Problem Set - HFOJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	9665	P22E Scheme dfs and similar graphs trees *2300	0 / 0	8
	9664	P23A You're Given a String... brute force greedy *1200	0 / 0	4
	9663	P23B Party constructive algorithms graphs math *1600	0 / 0	5
	9662	P23C Oranges and Apples constructive algorithms sortings *2500	0 / 0	9
	9661	P23D Tetragon geometry math *2600	0 / 0	10
	9660	P23E Tree dp *2500	0 / 0	9
	9659	P24A Ring road graphs *1400	0 / 0	4
	9658	P24B F1 Champions implementation *1500	0 / 0	5
	9657	P24C Sequence of points geometry implementation math *1800	0 / 0	6
	9656	P24D Broken robot dp math probabilities *2400	0 / 0	9
	9655	P24E Berland collider binary search *2300	0 / 0	8
	9654	P25A IQ test brute force *1300	0 / 0	4
	9653	P25B Phone numbers implementation *1100	0 / 0	3
	9652	P25C Roads in Berland graphs shortest paths *1900	0 / 0	6
	9651	P25D Roads not only in Berland dsu graphs trees *1900	0 / 0	6
	9650	P25E Test hashing strings *2200	0 / 0	8
	9649	P26A Almost Prime number theory *900	0 / 0	3
	9648	P26B Regular Bracket Sequence greedy *1400	0 / 0	4
	9647	P26C Parquet combinatorics constructive algorithms greedy implementation *2000	0 / 0	7
	9646	P26D Tickets combinatorics math probabilities *2400	0 / 0	9
	9645	P26E Multithreading constructive algorithms *2400	0 / 0	9
	9644	P27A Next Test implementation sortings *1200	0 / 0	4
	9643	P27B Tournament bitmasks brute force dfs and similar greedy *1300	0 / 0	4
	9642	P27C Unordered Subsequence constructive algorithms greedy *1900	0 / 0	6
	9641	P27D Ring Road 2 2-sat dfs and similar dsu graphs *2200	0 / 0	8
	9640	P27E Number With The Given Amount Of Divisors brute force dp number theory *2000	1 / 1	7
	9639	P28A Bender Problem implementation *1600	0 / 0	5
	9638	P28B pSort dfs and similar dsu graphs *1600	0 / 0	5
	9637	P28C Bath Queue combinatorics dp probabilities *2200	0 / 0	8
	9636	P28D Don't fear, DravDe is kind binary search data structures dp hashing *2400	0 / 0	9
	9635	P28E DravDe saves the world geometry math *2800	0 / 0	10
	9634	P29A Spit Problem brute force *1000	0 / 0	3
	9633	P29B Traffic Lights implementation *1500	0 / 0	5
	9632	P29C Mail Stamps data structures dfs and similar graphs implementation *1700	0 / 0	5
	9631	P29D Ant on the Tree constructive algorithms dfs and similar trees *2000	0 / 0	7
	9630	P29E Quarrel graphs shortest paths *2400	0 / 0	9
	9629	P30A Accounting brute force math *1400	0 / 0	4
	9628	P30B Codeforces World Finals implementation *1700	0 / 0	5
	9627	P30C Shooting Gallery dp probabilities *1800	0 / 0	6
	9626	P30D King's Problem? geometry greedy *2600	0 / 0	10
	9625	P30E Tricky and Clever Password binary search constructive algorithms data structures greedy hashing strings *2800	0 / 0	10
	9624	P31A Worms Evolution implementation *1200	0 / 0	4
	9623	P31B Sysadmin Bob greedy implementation strings *1500	0 / 0	5
	9622	P31C Schedule implementation *1700	0 / 0	5
	9621	P31D Chocolate dfs and similar implementation *2000	0 / 0	7
	9620	P31E TV Game dp *2400	0 / 0	9
	9619	P32A Reconnaissance brute force *800	0 / 0	3
