Problemset - Codeforces

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Problems

#	Name
2133F	Flint and Steel data structures, dp, graphs		x67
2133E	I Yearned For The Mines constructive algorithms, dfs and similar, dp, greedy, trees		x596
2133D	Chicken Jockey brute force, dp, greedy, math		x3824
2133C	The Nether graphs, interactive		x7713
2133B	Villagers greedy		x18330
2133A	Redstone? brute force, data structures, implementation, math		x21738
2132G	Famous Choreographer hashing, strings		x76
2132F	Rada and the Chamomile Valley dfs and similar, graphs, shortest paths		x290
2132E	Arithmetics Competition binary search, data structures, greedy, sortings, ternary search		x703
2132D	From 1 to Infinity binary search, dp, implementation, math		x802
2132C2	The Cunning Seller (hard version) binary search, greedy, math		x1191
2132C1	The Cunning Seller (easy version) greedy, math		x1702
2132B	The Secret Number math		x1944
2132A	Homework brute force, implementation, strings		x2242
2131H	Sea, You & copriMe brute force, constructive algorithms, graphs, greedy, math, number theory		x6
2131G	Wafu! bitmasks, brute force, data structures, dfs and similar, dp, math		x36
2131F	Unjust Binary Life binary search, data structures, greedy, greedy, math, sortings, two pointers		x40
2131E	Adjacent XOR brute force, greedy		x125
2131D	Arboris Contractio data structures, graphs, greedy, trees		x129
2131C	Make it Equal math, number theory		x166
2131B	Alternating Series constructive algorithms, greedy, math		x205
2131A	Lever math		x270
2130B	Pathless constructive algorithms	1100	x183
2130A	Submission is All You Need greedy, math	800	x383
2129F2	Top-K Tracker (Hard Version) interactive, interactive	3500	x1
2129F1	Top-K Tracker (Easy Version) interactive	3500	x1
2129E	Induced Subgraph Queries data structures, graphs, sortings	3000	x3
2129D	Permutation Blackhole brute force, combinatorics, dp, implementation, math	2600	x4
2129C3	Interactive RBS (Hard Version) binary search, bitmasks, constructive algorithms, dp, interactive	2300	x19
2129C2	Interactive RBS (Medium Version) binary search, bitmasks, constructive algorithms, interactive	2000	x17
2129C1	Interactive RBS (Easy Version) binary search, bitmasks, constructive algorithms, interactive	1900	x24
2129B	Stay or Mirror brute force, data structures, dp, greedy, sortings	1600	x121
2129A	Double Perspective constructive algorithms, dp, dsu, graphs, greedy, sortings	1300	x127
2128F	Strict Triangle graphs, greedy, shortest paths	3200	x6
2128E2	Submedians (Hard Version) binary search, constructive algorithms, data structures, math, two pointers	2600	x3
2128E1	Submedians (Easy Version) binary search, data structures, dp, greedy, math	1900	x36
2128D	Sum of LDS brute force, combinatorics, dp, greedy, math	1600	x88
2128C	Leftmost Below greedy, math	1200	x160
2128B	Deque Process constructive algorithms, greedy, sortings, two pointers	1100	x152
2128A	Recycling Center greedy, sortings	800	x251
2127H	23 Rises Again brute force, dfs and similar, dp, flows, graph matchings, graphs, greedy, implementation, probabilities, trees	3100	x3
2127G2	Inter Active (Hard Version) binary search, bitmasks, constructive algorithms, graphs, implementation, interactive, math, probabilities	3500	x2
2127G1	Inter Active (Easy Version) binary search, constructive algorithms, interactive, probabilities	3400	x1
2127F	Hamed and AghaBalaSar brute force, combinatorics, dp, math, probabilities	2800	x7
2127E	Ancient Tree constructive algorithms, data structures, dfs and similar, dsu, greedy, trees	2100	x30
2127D	Root was Built by Love, Broken by Destiny combinatorics, dfs and similar, graphs, trees	1800	x62
2127C	Trip Shopping games, greedy, sortings	1400	x109
