sortings - Problem Set - HFOJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	1057	P1691E Number of Groups data structures dfs and similar dsu graphs greedy sortings *2300	0 / 0	8
	1054	P1692B All Distinct greedy sortings *800	0 / 0	3
	1049	P1692G 2^Sort data structures dp sortings two pointers *1400	0 / 0	4
	1011	P1697B Promo greedy sortings *900	0 / 0	3
	993	P1698E PermutationForces II brute force combinatorics greedy sortings trees two pointers *2300	0 / 0	8
	972	P1701D Permutation Restoration binary search data structures greedy math sortings two pointers *1900	0 / 0	6
	956	P1703F Yet Another Problem About Pairs Satisfying an Inequality binary search data structures dp greedy sortings *1300	0 / 0	4
	952	P1704C Virus greedy implementation sortings *1200	0 / 0	4
	945	P1705A Mark the Photographer greedy sortings *800	0 / 0	3
	942	P1705D Mark and Lightbulbs combinatorics constructive algorithms greedy math sortings *1800	0 / 0	6
	932	P1707B Difference Array brute force data structures implementation sortings *1900	0 / 0	6
	931	P1707C DFS Trees dfs and similar dsu graphs greedy sortings trees *2400	0 / 0	9
	910	P1712C Sort Zero greedy sortings *1100	0 / 0	3
	904	P1713B Optimal Reduction constructive algorithms sortings *1000	0 / 0	3
	863	P1720B Interesting Sum brute force data structures greedy math sortings *800	0 / 0	3
	855	P1721D Maximum AND bitmasks dfs and similar divide and conquer greedy sortings *1800	0 / 0	6
	849	P1722D Line greedy sortings *1100	0 / 0	3
	844	P1725B Basketball Together binary search greedy sortings *1000	0 / 0	3
	840	P1725F Field Photography bitmasks data structures sortings *2100	0 / 0	7
	826	P1726G A Certain Magical Party combinatorics data structures greedy sortings *3300	0 / 0	10
	824	P1728A Colored Balls: Revisited brute force greedy implementation sortings *800	0 / 0	3
	822	P1728C Digital Logarithm data structures greedy sortings *1400	0 / 0	4
	814	P1729D Friends and the Restaurant greedy sortings two pointers *1200	0 / 0	4
	810	P1730A Planets data structures greedy sortings *800	0 / 0	3
	808	P1730C Minimum Notation data structures greedy math sortings *1200	0 / 0	4
	791	P1733A Consecutive Sum greedy sortings *800	0 / 0	3
	789	P1733C Parity Shuffle Sorting constructive algorithms sortings *1300	0 / 0	4
	785	P1734A Select Three Sticks brute force greedy sortings *800	0 / 0	3
	773	P1736A Make A Equal to B brute force greedy sortings *800	0 / 0	3
	758	P1738A Glory Addicts greedy implementation sortings *800	0 / 0	3
	757	P1738B Prefix Sum Addicts constructive algorithms greedy math sortings *1200	0 / 0	4
	738	P1740B Jumbo Extra Cheese 2 geometry greedy sortings *800	0 / 0	3
	737	P1740C Bricks and Bags constructive algorithms games greedy sortings *1400	0 / 0	4
	731	P1740G Dangerous Laser Power constructive algorithms dsu sortings *3100	0 / 0	10
	725	P1741D Masha and a Beautiful Tree dfs and similar divide and conquer graphs sortings trees *1300	0 / 0	4
	721	P1741F Multi-Colored Segments binary search data structures math sortings *2000	0 / 0	7
	716	P1742B Increasing greedy implementation sortings *800	0 / 0	3
	705	P1742G Orray bitmasks brute force greedy math sortings *1500	0 / 0	5
	683	P1744D Divisibility by 2^n greedy math sortings *1200	0 / 0	4
	673	P1746D Paths on the Tree dfs and similar dp greedy sortings trees *1900	0 / 0	6
	668	P1746G Olympiad Training binary search data structures dp flows geometry implementation sortings *3500	0 / 0	10
	582	P1759E The Humanoid brute force dp sortings *1500	0 / 0	5
	576	P1760A Medium Number implementation sortings *800	0 / 0	3
	573	P1760C Advantage data structures implementation sortings *800	0 / 0	3
	568	P1760F Quests binary search greedy sortings *1500	0 / 0	5
	554	P1762B Make Array Good constructive algorithms implementation number theory sortings *1100	0 / 0	3
	548	P1762G Unequal Adjacent Elements constructive algorithms sortings *3100	0 / 0	10
	544	P1763B Incinerate binary search brute force data structures implementation math sortings *1200	1 / 1	4
	528	P1764E Doremy's Number Line dp greedy sortings *2400	0 / 0	9
	525	P1764F Doremy's Experimental Tree brute force constructive algorithms dfs and similar dsu sortings trees *2500	0 / 0	9
