math - Problem Set - HFOJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	10018	P1864H Asterism Stream dp math matrices	0 / 0	(None)
	10016	P1866A Ambitious Kid math	0 / 0	(None)
	10015	P1866B Battling with Numbers combinatorics math number theory	0 / 0	(None)
	10005	P1866L Lihmuf Balling brute force math	0 / 0	(None)
	10004	P1866M Mighty Rock Tower combinatorics dp math probabilities	0 / 0	(None)
	10066	P1867E1 Salyg1n and Array (simple version) constructive algorithms interactive math	0 / 0	(None)
	10065	P1867E2 Salyg1n and Array (hard version) constructive algorithms interactive math	0 / 0	(None)
	10062	P1868B1 Candy Party (Easy Version) bitmasks constructive algorithms graphs greedy implementation math	0 / 0	(None)
	10061	P1868B2 Candy Party (Hard Version) bitmasks constructive algorithms dp graphs greedy implementation math	0 / 0	(None)
	10060	P1868C Travel Plan combinatorics dp implementation math trees	0 / 0	(None)
	10055	P1869B 2D Traveling geometry math shortest paths sortings	0 / 0	(None)
	10130	P1870A MEXanized Array constructive algorithms greedy math *800	0 / 0	3
	10129	P1870B Friendly Arrays bitmasks greedy math *1200	0 / 0	4
	10128	P1870C Colorful Table binary search data structures dp implementation math two pointers *1300	0 / 0	4
	10125	P1870F Lazy Numbers binary search math *2900	0 / 0	10
	10054	P1872A Two Vessels brute force greedy math	0 / 0	(None)
	10052	P1872C Non-coprime Split math number theory	0 / 0	(None)
	10051	P1872D Plus Minus Permutation math	0 / 0	(None)
	10049	P1872F Selling a Menagerie dfs and similar dsu graphs implementation math	0 / 0	(None)
	10048	P1872G Replace With Product brute force greedy math	0 / 0	(None)
	10121	P1873B Good Kid brute force greedy math *800	0 / 0	3
	10120	P1873C Target Practice implementation math *800	0 / 0	3
	10117	P1873F Money Trees binary search greedy math two pointers *1300	0 / 0	4
	10112	P1874C Jellyfish and EVA dp graphs greedy math probabilities	0 / 0	(None)
	10111	P1874D Jellyfish and Miku divide and conquer dp math probabilities	0 / 0	(None)
	10110	P1874E Jellyfish and Hack dp math	0 / 0	(None)
	10106	P1875C Jellyfish and Green Apple bitmasks greedy math number theory	0 / 0	(None)
	10097	P1877A Goals of Victory math	0 / 0	(None)
	10096	P1877C Joyboard math number theory	0 / 0	(None)
	10094	P1878B Aleksa and Stack constructive algorithms math	0 / 0	(None)
	10093	P1878C Vasilije in Cacak math	0 / 0	(None)
	10090	P1878F Vasilije Loves Number Theory brute force math number theory	0 / 0	(None)
	10085	P1879D Sum of XOR Functions bitmasks combinatorics divide and conquer dp math *1700	0 / 0	5
	10169	P1881B Three Threadlets math	1 / 4	10
	10167	P1881D Divide and Equalize math number theory	0 / 3	10
	10163	P1883A Morning math	0 / 0	(None)
	10161	P1883C Raspberries dp math	0 / 0	(None)
	10155	P1884A Simple Design brute force greedy math	0 / 0	(None)
	10154	P1884B Haunted House binary search greedy math two pointers	0 / 0	(None)
	10152	P1884D Counting Rhyme dp math number theory	0 / 0	(None)
	10151	P1884E Hard Design greedy implementation math	0 / 0	(None)
	10076	P1886A Sum of Three brute force constructive algorithms math	0 / 0	(None)
	10075	P1886B Fear of the Dark binary search geometry math	0 / 0	(None)
	10073	P1886D Monocarp and the Set brute force combinatorics math	0 / 0	(None)
	10148	P1887D Split binary search data structures divide and conquer dsu math trees two pointers	0 / 0	(None)
	10144	P1889B Doremy's Connecting Plan constructive algorithms greedy math sortings	0 / 0	(None)
	10135	P1891B Deja Vu brute force math sortings	0 / 0	(None)
	10133	P1891D Suspicious logarithms binary search brute force implementation math number theory	0 / 0	(None)
	10132	P1891E Brukhovich and Exams brute force greedy implementation math sortings	0 / 0	(None)
	10177	P1895A Treasure Chest math *800	0 / 0	3
	10176	P1895B Points and Minimum Distance greedy math sortings *800	0 / 0	3
	10175	P1895C Torn Lucky Ticket brute force dp hashing implementation math *1400	0 / 0	4
