brute force - Problem Set - HFOJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	9805	P1832E Combinatorics Problem brute force combinatorics dp *2200	0 / 0	8
	9836	P1833D Flipper brute force constructive algorithms greedy *1400	0 / 0	4
	9940	P1834F Typewriter brute force math *2500	0 / 0	9
	9939	P1835A k-th equality brute force implementation math *1700	0 / 0	5
	9938	P1835B Lottery binary search brute force greedy math two pointers *2500	0 / 0	9
	9937	P1835C Twin Clusters bitmasks brute force constructive algorithms math probabilities *2600	0 / 0	10
	9856	P1840F Railguns brute force dfs and similar dp graphs *2200	0 / 0	8
	9851	P1841C Ranom Numbers brute force dp greedy math strings	0 / 8	10
	9918	P1843E Tracking Segments binary search brute force data structures two pointers *1600	0 / 0	5
	9910	P1844F1 Min Cost Permutation (Easy Version) brute force constructive algorithms greedy math *2600	0 / 0	10
	9903	P1845D Rating System binary search brute force data structures dp dsu greedy math two pointers *1800	0 / 0	6
	9899	P1846B Rudolph and Tic-Tac-Toe brute force implementation strings *800	0 / 0	3
	9896	P1846E1 Rudolf and Snowflakes (simple version) brute force implementation math *1300	0 / 0	4
	9895	P1846E2 Rudolf and Snowflakes (hard version) binary search brute force implementation math *1800	0 / 0	6
	9890	P1847C Vampiric Powers, anyone? bitmasks brute force dp greedy *1400	0 / 0	4
	9888	P1847E Triangle Platinum? brute force combinatorics implementation interactive math probabilities *2900	0 / 0	10
	9883	P1848D Vika and Bonuses binary search brute force math ternary search *2200	0 / 0	8
	9882	P1848E Vika and Stone Skipping brute force implementation math number theory *2600	0 / 0	10
	9960	P1849C Binary String Copying binary search brute force data structures hashing strings	0 / 0	(None)
	9959	P1849D Array Painting brute force constructive algorithms dp greedy implementation two pointers	0 / 0	(None)
	9877	P1850D Balanced Round brute force greedy implementation sortings	0 / 0	(None)
	9875	P1850F We Were Both Children brute force implementation math number theory	0 / 0	(None)
	9956	P1851A Escalator Conversations brute force constructive algorithms math	0 / 0	(None)
	9943	P1853A Desorting brute force greedy math *800	0 / 0	3
	9942	P1853B Fibonaccharsis binary search brute force math *1200	0 / 0	4
	10001	P1854B Earn or Unlock bitmasks brute force dp *2200	0 / 0	8
	9998	P1854E Game Bundles brute force constructive algorithms dp greedy math *3000	0 / 0	10
	9997	P1854F Mark and Spaceship brute force dp *3500	0 / 0	10
	9995	P1855B Longest Divisors Interval brute force combinatorics greedy math number theory *900	0 / 0	3
	9992	P1856C To Become Max binary search brute force data structures dp *1600	0 / 0	5
	9980	P1858B The Walkway brute force dp greedy math number theory *1500	0 / 0	5
	9978	P1858D Trees and Segments brute force data structures dp greedy two pointers *2200	0 / 0	8
	9977	P1858E1 Rollbacks (Easy Version) brute force data structures dfs and similar trees *2500	0 / 0	9
	9973	P1859C Another Permutation Problem brute force dp greedy math *1200	0 / 0	4
	9971	P1859E Maximum Monogonosity brute force dp math *2500	0 / 0	9
	9968	P1860B Fancy Coins binary search brute force greedy math	0 / 0	(None)
	10036	P1862F Magic Will Save the World binary search bitmasks brute force dp	0 / 0	(None)
	10030	P1863E Speedrun brute force dfs and similar dp graphs greedy math sortings two pointers	0 / 0	(None)
	10022	P1864D Matrix Cascade brute force constructive algorithms data structures dp greedy math	0 / 0	(None)
	10005	P1866L Lihmuf Balling brute force math	0 / 0	(None)
	10067	P1867D Cyclic Operations brute force constructive algorithms dfs and similar graphs greedy implementation	0 / 0	(None)
	10064	P1867F Most Different Tree brute force constructive algorithms dfs and similar greedy hashing	0 / 0	(None)
	10126	P1870E Another MEX Problem bitmasks brute force dp shortest paths *2300	0 / 0	8
	10054	P1872A Two Vessels brute force greedy math	0 / 0	(None)
	10048	P1872G Replace With Product brute force greedy math	0 / 0	(None)
	10122	P1873A Short Sort brute force implementation *800	0 / 0	3
