Problem Set - HFOJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	837	P1725I Imitating the Key Tree combinatorics dsu trees *2800	0 / 0	10
	836	P1725J Journey dp trees *2500	0 / 0	9
	835	P1725K Kingdom of Criticism data structures dsu *2500	0 / 0	9
	834	P1725L Lemper Cooking Competition data structures *2400	0 / 0	9
	833	P1725M Moving Both Hands dp graphs shortest paths *1800	0 / 0	6
	832	P1726A Mainak and Array greedy math *900	0 / 0	3
	831	P1726B Mainak and Interesting Sequence bitmasks constructive algorithms math *1100	0 / 0	3
	830	P1726C Jatayu's Balanced Bracket Sequence data structures dsu graphs greedy *1300	0 / 0	4
	829	P1726D Edge Split brute force constructive algorithms dfs and similar dsu graphs probabilities trees *2000	0 / 0	7
	828	P1726E Almost Perfect combinatorics fft math *2400	0 / 0	9
	827	P1726F Late For Work (submissions are not allowed) data structures greedy schedules shortest paths *2900	0 / 0	10
	826	P1726G A Certain Magical Party combinatorics data structures greedy sortings *3300	0 / 0	10
	825	P1726H Mainak and the Bleeding Polygon binary search geometry implementation math *3500	0 / 0	10
	824	P1728A Colored Balls: Revisited brute force greedy implementation sortings *800	0 / 0	3
	823	P1728B Best Permutation constructive algorithms greedy *800	0 / 0	3
	822	P1728C Digital Logarithm data structures greedy sortings *1400	0 / 0	4
	821	P1728D Letter Picking constructive algorithms dp games two pointers *1800	0 / 0	6
	820	P1728E Red-Black Pepper brute force data structures greedy math number theory *2300	0 / 0	8
	819	P1728F Fishermen flows graph matchings greedy *3100	0 / 0	10
	818	P1728G Illumination binary search bitmasks brute force combinatorics dp math two pointers *2700	0 / 0	10
	817	P1729A Two Elevators math *800	0 / 0	3
	816	P1729B Decode String greedy strings *800	0 / 0	3
	815	P1729C Jumping on Tiles constructive algorithms strings *1100	0 / 0	3
	814	P1729D Friends and the Restaurant greedy sortings two pointers *1200	0 / 0	4
	813	P1729E Guess the Cycle Size interactive probabilities *1800	0 / 0	6
	812	P1729F Kirei and the Linear Function hashing math *1900	0 / 0	6
	811	P1729G Cut Substrings combinatorics dp hashing strings two pointers *2100	0 / 0	7
	810	P1730A Planets data structures greedy sortings *800	0 / 0	3
	809	P1730B Meeting on the Line binary search geometry greedy implementation math ternary search *1600	0 / 0	5
	808	P1730C Minimum Notation data structures greedy math sortings *1200	0 / 0	4
	807	P1730D Prefixes and Suffixes constructive algorithms strings two pointers *2200	0 / 0	8
	806	P1730E Maximums and Minimums combinatorics data structures divide and conquer number theory *2700	0 / 0	10
	805	P1730F Almost Sorted bitmasks data structures dp *2700	0 / 0	10
	804	P1731A Joey Takes Money greedy math *800	0 / 0	3
	803	P1731B Kill Demodogs greedy math *1100	0 / 0	3
	802	P1731C Even Subarrays bitmasks brute force hashing math number theory *1700	0 / 0	5
	801	P1731D Valiant's New Map binary search brute force data structures dp two pointers *1700	0 / 0	5
	800	P1731E Graph Cost dp greedy math number theory *2000	0 / 0	7
	799	P1731F Function Sum brute force combinatorics dp fft math *2500	0 / 0	9
	798	P1732A Bestie brute force combinatorics constructive algorithms implementation math number theory *1000	0 / 0	3
	797	P1732B Ugu brute force dp greedy implementation *900	0 / 0	3
	796	P1732C1 Sheikh (Easy version) binary search bitmasks greedy two pointers *1800	0 / 0	6
	795	P1732C2 Sheikh (Hard Version) binary search bitmasks brute force greedy implementation two pointers *2100	0 / 0	7
	794	P1732D1 Balance (Easy version) brute force data structures implementation number theory *1500	0 / 0	5
	793	P1732D2 Balance (Hard version) brute force data structures number theory *2400	0 / 0	9
	792	P1732E Location data structures dp math number theory *2800	0 / 0	10
	791	P1733A Consecutive Sum greedy sortings *800	0 / 0	3
	790	P1733B Rule of League constructive algorithms math *900	0 / 0	3
	789	P1733C Parity Shuffle Sorting constructive algorithms sortings *1300	0 / 0	4
