Problem Set - SAST OJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	5511	codeforces#P830D Singer House combinatorics dp graphs trees *2800	0 / 0	10
	5510	codeforces#P830E Perpetual Motion Machine constructive algorithms dp graphs implementation math trees *3100	0 / 0	10
	5509	codeforces#P831A Unimodal Array implementation *1000	0 / 0	3
	5508	codeforces#P831B Keyboard Layouts implementation strings *800	0 / 0	3
	5507	codeforces#P831C Jury Marks brute force constructive algorithms *1700	0 / 0	5
	5506	codeforces#P832A Sasha and Sticks games math *800	0 / 0	3
	5505	codeforces#P832B Petya and Exam implementation strings *1600	0 / 0	5
	5504	codeforces#P832C Strange Radiation binary search implementation math *2500	0 / 0	9
	5503	codeforces#P832D Misha, Grisha and Underground dfs and similar graphs trees *1900	0 / 0	6
	5502	codeforces#P832E Vasya and Shifts matrices *2600	0 / 0	10
	5501	codeforces#P833A The Meaningless Game math number theory *1700	0 / 0	5
	5500	codeforces#P833B The Bakery binary search data structures divide and conquer dp two pointers *2200	0 / 0	8
	5499	codeforces#P833C Ever-Hungry Krakozyabra brute force combinatorics greedy math *2700	0 / 0	10
	5498	codeforces#P833D Red-Black Cobweb data structures divide and conquer implementation trees *2800	0 / 0	10
	5497	codeforces#P833E Caramel Clouds data structures dp sortings *3400	0 / 0	10
	5496	codeforces#P834A The Useless Toy implementation *900	0 / 0	3
	5495	codeforces#P834B The Festive Evening data structures implementation *1100	0 / 0	3
	5494	codeforces#P835A Key races math *800	0 / 0	3
	5493	codeforces#P835B The number on the board greedy *1100	0 / 0	3
	5492	codeforces#P835C Star sky dp implementation *1600	0 / 0	5
	5491	codeforces#P835D Palindromic characteristics brute force dp hashing strings *1900	0 / 0	6
	5490	codeforces#P835E The penguin's game binary search constructive algorithms interactive *2400	0 / 0	9
	5489	codeforces#P835F Roads in the Kingdom dfs and similar dp graphs trees *2500	0 / 0	9
	5488	codeforces#P837A Text Volume implementation *800	0 / 0	3
	5487	codeforces#P837B Flag of Berland brute force implementation *1600	0 / 0	5
	5486	codeforces#P837C Two Seals brute force implementation *1500	0 / 0	5
	5485	codeforces#P837D Round Subset dp math *2100	0 / 0	7
	5484	codeforces#P837E Vasya's Function binary search implementation math *2100	0 / 0	7
	5483	codeforces#P837F Prefix Sums binary search brute force combinatorics math matrices *2400	0 / 0	9
	5482	codeforces#P837G Functions On The Segments data structures *2500	0 / 0	9
	5481	codeforces#P838A Binary Blocks brute force *1400	0 / 0	4
	5480	codeforces#P838B Diverging Directions data structures dfs and similar trees *2100	0 / 0	7
	5479	codeforces#P838C Future Failure dp games *2800	0 / 0	10
	5478	codeforces#P838D Airplane Arrangements math number theory *2700	0 / 0	10
	5477	codeforces#P838E Convex Countour dp *2300	0 / 0	8
	5476	codeforces#P838F Expected Earnings *2800	0 / 0	10
	5475	codeforces#P839A Arya and Bran implementation *900	0 / 0	3
	5474	codeforces#P839B Game of the Rows brute force greedy implementation *1900	0 / 0	6
	5473	codeforces#P839C Journey dfs and similar dp graphs probabilities trees *1500	0 / 0	5
	5472	codeforces#P839D Winter is here combinatorics dp math number theory *2200	0 / 0	8
	5471	codeforces#P839E Mother of Dragons brute force graphs math meet-in-the-middle *2700	0 / 0	10
	5470	codeforces#P840A Leha and Function combinatorics greedy math number theory sortings *1300	0 / 0	4
	5469	codeforces#P840B Leha and another game about graph constructive algorithms data structures dfs and similar dp graphs *2100	0 / 0	7
	5468	codeforces#P840C On the Bench combinatorics dp *2500	0 / 0	9
	5467	codeforces#P840D Destiny data structures probabilities *2500	0 / 0	9
	5466	codeforces#P840E In a Trap trees *3200	0 / 0	10
	5465	codeforces#P841A Generous Kefa brute force implementation *900	0 / 0	3
	5464	codeforces#P841B Godsend games math *1100	0 / 0	3
	5463	codeforces#P842A Kirill And The Game brute force two pointers *1200	0 / 0	4
	5462	codeforces#P842B Gleb And Pizza geometry *1100	0 / 0	3
	5461	codeforces#P842C Ilya And The Tree dfs and similar graphs math number theory trees *2000	0 / 0	7
