Problemset - Codeforces

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Codeforces Round 1134 (Div. 4)
3 days
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Problems

#	Name
2138D	Antiamuny and Slider Movement brute force, combinatorics, implementation, math, sortings	2600	x695
2138C2	Maple and Tree Beauty (Hard Version) bitmasks, brute force, dfs and similar, dp, fft, trees	2000	x3691
2138C1	Maple and Tree Beauty (Easy Version) brute force, dfs and similar, dp, graphs, trees	1800	x5857
2138B	Antiamuny Wants to Learn Swap data structures, greedy, two pointers	1900	x5755
2138A	Cake Assignment bitmasks, constructive algorithms, greedy	1100	x18038
2137G	Cry Me a River dfs and similar, dp, games, graphs	2200	x2098
2137F	Prefix Maximum Invariance binary search, combinatorics, data structures, sortings	1900	x4314
2137E	Mexification brute force, implementation, math	1500	x10968
2137D	Replace with Occurrences constructive algorithms	1200	x20955
2137C	Maximum Even Sum brute force, greedy, implementation, math	1100	x24339
2137B	Fun Permutation constructive algorithms, math, number theory	900	x28054
2137A	Collatz Conjecture constructive algorithms, math	800	x36979
2136B	Like the Bitset constructive algorithms, greedy, two pointers	900	x22095
2136A	In the Dream greedy, math	800	x27327
2135F	To the Infinity data structures, hashing, math, trees	3500	x703
2135E2	Beyond the Palindrome (Hard Version) combinatorics, dp, math, number theory	3500	x325
2135E1	Beyond the Palindrome (Easy Version) combinatorics, dp, math	3300	x1404
2135D2	From the Unknown (Hard Version) brute force, constructive algorithms, interactive, math	2500	x1514
2135D1	From the Unknown (Easy Version) constructive algorithms, interactive, math	2100	x4353
2135C	By the Assignment binary search, bitmasks, combinatorics, dfs and similar, dsu, graphs, math	2000	x6611
2135B	For the Champion constructive algorithms, interactive, math	1700	x9514
2135A	Against the Difference data structures, dp	1200	x21683
2134F	Permutation Oddness combinatorics, dp, math	2900	x727
2134E	Power Boxes constructive algorithms, dp, implementation, interactive	2300	x2579
2134D	Sliding Tree constructive algorithms, dfs and similar, greedy, implementation, trees	2300	x3864
2134C	Even Larger brute force, greedy, implementation	1200	x19942
2134B	Add 0 or K constructive algorithms, math, number theory	1200	x22486
2134A	Painting With Two Colors constructive algorithms, implementation, math	800	x27796
2133F	Flint and Steel data structures, dp, graphs	3000	x552
2133E	I Yearned For The Mines constructive algorithms, dfs and similar, dp, greedy, trees	2500	x1834
2133D	Chicken Jockey dp, greedy	1900	x8001
2133C	The Nether graphs, interactive	1400	x13576
2133B	Villagers greedy	800	x26446
2133A	Redstone? brute force, data structures, implementation, math	800	x32271
2132G	Famous Choreographer hashing, implementation, strings	2600	x545
2132F	Rada and the Chamomile Valley dfs and similar, graphs, shortest paths	2100	x3071
2132E	Arithmetics Competition binary search, data structures, greedy, sortings, ternary search	1700	x8740
2132D	From 1 to Infinity binary search, dp, implementation, math	1600	x9420
2132C2	The Cunning Seller (hard version) binary search, greedy, math	1400	x14300
2132C1	The Cunning Seller (easy version) greedy, math	1000	x29122
2132B	The Secret Number math	900	x35200
2132A	Homework brute force, implementation, strings	800	x46171
2131H	Sea, You & copriMe brute force, constructive algorithms, graphs, greedy, math, number theory	2600	x958
2131G	Wafu! bitmasks, brute force, data structures, dfs and similar, dp, math	2000	x3967
2131F	Unjust Binary Life binary search, data structures, greedy, greedy, math, sortings, two pointers	1900	x4910
2131E	Adjacent XOR brute force, greedy	1400	x18287
2131D	Arboris Contractio data structures, graphs, greedy, trees	1400	x15253
2131C	Make it Equal math, number theory	1100	x22777
2131B	Alternating Series constructive algorithms, greedy, math	800	x31870
2131A	Lever math	800	x40285
2130B	Pathless constructive algorithms	1100	x22347
