Problemset - Codeforces

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Educational Codeforces Round 165 (Rated for Div. 2)
39:13:29
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Problems

#	Name
1876C	Autosynthesis constructive algorithms, dfs and similar, graphs, greedy, sortings	2100	x2128
1876A	Helmets in Night Light greedy, sortings	1000	x14655
1875C	Jellyfish and Green Apple bitmasks, greedy, math, number theory	1400	x10736
1875A	Jellyfish and Undertale brute force, greedy	900	x21529
1874C	Jellyfish and EVA dp, graphs, greedy, math, probabilities	2300	x1495
1874A	Jellyfish and Game brute force, games, greedy, implementation	1200	x15708
1873G	ABBC or BACB constructive algorithms, greedy	1500	x11585
1873F	Money Trees binary search, greedy, math, two pointers	1300	x13701
1873D	1D Eraser greedy, implementation, two pointers	800	x32410
1873B	Good Kid brute force, greedy, math	800	x43882
1872G	Replace With Product brute force, greedy, math	2000	x3947
1872B	The Corridor or There and Back Again greedy, implementation	900	x26491
1872A	Two Vessels brute force, greedy, math	800	x37136
1870H	Standard Graph Problem data structures, graphs, greedy, trees	3500	x77
1870D	Prefix Purchase greedy, implementation, sortings	1800	x6387
1870B	Friendly Arrays bitmasks, greedy, math	1200	x13289
1870A	MEXanized Array constructive algorithms, greedy, math	800	x18442
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	x2263
1868B1	Candy Party (Easy Version) bitmasks, constructive algorithms, graphs, greedy, implementation, math	1700	x6411
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	x5305
1867C	Salyg1n and the MEX Game constructive algorithms, data structures, games, greedy, interactive	1300	x10500
1866G	Grouped Carriages binary search, data structures, dp, flows, greedy	2100	x1498
1866D	Digital Wallet dp, greedy	2300	x1178
1864I	Future Dominators graphs, greedy	3500	x82
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6309
1864B	Swap and Reverse constructive algorithms, greedy, sortings, strings	1100	x14722
1864A	Increasing and Decreasing constructive algorithms, greedy, implementation, math	800	x19730
1863E	Speedrun brute force, dfs and similar, dp, graphs, greedy, math, sortings, two pointers	2100	x2600
1863D	Two-Colored Dominoes constructive algorithms, greedy	1400	x8897
1863B	Split Sort greedy, math, sortings	1100	x14531
1863A	Channel greedy, implementation	800	x17403
1862E	Kolya and Movie Theatre constructive algorithms, data structures, greedy	1600	x9523
1862A	Gift Carpet dp, greedy, implementation, strings	800	x30584
1861F	Four Suits binary search, bitmasks, flows, greedy	3200	x146
1861D	Sorting By Multiplication dp, greedy	1800	x6222
1861B	Two Binary Strings constructive algorithms, dp, greedy	1000	x19997
1860C	Game on Permutation data structures, dp, games, greedy	1400	x12354
1860B	Fancy Coins binary search, brute force, greedy, math	1200	x15950
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x6512
1859C	Another Permutation Problem brute force, dp, greedy, math	1200	x16255
1859B	Olya and Game with Arrays constructive algorithms, greedy, math, sortings	1000	x24122
1858D	Trees and Segments brute force, data structures, dp, greedy, two pointers	2200	x2683
1858C	Yet Another Permutation Problem constructive algorithms, greedy, math, number theory	1000	x21872
1858B	The Walkway brute force, dp, greedy, math, number theory	1500	x10577
1858A	Buttons games, greedy, math	800	x33975
1857G	Counting Graphs combinatorics, divide and conquer, dsu, graphs, greedy, sortings, trees	2000	x4051
1857C	Assembly via Minimums greedy, sortings	1200	x22718
