implementation - Problem Set - HFOJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	668	P1746G Olympiad Training binary search data structures dp flows geometry implementation sortings *3500	0 / 0	10
	655	P1748B Diverse Substrings brute force implementation strings *1400	0 / 0	4
	654	P1748C Zero-Sum Prefixes brute force data structures dp greedy implementation *1600	0 / 0	5
	647	P1749A Cowardly Rooks greedy implementation *800	0 / 0	3
	643	P1749C Number Game binary search data structures games greedy implementation *1400	0 / 0	4
	635	P1750A Indirect Sort constructive algorithms implementation math *800	0 / 0	3
	633	P1750B Maximum Substring brute force greedy implementation *800	0 / 0	3
	631	P1750C Complementary XOR constructive algorithms implementation *1400	0 / 0	4
	591	P1759A Yes-Yes? implementation strings *800	1 / 1	3
	576	P1760A Medium Number implementation sortings *800	0 / 0	3
	574	P1760B Atilla's Favorite Problem greedy implementation strings *800	0 / 0	3
	573	P1760C Advantage data structures implementation sortings *800	0 / 0	3
	572	P1760D Challenging Valleys implementation two pointers *1000	0 / 0	3
	563	P1761B Elimination of a Ring constructive algorithms greedy implementation *1000	0 / 0	3
	554	P1762B Make Array Good constructive algorithms implementation number theory sortings *1100	0 / 0	3
	544	P1763B Incinerate binary search brute force data structures implementation math sortings *1200	1 / 1	4
	539	P1763D Valid Bitonic Permutations combinatorics dp implementation math number theory *2200	0 / 0	8
	504	P1765H Hospital Queue binary search graphs greedy implementation *2200	0 / 0	8
	502	P1765I Infinite Chess implementation shortest paths *2800	0 / 0	10
	496	P1765L Project Manager brute force data structures implementation *2400	0 / 0	9
	489	P1766A Extremely Round brute force implementation *800	1 / 1	3
	488	P1766B Notepad# implementation *1000	1 / 1	3
	486	P1766C Hamiltonian Wall dp implementation *1300	0 / 0	4
	479	P1767A Cut the Triangle implementation *800	0 / 0	3
	471	P1768C Elemental Decompress constructive algorithms greedy implementation sortings *1300	0 / 0	4
	458	P1770D Koxia and Game constructive algorithms data structures dfs and similar dsu flows games graph matchings graphs implementation *2000	0 / 0	7
	440	P1771E Hossam and a Letter brute force dp implementation two pointers *2500	0 / 0	9
	433	P1773B BinCoin binary search divide and conquer hashing implementation probabilities trees *2200	0 / 0	8
	427	P1773I Interactive Factorial Guessing brute force games implementation interactive *2500	0 / 0	9
	416	P1774D Same Count One brute force constructive algorithms greedy implementation two pointers *1600	0 / 0	5
	411	P1774F1 Magician and Pigs (Easy Version) brute force data structures implementation *2400	0 / 0	9
	410	P1774F2 Magician and Pigs (Hard Version) binary search brute force data structures implementation *2700	0 / 0	10
	405	P1775A1 Gardener and the Capybaras (easy version) brute force constructive algorithms implementation *800	1 / 2	3
	400	P1775E The Human Equation greedy implementation *2100	0 / 0	7
	365	P1778A Flip Flop Sum greedy implementation *800	2 / 3	3
	332	P1781C Equal Frequencies brute force constructive algorithms greedy implementation sortings strings *1600	0 / 0	5
	330	P1781E Rectangle Shrinking binary search brute force data structures greedy implementation two pointers *2300	0 / 0	8
	318	P1783D Different Arrays brute force dp implementation *2000	0 / 0	7
	314	P1783G Weighed Tree Radius data structures divide and conquer implementation trees *2800	0 / 0	10
	307	P1786A1 Non-alternating Deck (easy version) implementation *800	1 / 1	3
	306	P1786A2 Alternating Deck (hard version) implementation *800	1 / 1	3
	299	P1787D Game on Axis combinatorics dfs and similar dsu graphs implementation *1900	0 / 0	6
	297	P1787F Inverse Transformation constructive algorithms implementation math *2500	0 / 0	9
	290	P1788A One and Two brute force implementation math *800	0 / 0	3
	289	P1788B Sum of Two Numbers constructive algorithms greedy implementation math probabilities *1100	0 / 0	3
	283	P1788F XOR, Tree, and Queries bitmasks constructive algorithms dfs and similar dsu graphs greedy implementation trees *2500	0 / 0	9
	280	P1789B Serval and Inversion Magic brute force implementation strings two pointers *800	0 / 0	3
	279	P1789C Serval and Toxel's Arrays combinatorics dp implementation math *1500	0 / 0	5
