Problemset - Codeforces

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Codeforces Round 912 (Div. 2)
11:49:58
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Problems

#	Name
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x3891
1900F	Local Deletions binary search, data structures, implementation	2800	x87
1900E	Transitive Graph dfs and similar, dp, dsu, graphs, implementation	2100	x1038
1900A	Cover in Water constructive algorithms, greedy, implementation, strings	800	x12373
1899E	Queue Sort greedy, implementation, sortings	1300	x9745
1899B	250 Thousand Tons of TNT brute force, implementation, number theory	1100	x13311
1898A	Milica and String brute force, implementation, strings	800	x11506
1896G	Pepe Racing constructive algorithms, implementation, interactive, sortings	3200	x111
1896F	Bracket Xoring bitmasks, constructive algorithms, graph matchings, implementation	2600	x392
1895C	Torn Lucky Ticket brute force, dp, hashing, implementation, math	1400	x8239
1894A	Secret Sport implementation, strings	800	x15292
1893C	Freedom of Choice brute force, greedy, implementation	2000	x1933
1893A	Anonymous Informant brute force, dfs and similar, graphs, implementation	1400	x8847
1891E	Brukhovich and Exams brute force, greedy, implementation, math, sortings	2500	x624
1890B	Qingshan Loves Strings constructive algorithms, implementation	800	x14662
1889D	Game of Stacks brute force, dfs and similar, graphs, implementation, trees	3000	x386
1889A	Qingshan Loves Strings 2 constructive algorithms, greedy, implementation	1300	x9917
1886C	Decreasing String implementation, strings	1600	x8429
1884E	Hard Design greedy, implementation, math	2800	x195
1881C	Perfect Square brute force, implementation	1200	x13151
1879E	Interactive Game with Coloring brute force, constructive algorithms, dfs and similar, graphs, implementation, interactive, trees	2400	x1073
1878G	wxhtzdy ORO Tree binary search, bitmasks, brute force, data structures, dfs and similar, implementation, trees	2300	x916
1874A	Jellyfish and Game brute force, games, greedy, implementation	1200	x13596
1873D	1D Eraser greedy, implementation, two pointers	800	x28071
1873C	Target Practice implementation, math	800	x28363
1873A	Short Sort brute force, implementation	800	x39352
1872F	Selling a Menagerie dfs and similar, dsu, graphs, implementation, math	1800	x4995
1872B	The Corridor or There and Back Again greedy, implementation	900	x24307
1870D	Prefix Purchase greedy, implementation, sortings	1800	x5748
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x9528
1868F	LIS? data structures, greedy, implementation	3500	x47
1868D	Flower-like Pseudotree constructive algorithms, graphs, greedy, implementation, trees	3000	x214
1868C	Travel Plan combinatorics, dp, implementation, math, trees	2400	x970
1868B2	Candy Party (Hard Version) bitmasks, constructive algorithms, dp, greedy, implementation, math	2100	x2080
1868B1	Candy Party (Easy Version) bitmasks, constructive algorithms, graphs, greedy, implementation, math	1700	x5745
1868A	Fill in the Matrix constructive algorithms, implementation	1300	x9965
1867D	Cyclic Operations brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	1800	x4745
1866K	Keen Tree Calculation binary search, data structures, dp, geometry, graphs, implementation, trees	2500	x358
1864G	Magic Square combinatorics, constructive algorithms, implementation	3100	x224
1864F	Exotic Queries data structures, implementation, sortings	2300	x1194
1864A	Increasing and Decreasing constructive algorithms, greedy, implementation, math	800	x18834
1863C	MEX Repetition implementation, math	1100	x12099
1863A	Channel greedy, implementation	800	x16311
1862C	Flower City Fence binary search, data structures, implementation, sortings	1100	x17945
1862A	Gift Carpet dp, greedy, implementation, strings	800	x28090
1861E	Non-Intersecting Subpermutations combinatorics, dp, implementation, math	2300	x1454
1861C	Queries for the Array data structures, dfs and similar, implementation, strings, trees	1600	x8430
1860F	Evaluate RBS data structures, geometry, implementation, math, sortings	2900	x241
1857B	Maximum Rounding greedy, implementation, math	1100	x20668
