Problem Set - SAST OJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	6848	P538G Berserk Robot constructive algorithms math sortings *3100	0 / 0	10
	6847	P538H Summer Dichotomy 2-sat data structures dfs and similar greedy *3200	0 / 0	10
	6846	P540A Combination Lock implementation *800	0 / 0	3
	6845	P540B School Marks greedy implementation *1700	0 / 0	5
	6844	P540C Ice Cave dfs and similar *2000	0 / 0	7
	6843	P540D Bad Luck Island dp probabilities *1900	0 / 0	6
	6842	P540E Infinite Inversions binary search data structures implementation sortings trees *2100	0 / 0	7
	6841	P542A Place Your Ad Here data structures sortings *2400	0 / 0	9
	6840	P542B Duck Hunt data structures *3100	0 / 0	10
	6839	P542C Idempotent functions constructive algorithms graphs math *2000	0 / 0	7
	6838	P542D Superhero's Job dfs and similar dp hashing math number theory *2600	0 / 0	10
	6837	P542E Playing on Graph graphs shortest paths *2600	0 / 0	10
	6836	P542F Quest dp greedy *2100	0 / 0	7
	6835	P543A Writing Code dp *1800	0 / 0	6
	6834	P543B Destroying Roads constructive algorithms graphs shortest paths *2100	0 / 0	7
	6833	P543C Remembering Strings bitmasks dp *2500	0 / 0	9
	6832	P543D Road Improvement dp trees *2300	0 / 0	8
	6831	P543E Listening to Music constructive algorithms data structures *3200	0 / 0	10
	6830	P544A Set of Strings implementation strings *1100	0 / 0	3
	6829	P544B Sea and Islands constructive algorithms implementation *1400	0 / 0	4
	6828	P545A Toy Cars implementation *900	0 / 0	3
	6827	P545B Equidistant String greedy *1100	0 / 0	3
	6826	P545C Woodcutters dp greedy *1500	0 / 0	5
	6825	P545D Queue greedy implementation sortings *1300	0 / 0	4
	6824	P545E Paths and Trees graphs greedy shortest paths *2000	0 / 0	7
	6823	P546A Soldier and Bananas brute force implementation math *800	0 / 0	3
	6822	P546B Soldier and Badges brute force greedy implementation sortings *1200	0 / 0	4
	6821	P546C Soldier and Cards brute force dfs and similar games *1400	0 / 0	4
	6820	P546D Soldier and Number Game constructive algorithms dp math number theory *1700	0 / 0	5
	6819	P546E Soldier and Traveling flows graphs math *2100	0 / 0	7
	6818	P547A Mike and Frog brute force greedy implementation math *2200	0 / 0	8
	6817	P547B Mike and Feet binary search data structures dp dsu *1900	0 / 0	6
	6816	P547C Mike and Foam bitmasks combinatorics dp math number theory *2300	0 / 0	8
	6815	P547D Mike and Fish constructive algorithms dfs and similar graphs *2600	0 / 0	10
	6814	P547E Mike and Friends data structures string suffix structures strings trees *2800	0 / 0	10
	6813	P548A Mike and Fax brute force implementation strings *1100	0 / 0	3
	6812	P548B Mike and Fun brute force dp greedy implementation *1400	0 / 0	4
	6811	P549A Face Detection implementation strings *900	0 / 0	3
	6810	P549B Looksery Party constructive algorithms dfs and similar graphs greedy *2300	0 / 0	8
	6809	P549C The Game Of Parity games *2200	0 / 0	8
	6808	P549D Haar Features greedy implementation *1900	0 / 0	6
	6807	P549E Sasha Circle geometry math *2700	0 / 0	10
	6806	P549F Yura and Developers data structures divide and conquer *2800	0 / 0	10
	6805	P549G Happy Line constructive algorithms greedy sortings *2200	0 / 0	8
	6804	P549H Degenerate Matrix binary search math *2100	0 / 0	7
	6803	P550A Two Substrings brute force dp greedy implementation strings *1500	0 / 0	5
	6802	P550B Preparing Olympiad bitmasks brute force *1400	0 / 0	4
	6801	P550C Divisibility by Eight brute force dp math *1500	0 / 0	5
	6800	P550D Regular Bridge constructive algorithms graphs implementation *1900	0 / 0	6
	6799	P550E Brackets in Implications constructive algorithms greedy implementation math *2200	0 / 0	8
	6798	P551A GukiZ and Contest brute force implementation sortings *800	0 / 0	3
	6797	P551B ZgukistringZ brute force constructive algorithms implementation strings *1800	0 / 0	6
