Problemset - Codeforces

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Codeforces Round 943 (Div. 3)
17:23:15
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Problems

#	Name
1904A	Forked! brute force, implementation	900	x15676
1902F	Trees and XOR Queries Again data structures, dfs and similar, divide and conquer, graphs, implementation, math, trees	2400	x890
1902D	Robot Queries binary search, data structures, dp, implementation	1900	x3646
1901D	Yet Another Monster Fight binary search, dp, greedy, implementation, math	1700	x6111
1900F	Local Deletions binary search, data structures, implementation	2800	x257
1900E	Transitive Graph dfs and similar, dp, dsu, graphs, implementation	2100	x1781
1900A	Cover in Water constructive algorithms, greedy, implementation, strings	800	x21648
1899E	Queue Sort greedy, implementation, sortings	1300	x13838
1899B	250 Thousand Tons of TNT brute force, implementation, number theory	1100	x17980
1898A	Milica and String brute force, implementation, strings	800	x15007
1896G	Pepe Racing constructive algorithms, implementation, interactive, sortings	3200	x299
1896F	Bracket Xoring constructive algorithms, greedy, implementation, math	2600	x647
1895C	Torn Lucky Ticket brute force, dp, hashing, implementation, math	1400	x10064
1894A	Secret Sport implementation, strings	800	x18068
1893C	Freedom of Choice brute force, greedy, implementation	2000	x2423
1893A	Anonymous Informant brute force, dfs and similar, graphs, implementation	1400	x11211
1891E	Brukhovich and Exams brute force, greedy, implementation, math, sortings	2500	x770
1890B	Qingshan Loves Strings constructive algorithms, implementation	800	x16611
1889D	Game of Stacks brute force, dfs and similar, graphs, implementation, trees	3000	x515
1889A	Qingshan Loves Strings 2 constructive algorithms, greedy, implementation	1300	x11969
1886C	Decreasing String implementation, strings	1600	x10158
1884E	Hard Design greedy, implementation, math	2800	x261
1881C	Perfect Square brute force, implementation	1200	x15785
1879E	Interactive Game with Coloring brute force, constructive algorithms, dfs and similar, graphs, implementation, interactive, trees	2400	x1179
1878G	wxhtzdy ORO Tree binary search, bitmasks, brute force, data structures, dfs and similar, implementation, trees	2300	x1089
1874A	Jellyfish and Game brute force, games, greedy, implementation	1200	x15729
1873D	1D Eraser greedy, implementation, two pointers	800	x32486
1873C	Target Practice implementation, math	800	x35008
1873A	Short Sort brute force, implementation	800	x48451
1872F	Selling a Menagerie dfs and similar, dsu, graphs, implementation, math	1800	x5769
1872B	The Corridor or There and Back Again greedy, implementation	900	x26528
1870D	Prefix Purchase greedy, implementation, sortings	1800	x6396
1870C	Colorful Table binary search, data structures, dp, implementation, math, two pointers	1300	x10693
1868F	LIS? data structures, greedy, implementation	3500	x69
1868D	Flower-like Pseudotree constructive algorithms, graphs, greedy, implementation, trees	3000	x244
1868C	Travel Plan combinatorics, dp, implementation, math, trees	2400	x1066
1868B2	Candy Party (Hard Version) bitmasks, constructive algorithms, dp, greedy, implementation, math	2100	x2266
1868B1	Candy Party (Easy Version) bitmasks, constructive algorithms, graphs, greedy, implementation, math	1700	x6416
1868A	Fill in the Matrix constructive algorithms, implementation	1300	x11125
1867D	Cyclic Operations brute force, constructive algorithms, dfs and similar, graphs, greedy, implementation	1800	x5318
1866K	Keen Tree Calculation binary search, data structures, dp, geometry, graphs, implementation, trees	2500	x406
1864G	Magic Square combinatorics, constructive algorithms, implementation	3100	x252
1864F	Exotic Queries data structures, implementation, sortings	2300	x1307
1864A	Increasing and Decreasing constructive algorithms, greedy, implementation, math	800	x19737
1863C	MEX Repetition implementation, math	1100	x13329
1863A	Channel greedy, implementation	800	x17414
1862C	Flower City Fence binary search, data structures, implementation, sortings	1100	x19581
1862A	Gift Carpet dp, greedy, implementation, strings	800	x30629
1861E	Non-Intersecting Subpermutations combinatorics, dp, implementation, math	2300	x1608