2130A	Submission is All You Need greedy, math	800	x29320
2129F2	Top-K Tracker (Hard Version) interactive, interactive	3500	x148
2129F1	Top-K Tracker (Easy Version) interactive	3500	x1031
2129E	Induced Subgraph Queries data structures, graphs, sortings	3000	x727
2129D	Permutation Blackhole brute force, combinatorics, dp, implementation, math	2600	x3796
2129C3	Interactive RBS (Hard Version) binary search, bitmasks, constructive algorithms, dp, interactive	2300	x2343
2129C2	Interactive RBS (Medium Version) binary search, bitmasks, constructive algorithms, interactive	2000	x3936
2129C1	Interactive RBS (Easy Version) binary search, bitmasks, constructive algorithms, interactive	1900	x5340
2129B	Stay or Mirror brute force, data structures, dp, greedy, sortings	1600	x16341
2129A	Double Perspective constructive algorithms, dp, dsu, graphs, greedy, sortings	1300	x19453
2128F	Strict Triangle graphs, greedy, shortest paths	3200	x472
2128E2	Submedians (Hard Version) binary search, constructive algorithms, data structures, math, two pointers	2600	x853
2128E1	Submedians (Easy Version) binary search, data structures, dp, greedy, math	1900	x6998
2128D	Sum of LDS brute force, combinatorics, dp, greedy, math	1600	x13237
2128C	Leftmost Below greedy, math	1200	x21881
2128B	Deque Process constructive algorithms, greedy, sortings, two pointers	1100	x22483
2128A	Recycling Center greedy, sortings	800	x29416
2127H	23 Rises Again brute force, dfs and similar, dp, flows, graph matchings, graphs, greedy, implementation, probabilities, trees	3100	x2821
2127G2	Inter Active (Hard Version) binary search, bitmasks, constructive algorithms, graphs, implementation, interactive, math, probabilities	3500	x173
2127G1	Inter Active (Easy Version) binary search, constructive algorithms, interactive, probabilities	3400	x195
2127F	Hamed and AghaBalaSar brute force, combinatorics, dp, math, probabilities	2800	x3019
2127E	Ancient Tree constructive algorithms, data structures, dfs and similar, dsu, greedy, trees	2100	x5497
2127D	Root was Built by Love, Broken by Destiny combinatorics, dfs and similar, graphs, trees	1800	x8534
2127C	Trip Shopping games, greedy, sortings	1400	x15275
2127B	Hamiiid, Haaamid... Hamid? games, greedy	1300	x15313
2127A	Mix Mex Max constructive algorithms, greedy, math	800	x22290
2126G2	Big Wins! (hard version) binary search, data structures, divide and conquer, dsu, trees, two pointers	2400	x1281
2126G1	Big Wins! (easy version) binary search, data structures, dp, dsu, two pointers	2200	x2644
2126F	1-1-1, Free Tree! brute force, data structures, dfs and similar, graphs, implementation, trees	2000	x4550
2126E	G-C-D, Unlucky! math, number theory	1400	x17981
2126D	This Is the Last Time data structures, greedy, sortings	1200	x25161
2126C	I Will Definitely Make It greedy, sortings	1100	x27392
2126B	No Casino in the Mountains dp, greedy	800	x39070
2126A	Only One Digit brute force, implementation, math	800	x55162
2125F	Timofey and Docker binary search, divide and conquer, dp	3000	x483
2125E	Sets of Complementary Sums brute force, combinatorics, dp, math, two pointers	2500	x1484
2125D	Segments Covering dp, math, probabilities	1600	x9975
2125C	Count Good Numbers bitmasks, combinatorics, math, number theory	1100	x23798
2125B	Left and Down math, number theory	900	x29200
2125A	Difficult Contest constructive algorithms, implementation, sortings, strings	800	x28887
2124I	Lexicographic Partition constructive algorithms, math, trees	3500	x778
2124H	Longest Good Subsequence dp, math, trees	3400	x267
2124G	Maximise Sum binary search, data structures	3200	x770
2124F2	Appending Permutations (Hard Version) combinatorics, dp	2800	x1265
2124F1	Appending Permutations (Easy Version) combinatorics, dp	2300	x3577
2124E	Make it Zero constructive algorithms, greedy, math	2100	x5915
2124D	Make a Palindrome greedy, sortings, two pointers	1700	x10201
2124C	Subset Multiplication constructive algorithms, greedy, math, number theory	1300	x17674
2124B	Minimise Sum greedy	1000	x23300

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