*2700 - Problem Set - HFOJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	2208	P1521E Nastia and a Beautiful Matrix binary search constructive algorithms dp greedy *2700	0 / 0	10
	2069	P1540C1 Converging Array (Easy Version) dp math *2700	0 / 0	10
	2057	P1542E2 Abnormal Permutation Pairs (hard version) combinatorics dp fft math *2700	0 / 0	10
	2051	P1543E The Final Pursuit bitmasks constructive algorithms divide and conquer graphs greedy math *2700	0 / 0	10
	2009	P1550F Jumping Around binary search data structures divide and conquer dp dsu graphs shortest paths *2700	0 / 0	10
	1962	P1553G Common Divisor Graph brute force constructive algorithms dsu graphs hashing math number theory *2700	0 / 0	10
	1942	P1555F Good Graph data structures dsu graphs trees *2700	0 / 0	10
	1871	P1567F One-Four Overload 2-sat constructive algorithms dfs and similar dsu graphs implementation *2700	0 / 0	10
	1836	P1572C Paint dp greedy *2700	0 / 0	10
	1814	P1574F Occurrences combinatorics dfs and similar dp dsu fft graphs *2700	0 / 0	10
	1776	P1578M The Mind constructive algorithms interactive probabilities *2700	0 / 0	10
	1654	P1599F Mars hashing *2700	0 / 0	10
	1653	P1599G Shortest path brute force geometry math shortest paths *2700	0 / 0	10
	1651	P1599I Desert data structures graphs *2700	0 / 0	10
	1639	P1601D Difficult Mountain data structures dp greedy sortings *2700	0 / 0	10
	1626	P1603F October 18, 2017 combinatorics dp implementation math *2700	0 / 0	10
	1514	P1617E Christmas Chocolates dfs and similar dp games graphs implementation math number theory shortest paths trees *2700	0 / 0	10
	1486	P1621F Strange Instructions data structures greedy implementation *2700	0 / 0	10
	1443	P1627F Not Splitting geometry graphs greedy implementation shortest paths *2700	0 / 0	10
	1402	P1632E2 Distance Tree (hard version) binary search dfs and similar shortest paths trees *2700	0 / 0	10
	1390	P1634F Fibonacci Additions brute force data structures hashing implementation math *2700	0 / 0	10
	1355	P1641D Two Arrays bitmasks brute force combinatorics greedy hashing math two pointers *2700	0 / 1	10
	1282	P1658F Juju and Binary String brute force constructive algorithms greedy math *2700	0 / 0	10
	1195	P1671F Permutation Counting brute force combinatorics dp fft math *2700	0 / 0	10
	1186	P1672H Zigu Zagu constructive algorithms data structures greedy *2700	0 / 0	10
	1124	P1682E Unordered Swaps constructive algorithms dfs and similar graphs greedy math sortings trees *2700	0 / 0	10
	1123	P1682F MCMF? data structures flows graphs greedy sortings two pointers *2700	0 / 0	10
	1029	P1695E Ambiguous Dominoes constructive algorithms dfs and similar graphs *2700	0 / 0	10
	887	P1715F Crop Squares constructive algorithms geometry interactive math *2700	0 / 0	10
	859	P1720E Misha and Paintings constructive algorithms data structures greedy implementation math *2700	0 / 0	10
	818	P1728G Illumination binary search bitmasks brute force combinatorics dp math two pointers *2700	0 / 0	10
	806	P1730E Maximums and Minimums combinatorics data structures divide and conquer number theory *2700	0 / 0	10
	805	P1730F Almost Sorted bitmasks data structures dp *2700	0 / 0	10
	786	P1733E Conveyor constructive algorithms dp math *2700	0 / 0	10
	626	P1750F Majority combinatorics dp math strings *2700	0 / 0	10
	410	P1774F2 Magician and Pigs (Hard Version) binary search brute force data structures implementation *2700	0 / 0	10
	328	P1781F Bracket Insertion combinatorics dp math trees *2700	0 / 0	10
	276	P1789F Serval and Brain Power bitmasks brute force dp greedy implementation strings *2700	0 / 0	10
	249	P1792F1 Graph Coloring (easy version) combinatorics dp graphs *2700	0 / 0	10
	221	P1795G Removal Sequences bitmasks dfs and similar graphs *2700	0 / 0	10
	183	P1799F Halve or Subtract binary search brute force dp greedy sortings *2700	0 / 0	10
	157	P1801F Another n-dimensional chocolate bar dp math meet-in-the-middle number theory *2700	0 / 0	10
	144	P1804F Approximate Diameter binary search divide and conquer graphs shortest paths *2700	0 / 0	10
	50	P1814F Communication Towers brute force divide and conquer dsu *2700	0 / 0	10
	9799	P1817D Toy Machine constructive algorithms games implementation *2700	0 / 0	10
	9989	P1856E2 PermuTree (hard version) bitmasks dfs and similar dp fft greedy implementation math trees *2700	0 / 0	10
	10300	P1910G Pool Records special problem greedy 2700	0 / 0	10
	10298	P1910I Inverse Problem special problem combinatorics dp 2700	0 / 0	10
	10279	P1916H1 Matrix Rank (Easy Version) brute force combinatorics dp math matrices *2700	0 / 0	10
	10278	P1916H2 Matrix Rank (Hard Version) combinatorics dp math matrices string suffix structures *2700	0 / 0	10
	10341	P1918G Permutation of Given constructive algorithms math *2700	0 / 0	10
	10337	P1924D Balanced Subsequences combinatorics dp math *2700	0 / 0	10
	10427	P1930F Maximize the Difference bitmasks brute force dfs and similar *2700	0 / 0	10
	10713	P1995E1 Let Me Teach You a Lesson (Easy Version) 2-sat data structures dp matrices two pointers *2700	0 / 0	10

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