1856E2	PermuTree (hard version) bitmasks, dfs and similar, dp, fft, greedy, implementation, math, trees	2700	x1161
1856B	Good Arrays implementation, math	900	x21230
1856A	Tales of a Sort implementation	800	x24617
1851G	Vlad and the Mountains binary search, data structures, dsu, graphs, implementation, sortings, trees, two pointers	2000	x2574
1851D	Prefix Permutation Sums implementation, math	1300	x12986
1850H	The Third Letter dfs and similar, dsu, graphs, greedy, implementation	1700	x6478
1850G	The Morning Star combinatorics, data structures, geometry, implementation, math, sortings	1500	x9635
1850F	We Were Both Children brute force, implementation, math, number theory	1300	x14758
1850E	Cardboard for Pictures binary search, geometry, implementation, math	1100	x18089
1850D	Balanced Round brute force, greedy, implementation, sortings	900	x27134
1850C	Word on the Paper implementation, strings	800	x35554
1850B	Ten Words of Wisdom implementation, sortings	800	x35935
1850A	To My Critics implementation, sortings	800	x42510
1849A	Morning Sandwich implementation, math	800	x25547
1848E	Vika and Stone Skipping brute force, implementation, math, number theory	2600	x682
1848B	Vika and the Bridge binary search, data structures, greedy, implementation, math, sortings	1200	x11681
1847E	Triangle Platinum? brute force, combinatorics, implementation, interactive, math, probabilities	2900	x297
1847D	Professor Higashikata data structures, dsu, greedy, implementation, strings	1900	x3307
1846F	Rudolph and Mimic constructive algorithms, implementation, interactive	1800	x2538
1846E2	Rudolf and Snowflakes (hard version) binary search, brute force, implementation, math	1800	x5982
1846E1	Rudolf and Snowflakes (simple version) brute force, implementation, math	1300	x13800
1846B	Rudolph and Tic-Tac-Toe brute force, implementation, strings	800	x24598
1846A	Rudolph and Cut the Rope implementation, math	800	x29642
1845E	Boxes and Balls dp, implementation, math	2500	x1171
1845B	Come Together geometry, implementation, math	900	x19525
1845A	Forbidden Integer constructive algorithms, implementation, math, number theory	800	x21943
1844G	Tree Weights bitmasks, constructive algorithms, data structures, dfs and similar, implementation, math, matrices, number theory, trees	3000	x560
1844C	Particles dp, greedy, implementation, math	1300	x13627
1841B	Keep it Beautiful implementation	1000	x19092
1840E	Character Blocking data structures, hashing, implementation	1600	x6830
1840A	Cipher Shifer implementation, strings, two pointers	800	x30442
1839A	The Good Array greedy, implementation, math	800	x16385
1837F	Editorial for Two binary search, data structures, greedy, implementation	2400	x1877
1836A	Destroyer implementation, sortings	800	x18751
1835F	Good Graph bitmasks, dfs and similar, graph matchings, graphs, implementation	3500	x115
1835A	k-th equality brute force, implementation, math	1700	x6854
1834E	MEX of LCM binary search, data structures, implementation, math, number theory	2300	x1812
1834D	Survey in Class brute force, data structures, greedy, implementation, sortings	1900	x3895
1833G	Ksyusha and Chinchilla constructive algorithms, dfs and similar, dp, dsu, greedy, implementation, trees	1800	x4357
1833F	Ira and Flamenco combinatorics, constructive algorithms, data structures, implementation, math, sortings, two pointers	1700	x5882
1833A	Musical Puzzle implementation, strings	800	x29861
1832D2	Red-Blue Operations (Hard Version) binary search, constructive algorithms, greedy, implementation, math	2400	x1689
1832D1	Red-Blue Operations (Easy Version) binary search, greedy, implementation, math	2100	x2628
1832C	Contrast Value greedy, implementation	1200	x15820
1829G	Hits Different data structures, dp, implementation, math	1600	x8182
1829E	The Lakes dfs and similar, dsu, graphs, implementation	1100	x16178
1829D	Gold Rush brute force, dfs and similar, dp, implementation	1000	x21428
1829C	Mr. Perfectly Fine bitmasks, greedy, implementation	800	x24733
1829B	Blank Space implementation	800	x34468
1829A	Love Story implementation, strings	800	x38789
1826E	Walk the Runway bitmasks, brute force, data structures, dp, graphs, implementation, sortings	2400	x1383

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