	788	P1733D1 Zero-One (Easy Version) constructive algorithms greedy math *1400	0 / 0	4
	787	P1733D2 Zero-One (Hard Version) dp greedy *2000	0 / 0	7
	786	P1733E Conveyor constructive algorithms dp math *2700	0 / 0	10
	785	P1734A Select Three Sticks brute force greedy sortings *800	0 / 0	3
	784	P1734B Bright, Nice, Brilliant constructive algorithms *800	0 / 0	3
	783	P1734C Removing Smallest Multiples greedy math *1200	0 / 0	4
	782	P1734D Slime Escape data structures dp greedy two pointers *1800	0 / 0	6
	781	P1734E Rectangular Congruence constructive algorithms number theory *2100	0 / 0	7
	780	P1734F Zeros and Ones bitmasks divide and conquer dp math *2500	0 / 0	9
	779	P1735A Working Week constructive algorithms greedy math *800	0 / 0	3
	778	P1735B Tea with Tangerines greedy math *900	0 / 0	3
	777	P1735C Phase Shift dfs and similar dsu graphs greedy implementation strings *1400	0 / 0	4
	776	P1735D Meta-set brute force combinatorics data structures hashing math *1700	0 / 0	5
	775	P1735E House Planning constructive algorithms data structures graph matchings greedy *2400	0 / 0	9
	774	P1735F Pebbles and Beads data structures geometry *2900	0 / 0	10
	773	P1736A Make A Equal to B brute force greedy sortings *800	0 / 0	3
	772	P1736B Playing with GCD math number theory *1200	0 / 0	4
	771	P1736C1 Good Subarrays (Easy Version) binary search data structures schedules two pointers *1300	0 / 0	4
	770	P1736C2 Good Subarrays (Hard Version) binary search data structures dp two pointers *2400	0 / 0	9
	769	P1736D Equal Binary Subsequences constructive algorithms geometry greedy implementation strings *2200	0 / 0	8
	768	P1736E Swap and Take dp greedy *2600	0 / 0	10
	767	P1737A Ela Sorting Books greedy implementation strings *900	0 / 0	3
	766	P1737B Ela's Fitness and the Luxury Number binary search implementation math *1300	0 / 0	4
	764	P1737C Ela and Crickets constructive algorithms games implementation math *1500	0 / 0	5
	762	P1737D Ela and the Wiring Wizard brute force dp graphs greedy implementation shortest paths *2200	0 / 0	8
	761	P1737E Ela Goes Hiking combinatorics dp math probabilities *2500	0 / 0	9
	760	P1737F Ela and Prime GCD constructive algorithms math number theory *3300	0 / 0	10
	759	P1737G Ela Takes Dancing Class binary search data structures *3500	0 / 0	10
	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
	756	P1738C Even Number Addicts dp games greedy math *1500	0 / 0	5
	755	P1738D Permutation Addicts constructive algorithms data structures dfs and similar dsu graphs trees *1900	0 / 0	6
	754	P1738E Balance Addicts combinatorics dp math two pointers *2300	0 / 0	8
	752	P1738F Connectivity Addicts constructive algorithms dsu graphs greedy interactive shortest paths trees *2400	0 / 0	9
	750	P1738G Anti-Increasing Addicts constructive algorithms dp greedy math *2900	0 / 0	10
	749	P1738H Palindrome Addicts data structures strings *3300	0 / 0	10
	748	P1739A Immobile Knight implementation *800	0 / 0	3
	747	P1739B Array Recovery constructive algorithms greedy math *1100	0 / 0	3
	746	P1739C Card Game combinatorics constructive algorithms dp games *1500	0 / 0	5
	743	P1739D Reset K Edges binary search data structures dfs and similar graphs greedy trees *1900	0 / 0	6
	741	P1739E Cleaning Robot bitmasks dp *2400	0 / 0	9
	740	P1739F Keyboard Design bitmasks data structures dp string suffix structures strings *2600	0 / 0	10
	739	P1740A Factorise N+M constructive algorithms number theory *800	0 / 0	3
	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
	736	P1740D Knowledge Cards constructive algorithms data structures *1500	0 / 0	5
	733	P1740E Hanging Hearts constructive algorithms data structures dfs and similar dp greedy trees *1800	0 / 0	6
	732	P1740F Conditional Mix combinatorics dp math *2600	0 / 0	10
	731	P1740G Dangerous Laser Power constructive algorithms dsu sortings *3100	0 / 0	10
	730	P1740H MEX Tree Manipulation data structures trees *3300	0 / 0	10
	729	P1740I Arranging Crystal Balls data structures divide and conquer divide and conquer dp geometry graphs number theory *3500	0 / 0	10

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