Problemset - Codeforces

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Codeforces Round 987 (Div. 2)
10:31:58
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Problems

#	Name
1883D	In Love data structures, greedy	1500	x11691
1882E2	Two Permutations (Hard Version) constructive algorithms	3100	x297
1882E1	Two Permutations (Easy Version) brute force, constructive algorithms, greedy, number theory	2400	x1035
1882D	Tree XOR bitmasks, dfs and similar, dp, greedy, trees	1900	x5578
1882C	Card Game brute force, greedy	1500	x12507
1881G	Anya and the Mysterious String binary search, data structures	2000	x2417
1881F	Minimum Maximum Distance dfs and similar, dp, graphs, shortest paths, trees	1700	x7096
1881E	Block Sequence dp	1500	x14610
1879F	Last Man Standing brute force, data structures, number theory	2800	x516
1879E	Interactive Game with Coloring brute force, constructive algorithms, dfs and similar, graphs, implementation, interactive, trees	2400	x1276
1879D	Sum of XOR Functions bitmasks, combinatorics, divide and conquer, dp, math	1700	x7537
1878G	wxhtzdy ORO Tree binary search, bitmasks, brute force, data structures, dfs and similar, implementation, trees	2300	x1195
1878F	Vasilije Loves Number Theory brute force, math, number theory	1900	x4166
1878E	Iva & Pav binary search, bitmasks, data structures, greedy	1400	x13121
1878D	Reverse Madness data structures, greedy	1600	x8463
1876G	Clubstep binary search, brute force, data structures, greedy, trees	3500	x140
1876F	Indefinite Clownfish binary search, graphs	3500	x138
1876E	Ball-Stackable constructive algorithms, data structures, dp, trees	3300	x271
1876D	Lexichromatography combinatorics, dfs and similar, dsu, graphs, two pointers	2500	x890
1876C	Autosynthesis constructive algorithms, dfs and similar, graphs, greedy, sortings	2100	x2317
1876B	Effects of Anti Pimples combinatorics, number theory, sortings	1500	x8431
1875D	Jellyfish and Mex dp	1600	x8861
1875C	Jellyfish and Green Apple bitmasks, greedy, math, number theory	1400	x11862
1874G	Jellyfish and Inscryption dp	3500	x88
1874F	Jellyfish and OEIS dp	3500	x214
1874E	Jellyfish and Hack dp, math	3000	x321
1874D	Jellyfish and Miku divide and conquer, dp, math, probabilities	2800	x740
1874C	Jellyfish and EVA dp, graphs, greedy, math, probabilities	2300	x1743
1874B	Jellyfish and Math bitmasks, brute force, dfs and similar, dp, graphs, shortest paths	2400	x1159
1873H	Mad City dfs and similar, dsu, games, graphs, shortest paths, trees	1700	x7532
1873G	ABBC or BACB constructive algorithms, greedy	1500	x13554
1872G	Replace With Product brute force, greedy, math	2000	x4332
1872F	Selling a Menagerie dfs and similar, dsu, graphs, implementation, math	1800	x6429
1872E	Data Structures Fan binary search, bitmasks, data structures, dp	1500	x13960
1870H	Standard Graph Problem data structures, graphs, greedy, trees	3500	x87
1870G	MEXanization data structures	3300	x219
1870F	Lazy Numbers binary search, math	2900	x495
1870E	Another MEX Problem bitmasks, brute force, dp, shortest paths	2300	x2399
1870D	Prefix Purchase greedy, implementation, sortings	1800	x7062
1868F	LIS? data structures, greedy, implementation	3500	x78
1868E	Min-Sum-Max constructive algorithms, dp, greedy	3500	x86
1868D	Flower-like Pseudotree constructive algorithms, graphs, greedy, implementation, trees	3000	x289
1868C	Travel Plan combinatorics, dp, implementation, math, trees	2400	x1174
1868B2	Candy Party (Hard Version) bitmasks, constructive algorithms, dp, greedy, implementation, math	2100	x2428
1868B1	Candy Party (Easy Version) bitmasks, constructive algorithms, graphs, greedy, implementation, math	1700	x7084
1867F	Most Different Tree brute force, constructive algorithms, dfs and similar, greedy, hashing	2700	x425
1867E2	Salyg1n and Array (hard version) constructive algorithms, interactive	2200	x3219
1867E1	Salyg1n and Array (simple version) constructive algorithms, interactive, math	2000	x3796
