bitmasks - Problem Set - HFOJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	10174	P1895D XOR Construction bitmasks constructive algorithms data structures math string suffix structures trees *1900	0 / 0	6
	10213	P1896F Bracket Xoring bitmasks constructive algorithms graph matchings implementation *2600	0 / 0	10
	10193	P1900D Small GCD bitmasks brute force dp math number theory *2000	0 / 0	7
	10315	P1909B Make Almost Equal With Mod bitmasks constructive algorithms math number theory *1200	0 / 0	4
	10312	P1909E Multiple Lamps bitmasks brute force constructive algorithms math number theory *2400	0 / 0	9
	10241	P1912K Kim's Quest bitmasks combinatorics dp *1800	0 / 0	6
	10237	P1913C Game with Multiset binary search bitmasks brute force greedy *1300	0 / 0	4
	10293	P1915A Odd One Out bitmasks implementation *800	0 / 0	3
	10292	P1915B Not Quite Latin Square bitmasks brute force implementation *800	0 / 0	3
	10219	P1917F Construct Tree bitmasks constructive algorithms dp trees *2500	0 / 0	9
	10345	P1918C XOR-distance bitmasks greedy implementation math *1400	0 / 0	4
	10250	P1922E Increasing Subsequences bitmasks constructive algorithms greedy math *1800	0 / 0	6
	10435	P1929E Sasha and the Happy Tree Cutting bitmasks brute force dfs and similar dp graphs greedy math trees *2300	0 / 0	8
	10429	P1930D2 Sum over all Substrings (Hard Version) bitmasks divide and conquer dp dsu greedy implementation strings *2100	0 / 0	7
	10427	P1930F Maximize the Difference bitmasks brute force dfs and similar *2700	0 / 0	10
	10403	P1933G Turtle Magic: Royal Turtle Shell Pattern bitmasks brute force combinatorics constructive algorithms dfs and similar math *2300	0 / 0	8
	10399	P1934D1 XOR Break — Solo Version bitmasks constructive algorithms greedy *2100	0 / 0	7
	10398	P1934D2 XOR Break — Game Version bitmasks games greedy interactive *2400	0 / 0	9
	10392	P1935E Distance Learning Courses in MAC bitmasks brute force data structures greedy math *2400	0 / 0	9
	10390	P1936A Bitwise Operation Wizard bitmasks constructive algorithms greedy interactive math *1700	0 / 0	5
	10387	P1936D Bitwise Paradox binary search bitmasks data structures greedy two pointers *3100	0 / 0	10
	10465	P1944B Equal XOR bitmasks constructive algorithms *1100	0 / 0	3
	10453	P1946D Birthday Gift bitmasks brute force constructive algorithms dsu greedy implementation *1900	0 / 0	6
	10348	P1948G MST with Matching bitmasks brute force	0 / 0	(None)
	10516	P1950F 0, 1, 2, Tree! bitmasks brute force greedy implementation trees	0 / 0	(None)
	10515	P1950G Shuffling Songs bitmasks dfs and similar dp graphs hashing implementation strings	0 / 0	(None)
	10497	P1952I Dark Matter bitmasks geometry	0 / 0	(None)
	10482	P1955H The Most Reckless Defense bitmasks brute force constructive algorithms dp flows graph matchings shortest paths	0 / 0	(None)
	10478	P1956D Nene and the Mex Operator bitmasks brute force constructive algorithms divide and conquer dp greedy implementation math	0 / 0	(None)
	10629	P1965B Missing Subsequence Sum bitmasks constructive algorithms greedy number theory *1800	0 / 0	6
	10619	P1967C Fenwick Tree bitmasks brute force combinatorics data structures dp math trees *2300	0 / 0	8
	10580	P1970G3 Min-Fund Prison (Hard) bitmasks dfs and similar dp graphs trees *2400	0 / 0	9
	10568	P1973B Cat, Fox and the Lonely Array binary search bitmasks data structures greedy math two pointers *1300	0 / 0	4
	10564	P1973F Maximum GCD Sum Queries bitmasks brute force dp implementation number theory *3100	0 / 0	10
	10551	P1975F Set bitmasks brute force combinatorics dfs and similar divide and conquer dp math *2600	0 / 0	10
	10540	P1977B Binary Colouring bitmasks constructive algorithms greedy math *1100	0 / 0	3
	10538	P1977D XORificator bitmasks brute force greedy hashing *2300	0 / 0	8
	10691	P1979B XOR Sequences bitmasks greedy *1000	0 / 0	3
	10689	P1979D Fixing a Binary String bitmasks brute force constructive algorithms dp greedy hashing strings *1800	0 / 0	6
	10679	P1980G Yasya and the Mysterious Tree bitmasks data structures dfs and similar graphs greedy strings trees *2300	0 / 0	8
	10535	P1981B Turtle and an Infinite Sequence bitmasks math	0 / 0	(None)
	10674	P1982E Number of k-good subarrays bitmasks brute force combinatorics divide and conquer dp math meet-in-the-middle *2300	0 / 0	8
	10756	P1983G Your Loss bitmasks brute force dp trees *3000	0 / 0	10
	10753	P1988C Increasing Sequence with Fixed OR bitmasks constructive algorithms greedy *1300	0 / 0	4
	10746	P1990D Grid Puzzle bitmasks brute force dp greedy implementation *1800	0 / 0	6
	10741	P1991B AND Reconstruction bitmasks constructive algorithms greedy	0 / 0	(None)
	10739	P1991D Prime XOR Coloring bitmasks constructive algorithms graphs greedy math number theory	0 / 0	(None)
	10735	P1991H Prime Split Game bitmasks fft games math number theory	0 / 0	(None)
	10725	P1994B Fun Game bitmasks constructive algorithms greedy math *1100	0 / 0	3
	10722	P1994E Wooden Game bitmasks greedy math trees *2000	0 / 0	7
	10720	P1994G Minecraft bitmasks brute force dp graphs math *2600	0 / 0	10
	10714	P1995D Cases bitmasks brute force dp strings *2300	0 / 0	8

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