Problemset - Codeforces

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Pinely Round 4 (Div. 1 + Div. 2)
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Problems

#	Name
1801G	A task for substrings data structures, string suffix structures, strings	3400	x357
1801F	Another n-dimensional chocolate bar dp, math, meet-in-the-middle, number theory	2700	x559
1801E	Gasoline prices data structures, divide and conquer, dsu, hashing, trees	3000	x440
1799H	Tree Cutting bitmasks, dfs and similar, dp	3200	x275
1799G	Count Voting combinatorics, dp, math	2600	x730
1799F	Halve or Subtract binary search, brute force, dp, greedy, sortings	2700	x786
1798F	Gifts from Grandfather Ahmed dp, math, number theory	2500	x481
1797F	Li Hua and Path data structures, dfs and similar, divide and conquer, dsu, trees	3000	x342
1796F	Strange Triples brute force, math, number theory	2900	x170
1796E	Colored Subgraphs dfs and similar, dp, games, greedy, trees	2500	x733
1795G	Removal Sequences bitmasks, dfs and similar, graphs	2700	x665
1795F	Blocking Chips binary search, constructive algorithms, dfs and similar, greedy, trees	2400	x1087
1794E	Labeling the Tree with Distances data structures, dp, greedy, hashing, implementation, trees	2400	x1050
1793F	Rebrending brute force, data structures, divide and conquer, implementation	2600	x1341
1793E	Velepin and Marketing binary search, data structures, dp, greedy, sortings, two pointers	2600	x960
1792F2	Graph Coloring (hard version) brute force, combinatorics, divide and conquer, dp, fft, graphs	2900	x379
1792F1	Graph Coloring (easy version) combinatorics, dp, graphs	2700	x694
1792E	Divisors and Table brute force, dfs and similar, dp, number theory	2400	x1352
1789F	Serval and Brain Power bitmasks, brute force, dp, greedy, implementation, strings	2700	x649
1789E	Serval and Music Game brute force, dp, implementation, math, number theory	2500	x796
1788F	XOR, Tree, and Queries bitmasks, constructive algorithms, dfs and similar, dsu, graphs, greedy, implementation, trees	2500	x817
1787I	Treasure Hunt data structures, divide and conquer, two pointers	3400	x151
1787H	Codeforces Scoreboard binary search, data structures, dp, geometry	3300	x209
1787G	Colorful Tree Again brute force, data structures, trees	3000	x424
1787F	Inverse Transformation constructive algorithms, implementation, math	2500	x665
1784F	Minimums or Medians	3400	x174
1784E	Infinite Game brute force, combinatorics, dp, games, probabilities	3100	x313
1784D	Wooden Spoon combinatorics, dp	2400	x979
1783G	Weighed Tree Radius data structures, divide and conquer, implementation, trees	2800	x443
1783F	Double Sort II dfs and similar, flows, graph matchings, graphs	2500	x993
1781H2	Window Signals (hard version)	3500	x89
1781H1	Window Signals (easy version)	3200	x115
1781G	Diverse Coloring constructive algorithms, trees	3200	x219
1781F	Bracket Insertion combinatorics, dp, math, trees	2700	x811
1780G	Delicious Dessert binary search, dsu, hashing, math, number theory, string suffix structures	2400	x683
1780E	Josuke and Complete Graph binary search, brute force, data structures, math, number theory	2400	x1348
1779H	Olympic Team Building brute force, meet-in-the-middle	3500	x137
1779G	The Game of the Century constructive algorithms, graphs, shortest paths	3000	x309
1779F	Xorcerer's Stones bitmasks, constructive algorithms, dp, trees	2500	x1239
1779E	Anya's Simultaneous Exhibition constructive algorithms, graphs, greedy, interactive, sortings	2400	x1726
1778F	Maximizing Root dfs and similar, dp, graphs, math, number theory, trees	2600	x633
1778E	The Tree Has Fallen! bitmasks, dfs and similar, math, trees	2500	x845
1777F	Comfortably Numb bitmasks, data structures, divide and conquer, strings, trees	2400	x868
1776N	Count Permutations math	3500	x79
1776M	Parmigiana With Seafood binary search, dp, greedy, trees	3000	x364
1776K	Uniform Chemistry dp, math	3200	x65