1857B	Maximum Rounding greedy, implementation, math	1100	x21987
1857A	Array Coloring greedy, math	800	x43157
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	x23596
1855A	Dalton the Teacher greedy, math	800	x27089
1854E	Game Bundles brute force, constructive algorithms, dp, greedy, math	3000	x379
1853A	Desorting brute force, greedy, math	800	x27767
1852E	Rivalries constructive algorithms, data structures, greedy	3400	x157
1852D	Miriany and Matchstick constructive algorithms, dp, greedy	2800	x426
1852C	Ina of the Mountain data structures, dp, greedy, math	2400	x1445
1852B	Imbalanced Arrays constructive algorithms, graphs, greedy, math, sortings, two pointers	1800	x4127
1851F	Lisa and the Martians bitmasks, greedy, math, strings, trees	1800	x5271
1851C	Tiles Comeback greedy	1000	x22164
1851B	Parity Sort greedy, sortings, two pointers	800	x27980
1850H	The Third Letter dfs and similar, dsu, graphs, greedy, implementation	1700	x7455
1850D	Balanced Round brute force, greedy, implementation, sortings	900	x32054
1849F	XOR Partition binary search, bitmasks, data structures, divide and conquer, greedy, trees	2700	x646
1849D	Array Painting constructive algorithms, greedy, two pointers	1700	x7713
1849B	Monsters greedy, math, sortings	1000	x22520
1848B	Vika and the Bridge binary search, data structures, greedy, implementation, math, sortings	1200	x13289
1847F	The Boss's Identity binary search, bitmasks, data structures, dfs and similar, greedy, math, sortings	2500	x850
1847D	Professor Higashikata data structures, dsu, greedy, implementation, strings	1900	x3589
1847C	Vampiric Powers, anyone? bitmasks, brute force, dp, greedy	1400	x12178
1847B	Hamon Odyssey bitmasks, greedy, two pointers	1000	x19032
1847A	The Man who became a God greedy, sortings	800	x21630
1846G	Rudolf and CodeVid-23 bitmasks, dp, graphs, greedy, shortest paths	1900	x4030
1846C	Rudolf and the Another Competition constructive algorithms, data structures, dp, greedy, sortings	1200	x17880
1845D	Rating System binary search, brute force, data structures, dp, dsu, greedy, math, two pointers	1800	x7287
1845C	Strong Password binary search, dp, greedy, strings	1400	x13283
1844F2	Min Cost Permutation (Hard Version) binary search, constructive algorithms, data structures, greedy, math, sortings	2800	x368
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	x11580
1844C	Particles dp, greedy, implementation, math	1300	x14767
1843F1	Omsk Metro (simple version) data structures, dfs and similar, dp, graphs, greedy, math, trees	1800	x4958
1843B	Long Long greedy, math, two pointers	800	x27941
1843A	Sasha and Array Coloring greedy, sortings, two pointers	800	x32872
1842I	Tenzing and Necklace divide and conquer, dp, greedy	3500	x107
1842F	Tenzing and Tree dfs and similar, greedy, shortest paths, sortings, trees	2500	x1239
1842E	Tenzing and Triangle data structures, dp, geometry, greedy, math	2300	x1526
1842D	Tenzing and His Animal Friends constructive algorithms, graphs, greedy	1900	x3907
1842B	Tenzing and Books bitmasks, greedy, math	1100	x15563
1841E	Fill the Matrix data structures, greedy, math	2200	x1873
1841D	Pairs of Segments data structures, greedy, sortings, two pointers	2000	x4116
1841C	Ranom Numbers brute force, dp, greedy, math, strings	1800	x7276
1840D	Wooden Toy Festival binary search, greedy, sortings	1400	x12708
1839E	Decreasing Game constructive algorithms, dfs and similar, dp, greedy, interactive	2400	x1141
1839B	Lamps greedy, sortings	1100	x14447
1839A	The Good Array greedy, implementation, math	800	x17064
1838D	Bracket Walk data structures, greedy, strings	2100	x3066