1867D	Cyclic Operations brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	1800	x5861
1866M	Mighty Rock Tower brute force, combinatorics, dp, math, probabilities	2400	x814
1866L	Lihmuf Balling binary search, brute force, math	2400	x727
1866K	Keen Tree Calculation binary search, data structures, dp, geometry, graphs, implementation, trees	2500	x448
1866J	Jackets and Packets dp	2800	x291
1866I	Imagination Castle dp, games, two pointers	2300	x771
1866H	Happy Sets combinatorics	2100	x1665
1866G	Grouped Carriages binary search, data structures, dp, flows, greedy	2100	x1729
1866F	Freak Joker Process binary search, data structures, sortings	3100	x136
1866E	Elevators of Tamem dp	2700	x418
1866D	Digital Wallet dp, greedy	2300	x1334
1866C	Completely Searching for Inversions dfs and similar, dp, graphs	1900	x3075
1866B	Battling with Numbers combinatorics, math, number theory	1400	x7827
1864I	Future Dominators graphs, greedy	3500	x89
1864H	Asterism Stream dp, math, matrices	3200	x286
1864G	Magic Square combinatorics, constructive algorithms, implementation	3100	x280
1864F	Exotic Queries data structures, implementation, sortings	2300	x1448
1864E	Guess Game bitmasks, data structures, games, math, probabilities, sortings, strings, trees	2100	x2671
1864D	Matrix Cascade brute force, constructive algorithms, data structures, dp, greedy, math	1700	x6840
1863I	Redundant Routes constructive algorithms, dp, trees	3500	x84
1863H	Goldberg Machine 3 dp, trees	3500	x83
1863G	Swaps combinatorics, dp, graphs, math	2800	x649
1863F	Divide, XOR, and Conquer bitmasks, dp, math	2600	x1149
1863E	Speedrun brute force, dfs and similar, dp, graphs, greedy, math, sortings, two pointers	2100	x2792
1863D	Two-Colored Dominoes constructive algorithms, greedy	1400	x9581
1862G	The Great Equalizer binary search, data structures, math, sortings	2000	x2918
1862F	Magic Will Save the World binary search, bitmasks, brute force, dp	1800	x6352
1862E	Kolya and Movie Theatre constructive algorithms, data structures, greedy	1600	x10871
1861F	Four Suits binary search, bitmasks, flows, greedy	3200	x205
1861E	Non-Intersecting Subpermutations combinatorics, dp, implementation, math	2300	x1756
1861D	Sorting By Multiplication dp, greedy	1800	x6859
1861C	Queries for the Array data structures, dfs and similar, implementation, strings, trees	1600	x10263
1860F	Evaluate RBS data structures, geometry, implementation, math, sortings	2900	x280
1860E	Fast Travel Text Editor data structures, dfs and similar, graphs, shortest paths	2400	x1444
1860D	Balanced String dp	2200	x3045
1860C	Game on Permutation data structures, dp, games, greedy	1400	x13478
1859F	Teleportation in Byteland data structures, dfs and similar, divide and conquer, graphs, shortest paths, trees	3200	x409
1859E	Maximum Monogonosity brute force, dp, math	2500	x1800
1859D	Andrey and Escape from Capygrad binary search, data structures, dp, dsu, greedy, sortings	1800	x7072
1858E2	Rollbacks (Hard Version) data structures, interactive, trees	2600	x1074
1858E1	Rollbacks (Easy Version) brute force, data structures, dfs and similar, trees	2500	x1343
1858D	Trees and Segments brute force, data structures, dp, greedy, two pointers	2200	x2851
1858B	The Walkway brute force, dp, greedy, math, number theory	1500	x11416
1857G	Counting Graphs combinatorics, divide and conquer, dsu, graphs, greedy, sortings, trees	2000	x4524
1857F	Sum and Product binary search, data structures, math	1600	x11763
1857E	Power of Points math, sortings	1500	x12626
1856E2	PermuTree (hard version) bitmasks, dfs and similar, dp, fft, greedy, implementation, math, trees	2700	x1437
1856E1	PermuTree (easy version) dfs and similar, dp, trees	1800	x5405
1856D	More Wrong divide and conquer, interactive	2100	x3287
1856C	To Become Max binary search, brute force, data structures, dp	1600	x12598
1854F	Mark and Spaceship brute force, dp	3500	x122
1854E	Game Bundles brute force, constructive algorithms, dp, greedy, math	3000	x432