	10121	P1873B Good Kid brute force greedy math *800	0 / 0	3
	10114	P1874A Jellyfish and Game brute force games greedy implementation	0 / 0	(None)
	10113	P1874B Jellyfish and Math bitmasks brute force dfs and similar dp graphs shortest paths	0 / 0	(None)
	10107	P1875A Jellyfish and Undertale brute force greedy	0 / 0	(None)
	10098	P1876G Clubstep binary search brute force data structures greedy trees	0 / 0	(None)
	10090	P1878F Vasilije Loves Number Theory brute force math number theory	0 / 0	(None)
	10089	P1878G wxhtzdy ORO Tree binary search bitmasks brute force data structures dfs and similar implementation trees	0 / 0	(None)
	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
	10168	P1881C Perfect Square brute force implementation	1 / 5	10
	10081	P1882B Sets and Union bitmasks brute force constructive algorithms greedy	0 / 0	(None)
	10080	P1882C Card Game brute force greedy	0 / 0	(None)
	10078	P1882E1 Two Permutations (Easy Version) brute force constructive algorithms greedy number theory	0 / 0	(None)
	10155	P1884A Simple Design brute force greedy math	0 / 0	(None)
	10153	P1884C Medium Design brute force data structures dp greedy sortings	0 / 0	(None)
	10076	P1886A Sum of Three brute force constructive algorithms math	0 / 0	(None)
	10073	P1886D Monocarp and the Set brute force combinatorics math	0 / 0	(None)
	10149	P1887C Minimum Array binary search brute force constructive algorithms data structures greedy hashing two pointers	0 / 0	(None)
	10143	P1889C1 Doremy's Drying Plan (Easy Version) brute force data structures dp greedy implementation sortings	0 / 0	(None)
	10141	P1889D Game of Stacks brute force dfs and similar graphs implementation trees	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)
	10184	P1893A Anonymous Informant brute force dfs and similar graphs implementation *1400	0 / 0	4
	10182	P1893C Freedom of Choice brute force greedy implementation *2000	0 / 0	7
	10175	P1895C Torn Lucky Ticket brute force dp hashing implementation math *1400	0 / 0	4
	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
	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
	10204	P1898F Vova Escapes the Matrix brute force dfs and similar divide and conquer shortest paths *2600	0 / 0	10
	10202	P1899B 250 Thousand Tons of TNT brute force implementation number theory *1100	0 / 0	3
	10193	P1900D Small GCD bitmasks brute force dp math number theory *2000	0 / 0	7
	10317	P1907G Lights brute force constructive algorithms dfs and similar graphs greedy implementation *2200	0 / 0	8
	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
	10237	P1913C Game with Multiset binary search bitmasks brute force greedy *1300	0 / 0	4
	10230	P1914D Three Activities brute force dp greedy implementation sortings *1200	0 / 0	4
	10229	P1914E1 Game with Marbles (Easy Version) brute force games greedy sortings *1400	0 / 0	4
	10226	P1914G1 Light Bulbs (Easy Version) brute force combinatorics dfs and similar dp dsu graphs math trees *2100	0 / 0	7
	10292	P1915B Not Quite Latin Square bitmasks brute force implementation *800	0 / 0	3
	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
	10223	P1917B Erase First or Second Letter brute force combinatorics data structures dp strings *1100	0 / 0	3
	10222	P1917C Watering an Array brute force greedy implementation math *1600	0 / 0	5
	10268	P1920A Satisfying Constraints brute force greedy math *800	0 / 0	3
	10266	P1920C Partitioning the Array brute force math number theory *1500	0 / 0	5
	10265	P1920D Array Repetition binary search brute force dsu implementation math *1800	0 / 0	6
	10263	P1920F1 Smooth Sailing (Easy Version) binary search brute force data structures dfs and similar dsu graphs shortest paths *2500	0 / 0	9
	10257	P1921E Eat the Chip brute force games greedy math *1600	0 / 0	5
	10256	P1921F Sum of Progression brute force data structures dp implementation math *1900	0 / 0	6
	10255	P1921G Mischievous Shooter brute force data structures divide and conquer dp implementation *2200	0 / 0	8
	10251	P1922D Berserk Monsters brute force data structures dsu implementation *1900	0 / 0	6

Pick a problem randomly based on the current filter.