matrix data structures, greedy, math	2200	x1870
1841D	Pairs of Segments data structures, greedy, sortings, two pointers	2000	x4112
1841C	Ranom Numbers brute force, dp, greedy, math, strings	1800	x7254
1840D	Wooden Toy Festival binary search, greedy, sortings	1400	x12689
1839E	Decreasing Game constructive algorithms, dfs and similar, dp, greedy, interactive	2400	x1141
1839B	Lamps greedy, sortings	1100	x14439
1839A	The Good Array greedy, implementation, math	800	x17058
1838D	Bracket Walk data structures, greedy, strings	2100	x3049
1837F	Editorial for Two binary search, data structures, greedy, implementation	2400	x2051
1837D	Bracket Coloring constructive algorithms, greedy	1400	x13230
1837C	Best Binary String constructive algorithms, greedy	1000	x21035