Problem Set - HFOJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	10087	P1879B Chips on the Board constructive algorithms greedy *900	0 / 0	3
	10086	P1879C Make it Alternating combinatorics dp greedy *1300	0 / 0	4
	10085	P1879D Sum of XOR Functions bitmasks combinatorics divide and conquer dp math *1700	0 / 0	5
	10084	P1879E Interactive Game with Coloring brute force constructive algorithms dfs and similar graphs implementation interactive trees *2400	0 / 0	9
	10083	P1879F Last Man Standing brute force data structures number theory *2800	0 / 0	10
	10170	P1881A Don't Try to Count brute force strings	0 / 1	10
	10169	P1881B Three Threadlets math	1 / 4	10
	10168	P1881C Perfect Square brute force implementation	1 / 5	10
	10167	P1881D Divide and Equalize math number theory	0 / 3	10
	10166	P1881E Block Sequence dp	0 / 0	(None)
	10165	P1881F Minimum Maximum Distance dfs and similar dp graphs shortest paths trees	0 / 0	(None)
	10164	P1881G Anya and the Mysterious String binary search data structures	0 / 0	(None)
	10082	P1882A Increasing Sequence greedy	0 / 0	(None)
	10081	P1882B Sets and Union bitmasks brute force constructive algorithms greedy	0 / 0	(None)
	10080	P1882C Card Game brute force greedy	0 / 0	(None)
	10079	P1882D Tree XOR bitmasks dfs and similar dp greedy trees	0 / 0	(None)
	10078	P1882E1 Two Permutations (Easy Version) brute force constructive algorithms greedy number theory	0 / 0	(None)
	10077	P1882E2 Two Permutations (Hard Version) constructive algorithms	0 / 0	(None)
	10163	P1883A Morning math	0 / 0	(None)
	10162	P1883B Chemistry strings	0 / 0	(None)
	10161	P1883C Raspberries dp math	0 / 0	(None)
	10160	P1883D In Love data structures greedy	0 / 0	(None)
	10159	P1883E Look Back bitmasks greedy	0 / 0	(None)
	10158	P1883F You Are So Beautiful data structures	0 / 0	(None)
	10157	P1883G1 Dances (Easy version) binary search greedy two pointers	0 / 0	(None)
	10156	P1883G2 Dances (Hard Version) binary search greedy sortings two pointers	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)
	10153	P1884C Medium Design brute force data structures dp greedy sortings	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)
	10074	P1886C Decreasing String constructive algorithms strings	0 / 0	(None)
	10073	P1886D Monocarp and the Set brute force combinatorics math	0 / 0	(None)
	10072	P1886E I Wanna be the Team Leader bitmasks divide and conquer dp two pointers	0 / 0	(None)
	10071	P1886F Diamond Theft data structures greedy	0 / 0	(None)
	10150	P1887B Time Travel binary search graphs shortest paths	0 / 0	(None)
	10149	P1887C Minimum Array binary search brute force constructive algorithms data structures greedy hashing two pointers	0 / 0	(None)
	10148	P1887D Split binary search data structures divide and conquer dsu math trees two pointers	0 / 0	(None)
	10147	P1887E Good Colorings binary search constructive algorithms graphs interactive	0 / 0	(None)
	10146	P1887F Minimum Segments constructive algorithms	0 / 0	(None)
	10145	P1889A Qingshan Loves Strings 2 constructive algorithms greedy implementation	0 / 0	(None)
	10144	P1889B Doremy's Connecting Plan constructive algorithms greedy math sortings	0 / 0	(None)
	10143	P1889C1 Doremy's Drying Plan (Easy Version) brute force data structures dp greedy implementation sortings	0 / 0	(None)
	10142	P1889C2 Doremy's Drying Plan (Hard Version) data structures dp hashing	0 / 0	(None)
	10141	P1889D Game of Stacks brute force dfs and similar graphs implementation trees	0 / 0	(None)
	10140	P1889E Doremy's Swapping Trees dfs and similar graphs trees	0 / 0	(None)
	10139	P1889F Doremy's Average Tree data structures dp greedy trees	0 / 0	(None)
	10138	P1890A Doremy's Paint 3 constructive algorithms	0 / 0	(None)
