Problem Set - HFOJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	9565	P41A Translation implementation strings *800	0 / 0	3
	9564	P41B Martian Dollar brute force *1400	0 / 0	4
	9563	P41C Email address expression parsing implementation *1300	0 / 0	4
	9562	P41D Pawn dp *1900	0 / 0	6
	9561	P41E 3-cycles constructive algorithms graphs greedy *1900	0 / 0	6
	9560	P42A Guilty — to the kitchen! greedy implementation *1400	0 / 0	4
	9559	P42B Game of chess unfinished implementation *1700	0 / 0	5
	9558	P42C Safe cracking brute force constructive algorithms *2200	0 / 0	8
	9557	P42D Strange town constructive algorithms math *2300	0 / 0	8
	9556	P42E Baldman and the military dfs and similar graphs trees *2700	0 / 0	10
	9555	P43A Football strings *1000	0 / 0	3
	9554	P43B Letter implementation strings *1100	0 / 0	3
	9553	P43C Lucky Tickets greedy *1300	0 / 0	4
	9552	P43D Journey brute force constructive algorithms implementation *2000	0 / 0	7
	9551	P43E Race brute force implementation two pointers *2300	0 / 0	8
	9550	P44A Indian Summer implementation *900	0 / 0	3
	9549	P44B Cola implementation *1500	0 / 0	5
	9548	P44C Holidays implementation *1300	0 / 0	4
	9547	P44D Hyperdrive math *1800	0 / 0	6
	9546	P44E Anfisa the Monkey dp *1400	0 / 0	4
	9545	P44F BerPaint geometry graphs *2700	0 / 0	10
	9544	P44G Shooting Gallery data structures implementation *2500	0 / 0	9
	9543	P44H Phone Number dp *1700	0 / 0	5
	9542	P44I Toys brute force combinatorics *2300	0 / 0	8
	9541	P44J Triminoes constructive algorithms greedy *2000	0 / 0	7
	9540	P45A Codecraft III implementation *900	0 / 0	3
	9539	P45B School dp dsu *2200	0 / 0	8
	9538	P45C Dancing Lessons data structures *1900	0 / 0	6
	9537	P45D Event Dates greedy meet-in-the-middle sortings *1900	0 / 0	6
	9536	P45E Director constructive algorithms greedy *2000	0 / 0	7
	9535	P45F Goats and Wolves greedy *2500	0 / 0	9
	9534	P45G Prime Problem number theory *2200	0 / 0	8
	9533	P45H Road Problem graphs *2100	0 / 0	7
	9532	P45I TCMCF+++ greedy *1400	0 / 0	4
	9531	P45J Planting Trees constructive algorithms *1800	0 / 0	6
	9530	P46A Ball Game brute force implementation *800	0 / 0	3
	9529	P46B T-shirts from Sponsor implementation *1100	0 / 0	3
	9528	P46C Hamsters and Tigers two pointers *1600	0 / 0	5
	9527	P46D Parking Lot data structures implementation *1800	0 / 0	6
	9526	P46E Comb data structures dp *1900	0 / 0	6
	9525	P46F Hercule Poirot Problem dsu graphs *2300	0 / 0	8
	9524	P46G Emperor's Problem geometry *2500	0 / 0	9
	9523	P47A Triangular numbers brute force math *800	0 / 0	3
	9522	P47B Coins implementation *1200	0 / 0	4
	9521	P47C Crossword implementation *2000	0 / 0	7
	9520	P47D Safe brute force *2200	0 / 0	8
	9519	P47E Cannon data structures geometry sortings *2200	0 / 0	8
	9518	P48A Rock-paper-scissors implementation schedules *900	0 / 0	3
	9517	P48B Land Lot brute force implementation *1200	0 / 0	4
	9516	P48C The Race math *1800	0 / 0	6
	9515	P48D Permutations greedy *1500	0 / 0	5
	9514	P48E Ivan the Fool VS Gorynych the Dragon dp games graphs *2100	0 / 0	7
	9513	P48F Snow sellers greedy sortings *2800	0 / 0	10
	9512	P48G Galaxy Union dp trees two pointers *2700	0 / 0	10
	9511	P48H Black and White constructive algorithms *2800	0 / 0	10
	9510	P49A Sleuth implementation *800	0 / 0	3
	9509	P49B Sum math *1500	0 / 0	5
	9508	P49C Disposition constructive algorithms math *1700	0 / 0	5
	9507	P49D Game brute force dp implementation *1800	0 / 0	6
	9506	P49E Common ancestor dp *2300	0 / 0	8
	9505	P50A Domino piling greedy math *800	0 / 0	3
	9504	P50B Choosing Symbol Pairs strings *1500	0 / 0	5
	9503	P50C Happy Farm 5 geometry *2000	0 / 0	7
	9502	P50D Bombing binary search dp probabilities *2100	0 / 0	7
	9501	P50E Square Equation Roots math *2300	0 / 0	8
	9500	P51A Cheaterius's Problem implementation *1300	0 / 0	4
	9499	P51B bHTML Tables Analisys expression parsing *1700	0 / 0	5
	9498	P51C Three Base Stations binary search greedy *1800	0 / 0	6
	9497	P51D Geometrical problem implementation *2200	0 / 0	8
	9496	P51E Pentagon combinatorics graphs matrices *2400	0 / 0	9
	9495	P51F Caterpillar dfs and similar dp graphs trees *2800	0 / 0	10
	9494	P52A 123-sequence implementation *900	0 / 0	3
	9493	P52B Right Triangles combinatorics *1600	0 / 0	5
	9492	P52C Circular RMQ data structures *2200	0 / 0	8
	9491	P53A Autocomplete implementation *1100	0 / 0	3
	9490	P53B Blog Photo binary search implementation *1700	0 / 0	5
	9489	P53C Little Frog constructive algorithms *1200	0 / 0	4
	9488	P53D Physical Education sortings *1500	0 / 0	5
	9487	P53E Dead Ends bitmasks dp *2500	0 / 0	9
	9486	P54A Presents implementation *1300	0 / 0	4
	9485	P54B Cutting Jigsaw Puzzle hashing implementation *1800	0 / 0	6
	9484	P54C First Digit Law dp math probabilities *2000	0 / 0	7
	9483	P54D Writing a Song brute force dp strings *2100	0 / 0	7
	9482	P54E Vacuum Сleaner geometry *2700	0 / 0	10
	9481	P55A Flea travel implementation math *1200	0 / 0	4
	9480	P55B Smallest number brute force *1600	0 / 0	5
	9479	P55C Pie or die games *1900	0 / 0	6
	9478	P55D Beautiful numbers dp number theory *2500	0 / 0	9
	9477	P55E Very simple problem geometry two pointers *2500	0 / 0	9
	9476	P56A Bar implementation *1000	0 / 0	3
	9475	P56B Spoilt Permutation implementation *1300	0 / 0	4
	9474	P56C Corporation Mail data structures expression parsing implementation *1700	0 / 0	5
	9473	P56D Changing a String dp *2100	0 / 0	7
	9472	P56E Domino Principle binary search data structures sortings *2200	0 / 0	8
	9471	P57A Square Earth? dfs and similar greedy implementation *1300	0 / 0	4
	9470	P57B Martian Architecture implementation *1600	0 / 0	5
	9469	P57C Array combinatorics math *1900	0 / 0	6
	9468	P57D Journey dp math *2500	0 / 0	9
	9467	P57E Chess math shortest paths *3000	0 / 0	10
	9466	P58A Chat room greedy strings *1000	0 / 0	3

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