	478	P1767B Block Towers data structures greedy sortings *800	0 / 0	3
	471	P1768C Elemental Decompress constructive algorithms greedy implementation sortings *1300	0 / 0	4
	447	P1771A Hossam and Combinatorics combinatorics math sortings *900	0 / 0	3
	431	P1773E Easy Assembly greedy sortings *1400	0 / 0	4
	392	P1776C Library game games greedy interactive sortings *2500	0 / 0	9
	371	P1777C Quiz Master binary search math number theory sortings two pointers *1700	0 / 0	5
	352	P1779D Boris and His Amazing Haircut constructive algorithms data structures dp dsu greedy sortings *1700	0 / 0	5
	351	P1779E Anya's Simultaneous Exhibition constructive algorithms graphs greedy interactive sortings *2400	0 / 0	9
	339	P1780F Three Chairs bitmasks brute force combinatorics data structures dp number theory sortings *2300	0 / 0	8
	333	P1781B Going to the Cinema brute force greedy sortings *1000	0 / 0	3
	332	P1781C Equal Frequencies brute force constructive algorithms greedy implementation sortings strings *1600	0 / 0	5
	322	P1783A Make it Beautiful constructive algorithms math sortings *800	1 / 1	3
	319	P1783C Yet Another Tournament binary search greedy sortings *1700	0 / 0	5
	305	P1786B Cake Assembly Line brute force sortings *1300	0 / 0	4
	272	P1790D Matryoshkas data structures greedy sortings *1200	0 / 0	4
	263	P1791E Negatives and Positives dp greedy sortings *1100	0 / 0	3
	259	P1791G1 Teleporters (Easy Version) greedy sortings *1100	0 / 0	3
	258	P1791G2 Teleporters (Hard Version) binary search greedy sortings *1900	0 / 0	6
	256	P1792A GamingForces greedy sortings *800	0 / 0	3
	252	P1792D Fixed Prefix Permutations binary search bitmasks data structures hashing math sortings *1700	0 / 0	5
	241	P1793E Velepin and Marketing binary search data structures dp greedy sortings two pointers *2600	0 / 0	10
	201	P1798A Showstopper greedy implementation sortings *800	1 / 1	3
	183	P1799F Halve or Subtract binary search brute force dp greedy sortings *2700	0 / 0	10
	163	P1801B Buying gifts data structures greedy sortings *1800	0 / 0	6
	162	P1801C Music Festival binary search data structures dp greedy sortings *1900	0 / 0	6
	160	P1801D The way home binary search data structures dp graphs greedy shortest paths sortings *2100	0 / 0	7
	136	P1805F1 Survival of the Weakest (easy version) binary search brute force implementation math sortings *2600	0 / 0	10
	135	P1805F2 Survival of the Weakest (hard version) greedy math sortings two pointers *3100	0 / 0	10
	127	P1806F1 GCD Master (easy version) greedy math number theory sortings *2900	0 / 0	10
	125	P1806F2 GCD Master (hard version) greedy math sortings *2900	0 / 0	10
	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
	110	P1808B Playing in a Casino math sortings *1200	0 / 0	4
	81	P1810C Make It Permutation brute force greedy sortings *1300	0 / 0	4
	75	P1810F M-tree data structures math sortings trees *2800	0 / 0	10
	54	P1814C Search in Parallel constructive algorithms greedy sortings *1500	0 / 0	5
	35	P1819B The Butcher geometry greedy implementation sortings two pointers *1900	0 / 0	6
	16	P1821E Rearrange Brackets brute force dp greedy sortings strings	1 / 1	10
	12	P1822A TubeTube Feed brute force implementation sortings	0 / 0	(None)
	10	P1822B Karina and Array greedy math sortings	0 / 0	(None)
	3639	P1823B Sort with Step math sortings	0 / 0	(None)
	9786	P1826A Trust Nobody brute force greedy implementation sortings	0 / 0	(None)
	9782	P1826E Walk the Runway bitmasks brute force data structures dp graphs implementation sortings	0 / 0	(None)
	9823	P1827A Counting Orders combinatorics math sortings two pointers *1100	0 / 0	3
	9845	P1830C Hyperregular Bracket Strings combinatorics hashing math number theory sortings	0 / 0	(None)
	9813	P1832B Maximum Sum brute force sortings two pointers *1100	0 / 0	3
	9838	P1833B Restore the Weather greedy sortings *900	0 / 0	3
	9834	P1833F Ira and Flamenco combinatorics constructive algorithms data structures implementation math sortings two pointers *1700	0 / 0	5
	9933	P1836A Destroyer implementation sortings *800	0 / 0	3
	9865	P1839B Lamps greedy sortings *1100	0 / 0	3

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