	5460	codeforces#P842D Vitya and Strange Lesson binary search data structures *2000	0 / 0	7
	5459	codeforces#P842E Nikita and game binary search dfs and similar divide and conquer graphs trees *2800	0 / 0	10
	5458	codeforces#P843A Sorting by Subsequences dfs and similar dsu implementation math sortings *1400	0 / 0	4
	5457	codeforces#P843B Interactive LowerBound brute force interactive probabilities *2000	0 / 0	7
	5456	codeforces#P843C Upgrading Tree constructive algorithms dfs and similar graphs math trees *2600	0 / 0	10
	5455	codeforces#P843D Dynamic Shortest Path graphs shortest paths *3400	0 / 0	10
	5454	codeforces#P843E Maximum Flow flows graphs *3000	0 / 0	10
	5453	codeforces#P844A Diversity greedy implementation strings *1000	0 / 0	3
	5452	codeforces#P844B Rectangles combinatorics math *1300	0 / 0	4
	5451	codeforces#P845A Chess Tourney implementation sortings *1100	0 / 0	3
	5450	codeforces#P845B Luba And The Ticket brute force greedy implementation *1600	0 / 0	5
	5449	codeforces#P845C Two TVs data structures greedy sortings *1500	0 / 0	5
	5448	codeforces#P845D Driving Test data structures dp greedy *1800	0 / 0	6
	5447	codeforces#P845E Fire in the City binary search data structures *2400	0 / 0	9
	5446	codeforces#P845F Guards In The Storehouse bitmasks dp *2500	0 / 0	9
	5445	codeforces#P845G Shortest Path Problem? dfs and similar graphs math *2300	0 / 0	8
	5444	codeforces#P846A Curriculum Vitae brute force implementation *1500	0 / 0	5
	5443	codeforces#P846B Math Show brute force greedy *1800	0 / 0	6
	5442	codeforces#P846C Four Segments brute force data structures dp *1800	0 / 0	6
	5441	codeforces#P846D Monitor binary search data structures *1900	0 / 0	6
	5440	codeforces#P846E Chemistry in Berland dfs and similar greedy trees *2300	0 / 0	8
	5439	codeforces#P846F Random Query data structures math probabilities two pointers *1800	0 / 0	6
	5438	codeforces#P847A Union of Doubly Linked Lists implementation *1500	0 / 0	5
	5437	codeforces#P847B Preparing for Merge Sort binary search data structures *1600	0 / 0	5
	5436	codeforces#P847C Sum of Nestings constructive algorithms *1800	0 / 0	6
	5435	codeforces#P847D Dog Show constructive algorithms data structures greedy *2200	0 / 0	8
	5434	codeforces#P847E Packmen binary search dp *1800	0 / 0	6
	5433	codeforces#P847F Berland Elections greedy sortings *2100	0 / 0	7
	5432	codeforces#P847G University Classes implementation *900	0 / 0	3
	5431	codeforces#P847H Load Testing greedy *1600	0 / 0	5
	5430	codeforces#P847I Noise Level dfs and similar implementation math *1900	0 / 0	6
	5429	codeforces#P847J Students Initiation binary search flows graphs *2400	0 / 0	9
	5428	codeforces#P847K Travel Cards greedy implementation sortings *1800	0 / 0	6
	5427	codeforces#P847L Berland SU Computer Network constructive algorithms dfs and similar graphs hashing trees *2400	0 / 0	9
	5426	codeforces#P847M Weather Tomorrow implementation math *1000	0 / 0	3
	5425	codeforces#P848A From Y to Y constructive algorithms *1600	0 / 0	5
	5424	codeforces#P848B Rooter's Song constructive algorithms data structures geometry implementation sortings two pointers *1900	0 / 0	6
	5423	codeforces#P848C Goodbye Souvenir data structures divide and conquer *2600	0 / 0	10
	5422	codeforces#P848D Shake It! combinatorics dp flows graphs *2900	0 / 0	10
	5421	codeforces#P848E Days of Floral Colours combinatorics divide and conquer dp fft math *3400	0 / 0	10
	5420	codeforces#P849A Odds and Ends implementation *1000	0 / 0	3
	5419	codeforces#P849B Tell Your World brute force geometry *1600	0 / 0	5
	5418	codeforces#P850A Five Dimensional Points brute force geometry math *1700	0 / 0	5
	5417	codeforces#P850B Arpa and a list of numbers implementation number theory *2100	0 / 0	7
	5416	codeforces#P850C Arpa and a game with Mojtaba bitmasks dp games *2200	0 / 0	8
	5415	codeforces#P850D Tournament Construction constructive algorithms dp graphs greedy math *2800	0 / 0	10
	5414	codeforces#P850E Random Elections bitmasks brute force divide and conquer fft math *2800	0 / 0	10
	5413	codeforces#P850F Rainbow Balls math *2800	0 / 0	10
	5412	codeforces#P851A Arpa and a research in Mexican wave implementation math *800	0 / 0	3

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