	278	P1789D Serval and Shift-Shift-Shift bitmasks brute force constructive algorithms implementation *2200	0 / 0	8
	277	P1789E Serval and Music Game brute force dp implementation math number theory *2500	0 / 0	9
	276	P1789F Serval and Brain Power bitmasks brute force dp greedy implementation strings *2700	0 / 0	10
	275	P1790A Polycarp and the Day of Pi implementation math strings *800	0 / 0	3
	273	P1790C Premutation brute force implementation math *1000	0 / 0	3
	268	P1791A Codeforces Checking implementation strings *800	1 / 1	3
	267	P1791B Following Directions geometry implementation *800	1 / 1	3
	265	P1791C Prepend and Append implementation two pointers *800	1 / 1	3
	242	P1793D Moscow Gorillas binary search dp greedy implementation math two pointers *1800	0 / 0	6
	239	P1793F Rebrending brute force data structures divide and conquer implementation *2600	0 / 0	10
	231	P1794E Labeling the Tree with Distances data structures dp greedy hashing implementation trees *2400	0 / 0	9
	230	P1795A Two Towers brute force implementation strings *800	1 / 1	3
	227	P1795C Tea Tasting binary search data structures implementation *1500	0 / 0	5
	219	P1796A Typical Interview Problem brute force implementation strings *800	0 / 13	3
	218	P1796B Asterisk-Minor Template implementation strings *1000	0 / 0	3
	211	P1797A Li Hua and Maze constructive algorithms flows graphs greedy implementation *800	0 / 0	3
	206	P1797D Li Hua and Tree brute force data structures dfs and similar dp implementation trees *1900	0 / 0	6
	201	P1798A Showstopper greedy implementation sortings *800	1 / 1	3
	199	P1798B Three Sevens brute force data structures greedy implementation *1000	0 / 0	3
	192	P1799A Recent Actions data structures greedy implementation math *800	0 / 0	3
	184	P1799E City Union constructive algorithms dfs and similar dsu geometry greedy implementation math *2300	0 / 0	8
	179	P1800A Is It a Cat? implementation strings *800	0 / 0	3
	166	P1800G Symmetree dfs and similar hashing implementation trees *2200	0 / 0	8
	154	P1802A Likes greedy implementation *800	1 / 1	3
	152	P1802B Settlement of Guinea Pigs greedy implementation math *1000	1 / 1	3
	149	P1804B Vaccination greedy implementation *1000	0 / 0	3
	147	P1804D Accommodation brute force dp greedy implementation *2000	0 / 0	7
	143	P1804G Flow Control data structures dsu implementation *3500	0 / 0	10
	136	P1805F1 Survival of the Weakest (easy version) binary search brute force implementation math sortings *2600	0 / 0	10
	124	P1807A Plus or Minus implementation *800	0 / 0	3
	121	P1807C Find and Replace greedy implementation strings *800	0 / 0	3
	120	P1807D Odd Queries data structures implementation *900	0 / 0	3
	118	P1807E Interview binary search implementation interactive *1300	0 / 0	4
	116	P1807F Bouncy Ball brute force dfs and similar implementation *1700	0 / 0	5
	114	P1807G1 Subsequence Addition (Easy Version) brute force data structures dp greedy implementation sortings *1100	0 / 0	3
	112	P1807G2 Subsequence Addition (Hard Version) bitmasks dp greedy implementation sortings *1100	0 / 0	3
	111	P1808A Lucky Numbers brute force implementation *900	0 / 0	3
	108	P1808C Unlucky Numbers brute force dp greedy implementation *1900	0 / 0	6
	98	P1809A Garland implementation *800	1 / 1	3
	90	P1809E Two Tanks binary search dp implementation math *2400	0 / 0	9
	86	P1809F Traveling in Berland binary search data structures graphs greedy implementation *2500	0 / 0	9
	66	P1811B Conveyor Belts implementation math *1000	0 / 0	3
	63	P1811D Umka and a Long Flight constructive algorithms implementation math *1600	0 / 0	5
	61	P1811F Is It Flower? dfs and similar graphs implementation *2100	0 / 0	7
	57	P1814A Coins implementation math *800	0 / 0	3
	48	P1815B Sum Graph brute force constructive algorithms graphs implementation interactive shortest paths trees *2000	0 / 0	7
	9799	P1817D Toy Machine constructive algorithms games implementation *2700	0 / 0	10
	9796	P1818A Politics greedy implementation *800	0 / 0	3
	35	P1819B The Butcher geometry greedy implementation sortings two pointers *1900	0 / 0	6
	33	P1819C The Fox and the Complete Tree Traversal constructive algorithms dp implementation math trees *2400	0 / 0	9
	28	P1820A Yura's New Name implementation strings *800	2 / 2	3
	19	P1821C Tear It Apart brute force implementation math strings	10 / 27	6

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