1776J	Italian Data Centers graphs, shortest paths	2500	x622
1776I	Spinach Pizza games, geometry, greedy, interactive	2500	x652
1776E	Crossing the Railways data structures, dp	3500	x67
1776D	Teamwork constructive algorithms, greedy, math	2800	x350
1776C	Library game games, greedy, interactive, sortings	2500	x773
1775F	Laboratory on Pluto constructive algorithms, dp, greedy, math	2500	x755
1774H	Maximum Permutation constructive algorithms	3500	x132
1774G	Segment Covering brute force, combinatorics, constructive algorithms, data structures, dp, trees	3200	x431
1774F2	Magician and Pigs (Hard Version) binary search, brute force, data structures, implementation	2700	x661
1774F1	Magician and Pigs (Easy Version) brute force, data structures, implementation	2400	x1049
1773L	Lisa's Sequences dp	3500	x31
1773J	Jumbled Trees constructive algorithms, math	2900	x104
1773I	Interactive Factorial Guessing brute force, games, implementation, interactive	2500	x465
1773H	Hot and Cold binary search, interactive	2600	x352
1773G	Game of Questions bitmasks, combinatorics, dp, fft, math, probabilities	2800	x350
1773D	Dominoes combinatorics, flows, graph matchings, greedy	2600	x451
1773C	Cactus Meets Torus	3500	x30
1771F	Hossam and Range Minimum Query binary search, bitmasks, data structures, hashing, probabilities, strings, trees	2500	x1044
1771E	Hossam and a Letter brute force, dp, implementation, two pointers	2500	x677
1770H	Koxia, Mahiru and Winter Festival constructive algorithms	3500	x101
1770G	Koxia and Bracket divide and conquer, fft, math	3400	x158
1770F	Koxia and Sequence bitmasks, combinatorics, dp, math, number theory	3100	x640
1770E	Koxia and Tree combinatorics, dfs and similar, dp, dsu, math, probabilities, trees	2400	x1325
1768F	Wonderful Jump dp, greedy	2900	x805
1767F	Two Subtrees data structures, trees	3100	x264
1767E	Algebra Flash bitmasks, brute force, dp, graphs, math, meet-in-the-middle, trees	2500	x881
1766F	MCF flows	2800	x267
1765L	Project Manager brute force, data structures, implementation	2400	x576
1765J	Hero to Zero graph matchings, math	2900	x189
1765I	Infinite Chess implementation, shortest paths	2800	x187
1765G	Guess the String constructive algorithms, interactive, probabilities	2600	x380
1765C	Card Guessing combinatorics, dp, probabilities	2600	x376
1765A	Access Levels bitmasks, dsu, flows, graph matchings	2400	x685
1764H	Doremy's Paint 2 data structures	3400	x176
1764G3	Doremy's Perfect DS Class (Hard Version) binary search, interactive	3300	x444
1764G2	Doremy's Perfect DS Class (Medium Version) binary search, interactive	3000	x510
1764G1	Doremy's Perfect DS Class (Easy Version) binary search, interactive	2900	x564
1764F	Doremy's Experimental Tree brute force, constructive algorithms, dfs and similar, dsu, sortings, trees	2500	x943
1764E	Doremy's Number Line dp, greedy, sortings	2400	x1206
1763F	Edge Queries data structures, dfs and similar, dp, dsu, graphs, trees	3000	x442
1762G	Unequal Adjacent Elements constructive algorithms, sortings	3100	x101
1762F	Good Pairs binary search, data structures, dp	2600	x581
1762E	Tree Sum combinatorics, math, trees	2600	x629
1761G	Centroid Guess interactive, probabilities, trees	3500	x104
1761F2	Anti-median (Hard Version) combinatorics, dp, math	3500	x79
1761F1	Anti-median (Easy Version) dp, math	3100	x205
1761E	Make It Connected binary search, brute force, constructive algorithms, dsu, graphs, greedy, matrices, trees, two pointers	2400	x1773
1758F	Decent Division constructive algorithms, data structures	3000	x162
1758E	Tick, Tock combinatorics, dfs and similar, dsu, graphs	2500	x823
1753F	Minecraft Series brute force, two pointers	3500	x196
1753E	N Machines binary search, brute force, greedy	3300	x320
1753D	The Beach constructive algorithms, dfs and similar, graphs, shortest paths	2400	x1709
1750H	BinaryStringForces constructive algorithms, data structures, dp	3500	x78
1750G	Doping combinatorics, dp, math	3300	x232