2127B	Hamiiid, Haaamid... Hamid? games, greedy	1300	x106
2127A	Mix Mex Max constructive algorithms, greedy, math	800	x171
2126G2	Big Wins! (hard version) binary search, data structures, divide and conquer, dsu, trees, two pointers	2400	x7
2126G1	Big Wins! (easy version) binary search, data structures, dp, dsu, two pointers	2200	x9
2126F	1-1-1, Free Tree! brute force, data structures, dfs and similar, graphs, implementation, trees	2000	x11
2126E	G-C-D, Unlucky! math, number theory	1400	x701
2126D	This Is the Last Time data structures, greedy, sortings	1200	x79
2126C	I Will Definitely Make It greedy, sortings	1100	x68
2126B	No Casino in the Mountains dp, greedy	800	x109
2126A	Only One Digit brute force, implementation, math	800	x259
2125F	Timofey and Docker binary search, divide and conquer, dp	3000	x1
2125E	Sets of Complementary Sums brute force, combinatorics, dp, math, two pointers	2500	x5
2125D	Segments Covering dp, math, probabilities	1600	x41
2125C	Count Good Numbers bitmasks, combinatorics, math, number theory	1100	x810
2125B	Left and Down math, number theory	900	x840
2125A	Difficult Contest constructive algorithms, implementation, sortings, strings	800	x146
2124I	Lexicographic Partition constructive algorithms, math, trees	3500	x1
2124H	Longest Good Subsequence dp, math, trees	3400	x1
2124G	Maximise Sum binary search, data structures	3200	x1
2124F2	Appending Permutations (Hard Version) combinatorics, dp	2800	x2
2124F1	Appending Permutations (Easy Version) combinatorics, dp	2300	x2
2124E	Make it Zero constructive algorithms, greedy, math	2100	x3
2124D	Make a Palindrome greedy, sortings, two pointers	1700	x12
2124C	Subset Multiplication constructive algorithms, greedy, math, number theory	1300	x34
2124B	Minimise Sum greedy	1000	x83
2124A	Deranged Deletions greedy, sortings	800	x49
2123G	Modular Sorting brute force, data structures, greedy, math, number theory, sortings	2100	x3
2123F	Minimize Fixed Points constructive algorithms, number theory	1700	x18
2123E	MEX Count binary search, data structures, greedy, sortings, two pointers	1400	x18
2123D	Binary String Battle constructive algorithms, games, greedy	1200	x43
2123C	Prefix Min and Suffix Max brute force, data structures	1000	x57
2123B	Tournament greedy	800	x75
2123A	Blackboard Game math	800	x78
2122G	Tree Parking combinatorics, fft, math, trees	3300	x1
2122F	Colorful Polygon constructive algorithms, divide and conquer, geometry	3400	x1
2122E	Greedy Grid Counting combinatorics, dp, greedy, math	2600	x6
2122D	Traffic Lights brute force, data structures, divide and conquer, dp, graphs, greedy, shortest paths	2400	x12
2122C	Manhattan Pairs constructive algorithms, geometry, greedy, math, sortings	1700	x32
2122B	Pile Shuffling greedy, math	1100	x63
2122A	Greedy Grid constructive algorithms, greedy	800	x75
2121H	Ice Baby binary search, brute force, data structures, dp, implementation, sortings	2300	x3
2121G	Gangsta data structures, divide and conquer, math, sortings	1900	x8
2121F	Yamakasi binary search, brute force, data structures, greedy, two pointers	1800	x13
2121E	Sponsor of Your Problems dp, greedy, implementation, strings	1500	x43
2121D	1709 implementation, sortings	1300	x24
2121C	Those Who Are With Us greedy, greedy, implementation	1200	x39
2121B	Above the Clouds constructive algorithms, greedy, strings	800	x53
2121A	Letter Home brute force, math	800	x99
2120G	Eulerian Line Graph graphs, greedy, math	3000	x2
2120F	Superb Graphs 2-sat, graphs	2600	x2
2120E	Lanes of Cars binary search, dp, ternary search	2300	x6
2120D	Matrix game combinatorics, math	1800	x13
2120C	Divine Tree constructive algorithms, greedy, math, sortings, trees	1400	x33

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