	10137	P1890B Qingshan Loves Strings implementation	0 / 0	(None)
	10136	P1891A Sorting with Twos constructive algorithms sortings	0 / 0	(None)
	10135	P1891B Deja Vu brute force math sortings	0 / 0	(None)
	10134	P1891C Smilo and Monsters binary search constructive algorithms greedy sortings two pointers	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)
	10131	P1891F A Growing Tree data structures dfs and similar trees	0 / 0	(None)
	10184	P1893A Anonymous Informant brute force dfs and similar graphs implementation *1400	0 / 0	4
	10183	P1893B Neutral Tonality constructive algorithms greedy sortings two pointers *1700	0 / 0	5
	10182	P1893C Freedom of Choice brute force greedy implementation *2000	0 / 0	7
	10181	P1893D Colorful Constructive constructive algorithms data structures greedy *2600	0 / 0	10
	10180	P1893E Cacti Symphony combinatorics dfs and similar dp graphs *3500	0 / 0	10
	10179	P1894A Secret Sport implementation strings *800	0 / 0	3
	10178	P1894B Two Out of Three constructive algorithms *1000	0 / 0	3
	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
	10173	P1895E Infinite Card Game binary search brute force data structures dfs and similar dp dsu games graphs greedy sortings two pointers *2300	0 / 0	8
	10172	P1895F Fancy Arrays combinatorics dp math matrices *2600	0 / 0	10
	10171	P1895G Two Characters, Two Colors binary search data structures dp flows greedy *3100	0 / 0	10
	10218	P1896A Jagged Swaps sortings *800	0 / 0	3
	10217	P1896B AB Flipping greedy strings two pointers *900	0 / 0	3
	10216	P1896C Matching Arrays binary search constructive algorithms greedy sortings *1400	0 / 0	4
	10215	P1896D Ones and Twos binary search data structures divide and conquer math two pointers *1700	0 / 0	5
	10214	P1896E Permutation Sorting data structures sortings *2100	0 / 0	7
	10213	P1896F Bracket Xoring bitmasks constructive algorithms graph matchings implementation *2600	0 / 0	10
	10212	P1896G Pepe Racing constructive algorithms implementation interactive sortings *3200	0 / 0	10
	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
	10209	P1898A Milica and String brute force implementation strings *800	0 / 0	3
	10208	P1898B Milena and Admirer greedy math *1500	0 / 0	5
	10207	P1898C Colorful Grid constructive algorithms *1700	0 / 0	5
	10206	P1898D Absolute Beauty greedy math *1900	0 / 0	6
	10205	P1898E Sofia and Strings data structures greedy sortings strings two pointers *2200	0 / 0	8
	10204	P1898F Vova Escapes the Matrix brute force dfs and similar divide and conquer shortest paths *2600	0 / 0	10
	10203	P1899A Game with Integers games math number theory *800	0 / 0	3
	10202	P1899B 250 Thousand Tons of TNT brute force implementation number theory *1100	0 / 0	3
	10201	P1899C Yarik and Array dp greedy two pointers *1100	0 / 0	3
	10200	P1899D Yarik and Musical Notes hashing math number theory *1300	0 / 0	4
	10199	P1899E Queue Sort greedy implementation sortings *1300	0 / 0	4
	10198	P1899F Alex's whims constructive algorithms graphs greedy shortest paths trees *1600	0 / 0	5
	10197	P1899G Unusual Entertainment data structures dfs and similar dsu shortest paths sortings trees two pointers *1900	0 / 0	6
	10196	P1900A Cover in Water constructive algorithms greedy implementation strings *800	0 / 0	3
	10195	P1900B Laura and Operations dp math *900	0 / 0	3
	10194	P1900C Anji's Binary Tree dfs and similar dp shortest paths trees *1300	0 / 0	4
	10193	P1900D Small GCD bitmasks brute force dp math number theory *2000	0 / 0	7
	10192	P1900E Transitive Graph dfs and similar dp dsu graphs implementation *2100	0 / 0	7
	10191	P1900F Local Deletions binary search data structures implementation *2800	0 / 0	10
	10190	P1901A Line Trip greedy math *800	0 / 0	3

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