Problemset - Codeforces

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Codeforces Round 1070 (Div. 2)
08:43:45
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Problems

#	Name
2175B	XOR Array math			x7194
2175A	Little Fairy's Painting implementation			x11840
2174F	Mosaic Tree combinatorics, dp, fft, math, number theory, trees			x198
2174E2	Game of Scientists (Version 2) chinese remainder theorem, dfs and similar, interactive, math			x36
2174E1	Game of Scientists (Version 1) chinese remainder theorem, constructive algorithms, interactive, math			x53
2174D	Secret Message data structures, dp, greedy, trees			x114
2174C2	Beautiful Patterns (Hard Version) combinatorics, math, probabilities			x546
2174C1	Beautiful Patterns (Easy Version) math, probabilities			x692
2174B	Wishing Cards dp			x2180
2174A	Needle in a Haystack greedy, strings, two pointers			x8247
2173F	Isla's Memory Thresholds binary search, data structures, divide and conquer, math			x286
2173E	Shiro's Mirror Duel constructive algorithms, greedy, interactive, probabilities, sortings			x983
2173D	Taiga's Carry Chains bitmasks, brute force, dp, greedy, math			x2354
2173C	Kanade's Perfect Multiples brute force, constructive algorithms, greedy, number theory			x8086
2173B	Niko's Tactical Cards dp, greedy, math			x13145
2173A	Sleeping Through Classes greedy, implementation			x17726
2172N	New Kingdom constructive algorithms, graphs, implementation		2800	x110
2172M	Maximum Distance To Port graphs, shortest paths		1300	x3240
2172L	Maximum Color Segment dp, implementation		2300	x513
2172K	Kindergarten Homework implementation, strings		2100	x606
2172J	Sliding Tiles data structures, divide and conquer, dsu		2300	x378
2172I	Birthday geometry		2000	x766
2172H	Shuffling Cards with Problem Solver 68! hashing, string suffix structures, strings		2500	x221
2172G	Gene Editor		3300	x42
2172F	Cluster Computing System graphs, greedy, math		1600	x2008
2172E	Number Maze implementation		1200	x3343
2172D	Divisor Card Game combinatorics, dp		3100	x61
2172C	Circles Are Far from Each Other binary search, greedy		3100	x63
2172B	Buses greedy, sortings		1800	x1382
2172A	ASCII Art Contest implementation		800	x8678
2171H	Shiori Miyagi and Maximum Array Score binary search, data structures, dp, sortings		2400	x735
2171G	Sakura Adachi and Optimal Sequences bitmasks, combinatorics, greedy, math		2000	x1576
2171F	Rae Taylor and Trees (hard version) binary search, constructive algorithms, data structures, dp, dsu, greedy, implementation, trees		1600	x4802
2171E	Anisphia Wynn Palettia and Good Permutations constructive algorithms, greedy, number theory		2000	x2690
2171D	Rae Taylor and Trees (easy version) binary search, data structures, dp, dsu, greedy, implementation, trees		1400	x8123
2171C2	Renako Amaori and XOR Game (hard version) bitmasks, games, greedy		1400	x8931
2171C1	Renako Amaori and XOR Game (easy version) bitmasks, games, greedy		1100	x14852
2171B	Yuu Koito and Minimum Absolute Sum math		900	x20287
2171A	Shizuku Hoshikawa and Farm Legs brute force, math		800	x28071
2170F	Build XOR on a Segment bitmasks, dp			x518
2170E	Binary Strings and Blocks combinatorics, data structures, dp			x1723
2170D	Almost Roman constructive algorithms, greedy, implementation			x1295
2170C	Quotient and Remainder binary search, greedy, two pointers			x8497
2170B	Addition on a Segment greedy, math			x10496
2170A	Maximum Neighborhood bitmasks, brute force, greedy, implementation, math			x15809
2169F	Subsequence Problem combinatorics, dp, fft, math		2700	x226
2169E	Points Selection dp, greedy		2400	x730
2169D2	Removal of a Sequence (Hard Version) binary search, divide and conquer, greedy, implementation, math, number theory		2100	x1787
2169D1	Removal of a Sequence (Easy Version) binary search, implementation, math, number theory		1500	x6126