	10174	P1895D XOR Construction bitmasks constructive algorithms data structures math string suffix structures trees *1900	0 / 0	6
	10172	P1895F Fancy Arrays combinatorics dp math matrices *2600	0 / 0	10
	10215	P1896D Ones and Twos binary search data structures divide and conquer math two pointers *1700	0 / 0	5
	10211	P1896H1 Cyclic Hamming (Easy Version) brute force divide and conquer dp fft math number theory *3400	0 / 0	10
	10210	P1896H2 Cyclic Hamming (Hard Version) brute force dp fft math number theory *3500	0 / 0	10
	10208	P1898B Milena and Admirer greedy math *1500	0 / 0	5
	10206	P1898D Absolute Beauty greedy math *1900	0 / 0	6
	10203	P1899A Game with Integers games math number theory *800	0 / 0	3
	10200	P1899D Yarik and Musical Notes hashing math number theory *1300	0 / 0	4
	10195	P1900B Laura and Operations dp math *900	0 / 0	3
	10193	P1900D Small GCD bitmasks brute force dp math number theory *2000	0 / 0	7
	10190	P1901A Line Trip greedy math *800	0 / 0	3
	10189	P1901B Chip and Ribbon greedy math *1100	0 / 0	3
	10188	P1901C Add, Divide and Floor constructive algorithms greedy math *1400	0 / 0	4
	10187	P1901D Yet Another Monster Fight binary search dp greedy implementation math *1700	0 / 0	5
	10316	P1909A Distinct Buttons implementation math *800	0 / 0	3
	10315	P1909B Make Almost Equal With Mod bitmasks constructive algorithms math number theory *1200	0 / 0	4
	10314	P1909C Heavy Intervals constructive algorithms data structures dsu greedy math sortings *1400	0 / 0	4
	10313	P1909D Split Plus K greedy math number theory *1900	0 / 0	6
	10312	P1909E Multiple Lamps bitmasks brute force constructive algorithms math number theory *2400	0 / 0	9
	10311	P1909F1 Small Permutation Problem (Easy Version) brute force combinatorics dp math *2200	0 / 0	8
	10310	P1909F2 Small Permutation Problem (Hard Version) combinatorics dp math *2500	0 / 0	9
	10307	P1909I Short Permutation Problem combinatorics dp fft math *3500	0 / 0	10
	10295	P1912B Blueprint for Seating combinatorics divide and conquer math *2000	0 / 0	7
	10248	P1912D Divisibility Test math *1900	0 / 0	6
	10247	P1912E Evaluate It and Back Again constructive algorithms implementation math *2200	0 / 0	8
	10246	P1912F Fugitive Frenzy math probabilities *3100	0 / 0	10
	10232	P1914B Preparing for the Contest constructive algorithms math *800	0 / 0	3
	10231	P1914C Quests greedy math *1100	0 / 0	3
	10226	P1914G1 Light Bulbs (Easy Version) brute force combinatorics dfs and similar dp dsu graphs math trees *2100	0 / 0	7
	10289	P1915E Romantic Glasses data structures greedy math *1300	0 / 0	4
	10286	P1916A 2023 constructive algorithms implementation math number theory *800	0 / 0	3
	10285	P1916B Two Divisors constructive algorithms math number theory *900	0 / 0	3
	10284	P1916C Training Before the Olympiad constructive algorithms games greedy implementation math *1200	0 / 0	4
	10283	P1916D Mathematical Problem brute force constructive algorithms geometry math *1700	0 / 0	5
	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
	10224	P1917A Least Product constructive algorithms math *800	0 / 0	3
	10222	P1917C Watering an Array brute force greedy implementation math *1600	0 / 0	5
	10221	P1917D Yet Another Inversions Problem combinatorics data structures divide and conquer math *2300	0 / 0	8
	10220	P1917E Construct Matrix constructive algorithms implementation math *2500	0 / 0	9
	10347	P1918A Brick Wall constructive algorithms greedy implementation math *800	0 / 0	3
	10345	P1918C XOR-distance bitmasks greedy implementation math *1400	0 / 0	4
	10341	P1918G Permutation of Given constructive algorithms math *2700	0 / 0	10
	10277	P1919A Wallet Exchange games math *800	0 / 0	3
	10273	P1919E Counting Prefixes combinatorics constructive algorithms dp implementation math *2600	0 / 0	10
	10268	P1920A Satisfying Constraints brute force greedy math *800	0 / 0	3
	10267	P1920B Summation Game games greedy math sortings *1100	0 / 0	3

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