	6796	P551C GukiZ hates Boxes binary search greedy *2200	0 / 0	8
	6795	P551D GukiZ and Binary Operations combinatorics implementation math matrices number theory *2100	0 / 0	7
	6794	P551E GukiZ and GukiZiana binary search data structures implementation *2500	0 / 0	9
	6793	P552A Vanya and Table implementation math *1000	0 / 0	3
	6792	P552B Vanya and Books implementation math *1200	0 / 0	4
	6791	P552C Vanya and Scales brute force dp greedy math meet-in-the-middle number theory *1900	0 / 0	6
	6790	P552D Vanya and Triangles brute force combinatorics data structures geometry math sortings *1900	0 / 0	6
	6789	P552E Vanya and Brackets brute force dp expression parsing greedy implementation strings *2100	0 / 0	7
	6788	P553A Kyoya and Colored Balls combinatorics dp math *1500	0 / 0	5
	6787	P553B Kyoya and Permutation binary search combinatorics constructive algorithms greedy implementation math *1900	0 / 0	6
	6786	P553C Love Triangles dfs and similar dsu graphs *2200	0 / 0	8
	6785	P553D Nudist Beach binary search graphs greedy *2300	0 / 0	8
	6784	P553E Kyoya and Train dp fft graphs math probabilities *3200	0 / 0	10
	6783	P554A Kyoya and Photobooks brute force math strings *900	0 / 0	3
	6782	P554B Ohana Cleans Up brute force greedy strings *1200	0 / 0	4
	6781	P555A Case of Matryoshkas implementation *1500	0 / 0	5
	6780	P555B Case of Fugitive data structures greedy sortings *2000	0 / 0	7
	6779	P555C Case of Chocolate data structures *2200	0 / 0	8
	6778	P555D Case of a Top Secret binary search implementation math *2500	0 / 0	9
	6777	P555E Case of Computer Network dfs and similar graphs trees *2800	0 / 0	10
	6776	P556A Case of the Zeros and Ones greedy *900	0 / 0	3
	6775	P556B Case of Fake Numbers brute force implementation *1100	0 / 0	3
	6774	P557A Ilya and Diplomas greedy implementation math *1100	0 / 0	3
	6773	P557B Pasha and Tea constructive algorithms implementation math sortings *1500	0 / 0	5
	6772	P557C Arthur and Table brute force data structures dp greedy math sortings *1900	0 / 0	6
	6771	P557D Vitaly and Cycle combinatorics dfs and similar graphs math *2000	0 / 0	7
	6770	P557E Ann and Half-Palindrome data structures dp graphs string suffix structures strings trees *2300	0 / 0	8
	6769	P558A Lala Land and Apple Trees brute force implementation sortings *1100	0 / 0	3
	6768	P558B Amr and The Large Array implementation *1300	0 / 0	4
	6767	P558C Amr and Chemistry brute force graphs greedy math shortest paths *1900	0 / 0	6
	6766	P558D Guess Your Way Out! II data structures implementation sortings *2300	0 / 0	8
	6765	P558E A Simple Task data structures sortings strings *2300	0 / 0	8
	6764	P559A Gerald's Hexagon brute force geometry math *1600	0 / 0	5
	6763	P559B Equivalent Strings divide and conquer hashing sortings strings *1700	0 / 0	5
	6762	P559C Gerald and Giant Chess combinatorics dp math number theory *2200	0 / 0	8
	6761	P559D Randomizer combinatorics geometry probabilities *2800	0 / 0	10
	6760	P559E Gerald and Path dp sortings *3000	0 / 0	10
	6759	P560A Currency System in Geraldion implementation sortings *1000	0 / 0	3
	6758	P560B Gerald is into Art constructive algorithms implementation *1200	0 / 0	4
	6757	P566A Matching Names dfs and similar strings trees *2300	0 / 0	8
	6756	P566B Replicating Processes constructive algorithms greedy *2600	0 / 0	10
	6755	P566C Logistical Questions dfs and similar divide and conquer trees *3000	0 / 0	10
	6754	P566D Restructuring Company data structures dsu *1900	0 / 0	6
	6753	P566E Restoring Map bitmasks constructive algorithms trees *3200	0 / 0	10
	6752	P566F Clique in the Divisibility Graph dp math number theory *1500	0 / 0	5
	6751	P566G Max and Min geometry *2500	0 / 0	9
	6750	P567A Lineland Mail greedy implementation *900	0 / 0	3
	6749	P567B Berland National Library implementation *1300	0 / 0	4

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