2169C	Range Operation dp, greedy, math, two pointers		1300	x9716
2169B	Drifting Away greedy, implementation		1100	x12662
2169A	Alice and Bob greedy, implementation		900	x14014
2168C	Intercepting Butterflies bitmasks, constructive algorithms, graphs, interactive			x737
2168B	Locate binary search, combinatorics, constructive algorithms, greedy, interactive			x1356
2168A2	Encode and Decode (Hard Version) bitmasks, interactive, math			x2828
2168A1	Encode and Decode (Easy Version) constructive algorithms, interactive			x4300
2167G	Mukhammadali and the Smooth Array data structures, dp		1600	x8885
2167F	Tree, TREE!!! dfs and similar, dp, math, trees		1600	x5406
2167E	khba Loves to Sleep! binary search, data structures, geometry, greedy, implementation		1600	x7362
2167D	Yet Another Array Problem brute force, implementation, math, number theory		1000	x25026
2167C	Isamatdin and His Magic Wand! constructive algorithms, greedy, implementation, sortings		800	x31041
2167B	Your Name sortings, strings		800	x41874
2167A	Square? math, sortings		800	x46263
2166B	Tab Closing math		900	x13896
2166A	Same Difference brute force, greedy, strings		800	x17869
2165F	Arctic Acquisition data structures, greedy		3500	x128
2165E	Rainbow Branch constructive algorithms, dp, greedy, trees		3200	x170
2165D	Path Split graph matchings, greedy		2500	x691
2165C	Binary Wine bitmasks, greedy, math		2000	x2678
2165B	Marble Council dp, math, sortings		1900	x3448
2165A	Cyclic Merging constructive algorithms, greedy		1300	x10931
2164H	PalindromePalindrome data structures, strings		3400	x32
2164G	Pointless Machine constructive algorithms, graphs, interactive, trees		3300	x144
2164F2	Chain Prefix Rank (Hard Version) binary search, combinatorics, data structures, dfs and similar, dp, graphs, math, trees		2900	x355
2164F1	Chain Prefix Rank (Easy Version) combinatorics, dfs and similar, dp, math, trees		2600	x549
2164E	Journey data structures, dfs and similar, dsu, graphs, greedy		2300	x1376
2164D	Copy String greedy, implementation, strings, two pointers		1800	x4187
2164C	Dungeon binary search, brute force, data structures, greedy, sortings		1400	x8473
2164B	Even Modulo Pair brute force, math, number theory		1000	x14564
2164A	Sequence Game brute force, sortings		800	x17658
2163E	Plegma bitmasks, combinatorics, interactive		2700	x530
2163D2	Diadrash (Hard Version) binary search, interactive, math, sortings		2500	x1242
2163D1	Diadrash (Easy Version) binary search, brute force, divide and conquer, implementation, interactive		2100	x2285
2163C	Monopati brute force, combinatorics, dp, math, two pointers		1500	x7006
2163B	Siga ta Kymata constructive algorithms, greedy, implementation, math		1700	x7638
2163A	Souvlaki VS. Kalamaki brute force, greedy, math, sortings		800	x17023
2162H	Beautiful Problem dp		2900	x253
2162G	Beautiful Tree constructive algorithms, math, probabilities, trees		2200	x2432
2162F	Beautiful Intervals constructive algorithms, greedy		2100	x2498
2162E	Beautiful Palindromes constructive algorithms, greedy, schedules		1600	x7856
2162D	Beautiful Permutation binary search, interactive		1400	x10776
2162C	Beautiful XOR bitmasks, constructive algorithms, greedy		1100	x18579
2162B	Beautiful String brute force, constructive algorithms		1000	x24360
2162A	Beautiful Average brute force, greedy		800	x36678
2161H	Cycle Sort data structures		3500	x30
2161G	Bitwise And Equals bitmasks, greedy		3500	x74
2161F	SubMST combinatorics, graphs, trees		3000	x215
2161E	Left is Always Right combinatorics, implementation, math		2400	x651
2161D	Locked Out binary search, data structures, dp, greedy		2100	x2369
2161C	Loyalty constructive algorithms, greedy, sortings, two pointers		1200	x10060

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