	9618	P32B Borze expression parsing implementation *800	0 / 0	3
	9617	P32C Flea math *1700	0 / 0	5
	9616	P32D Constellation implementation *1600	0 / 0	5
	9615	P32E Hide-and-Seek geometry implementation *2400	0 / 0	9
	9614	P33A What is for dinner? greedy implementation *1200	0 / 0	4
	9613	P33B String Problem shortest paths *1800	0 / 0	6
	9612	P33C Wonderful Randomized Sum greedy *1800	0 / 0	6
	9611	P33D Knights geometry graphs shortest paths sortings *2000	0 / 0	7
	9610	P33E Helper *2600	0 / 0	10
	9609	P34A Reconnaissance 2 implementation *800	0 / 0	3
	9608	P34B Sale greedy sortings *900	0 / 0	3
	9607	P34C Page Numbers expression parsing implementation sortings strings *1300	0 / 0	4
	9606	P34D Road Map dfs and similar graphs *1600	0 / 0	5
	9605	P34E Collisions brute force implementation math *2000	0 / 0	7
	9604	P35A Shell Game implementation *1000	0 / 0	3
	9603	P35B Warehouse implementation *1700	0 / 0	5
	9602	P35C Fire Again brute force dfs and similar shortest paths *1500	0 / 0	5
	9601	P35D Animals dp greedy *1700	0 / 0	5
	9600	P35E Parade data structures sortings *2100	0 / 0	7
	9599	P36A Extra-terrestrial Intelligence implementation *1300	0 / 0	4
	9598	P36B Fractal implementation *1600	0 / 0	5
	9597	P36C Bowls geometry implementation *2200	0 / 0	8
	9596	P36D New Game with a Chess Piece games *2300	0 / 0	8
	9595	P36E Two Paths constructive algorithms dsu graphs implementation *2600	0 / 0	10
	9594	P37A Towers sortings *1000	0 / 0	3
	9593	P37B Computer Game greedy implementation *1800	0 / 0	6
	9592	P37C Old Berland Language data structures greedy trees *1900	0 / 0	6
	9591	P37D Lesson Timetable combinatorics dp math *2300	0 / 0	8
	9590	P37E Trial for Chief graphs greedy shortest paths *2600	0 / 0	10
	9589	P38A Army implementation *800	0 / 0	3
	9588	P38B Chess brute force implementation math *1200	0 / 0	4
	9587	P38C Blinds brute force *1400	0 / 0	4
	9586	P38D Vasya the Architect implementation *1900	0 / 0	6
	9585	P38E Let's Go Rolling! dp sortings *1800	0 / 0	6
	9584	P38F Smart Boy dp games strings *2100	0 / 0	7
	9583	P38G Queue data structures *2300	0 / 0	8
	9582	P38H The Great Marathon dp *2400	0 / 0	9
	9581	P39A C++ Calculations expression parsing greedy 2000	0 / 0	7
	9580	P39B Company Income Growth greedy *1300	0 / 0	4
	9579	P39C Moon Craters dp sortings *2100	0 / 0	7
	9578	P39D Cubical Planet math *1100	0 / 0	3
	9577	P39E What Has Dirichlet Got to Do with That? dp games *2000	0 / 0	7
	9576	P39F Pacifist frogs implementation *1300	0 / 0	4
	9575	P39G Inverse Function implementation *2400	0 / 0	9
	9574	P39H Multiplication Table implementation *1300	0 / 0	4
	9573	P39I Tram *2500	0 / 0	9
	9572	P39J Spelling Check hashing implementation strings *1500	0 / 0	5
	9571	P39K Testing *2600	0 / 0	10
	9570	P40A Find Color constructive algorithms geometry implementation math *1300	0 / 0	4
	9569	P40B Repaintings math *1600	0 / 0	5
	9568	P40C Berland Square implementation math *2300	0 / 0	8
	9567	P40D Interesting Sequence math *2600	0 / 0	10
	9566	P40E Number Table combinatorics *2500	0 / 0	9

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