1861C	Queries for the Array data structures, dfs and similar, implementation, strings, trees	1600	x9428
1860F	Evaluate RBS data structures, geometry, implementation, math, sortings	2900	x263
1857B	Maximum Rounding greedy, implementation, math	1100	x22018
1856E2	PermuTree (hard version) bitmasks, dfs and similar, dp, fft, greedy, implementation, math, trees	2700	x1303
1856B	Good Arrays implementation, math	900	x23058
1856A	Tales of a Sort implementation	800	x25738
1851G	Vlad and the Mountains binary search, data structures, dsu, graphs, implementation, sortings, trees, two pointers	2000	x2915
1851D	Prefix Permutation Sums implementation, math	1300	x14315
1850H	The Third Letter dfs and similar, dsu, graphs, greedy, implementation	1700	x7469
1850G	The Morning Star combinatorics, data structures, geometry, implementation, math, sortings	1500	x11153
1850F	We Were Both Children brute force, implementation, math, number theory	1300	x17034
1850E	Cardboard for Pictures binary search, geometry, implementation, math	1100	x20696
1850D	Balanced Round brute force, greedy, implementation, sortings	900	x32129
1850C	Word on the Paper implementation, strings	800	x40819
1850B	Ten Words of Wisdom implementation, sortings	800	x40209
1850A	To My Critics implementation, sortings	800	x50822
1849A	Morning Sandwich implementation, math	800	x26983
1848E	Vika and Stone Skipping brute force, implementation, math, number theory	2600	x740
1848B	Vika and the Bridge binary search, data structures, greedy, implementation, math, sortings	1200	x13304
1847E	Triangle Platinum? brute force, combinatorics, implementation, interactive, math, probabilities	2900	x314
1847D	Professor Higashikata data structures, dsu, greedy, implementation, strings	1900	x3595
1846F	Rudolph and Mimic constructive algorithms, implementation, interactive	1800	x2863
1846E2	Rudolf and Snowflakes (hard version) binary search, brute force, implementation, math	1800	x6564
1846E1	Rudolf and Snowflakes (simple version) brute force, implementation, math	1300	x15300
1846B	Rudolph and Tic-Tac-Toe brute force, implementation, strings	800	x25995
1846A	Rudolph and Cut the Rope implementation, math	800	x31321
1845E	Boxes and Balls dp, implementation, math	2500	x1259
1845B	Come Together geometry, implementation, math	900	x20833
1845A	Forbidden Integer constructive algorithms, implementation, math, number theory	800	x24471
1844G	Tree Weights bitmasks, constructive algorithms, data structures, dfs and similar, implementation, math, matrices, number theory, trees	3000	x637
1844C	Particles dp, greedy, implementation, math	1300	x14785
1841B	Keep it Beautiful implementation	1000	x20464
1840E	Character Blocking data structures, hashing, implementation	1600	x7506
1840A	Cipher Shifer implementation, strings, two pointers	800	x32475
1839A	The Good Array greedy, implementation, math	800	x17072
1837F	Editorial for Two binary search, data structures, greedy, implementation	2400	x2059
1836A	Destroyer implementation, sortings	800	x19760
1835F	Good Graph bitmasks, dfs and similar, graph matchings, graphs, implementation	3500	x143
1835A	k-th equality brute force, implementation, math	1700	x7413
1834E	MEX of LCM binary search, data structures, implementation, math, number theory	2300	x2048
1834D	Survey in Class brute force, data structures, greedy, implementation, sortings	1900	x4339
1833G	Ksyusha and Chinchilla constructive algorithms, dfs and similar, dp, dsu, greedy, implementation, trees	1800	x4921
1833F	Ira and Flamenco combinatorics, constructive algorithms, data structures, implementation, math, sortings, two pointers	1700	x6637
1833A	Musical Puzzle implementation, strings	800	x31508
1832D2	Red-Blue Operations (Hard Version) binary search, constructive algorithms, greedy, implementation, math	2400	x1786
1832D1	Red-Blue Operations (Easy Version) binary search, greedy, implementation, math	2100	x2784
1832C	Contrast Value greedy, implementation	1200	x18161
1829G	Hits Different data structures, dp, implementation, math	1600	x9346
1829E	The Lakes dfs and similar, dsu, graphs, implementation	1100	x18127
1829D	Gold Rush brute force, dfs and similar, dp, implementation	1000	x24099
1829C	Mr. Perfectly Fine bitmasks, greedy, implementation	800	x27027