Problem Set - SAST OJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	7148	P464A No to Palindromes! greedy strings *1700	0 / 0	5
	7147	P464B Restore Cube brute force geometry *2000	0 / 0	7
	7146	P464C Substitutes in Number dp *2100	0 / 0	7
	7145	P464D World of Darkraft - 2 dp probabilities *2700	0 / 0	10
	7144	P464E The Classic Problem data structures graphs shortest paths *3000	0 / 0	10
	7143	P465A inc ARG implementation *900	0 / 0	3
	7142	P465B Inbox (100500) implementation *1000	0 / 0	3
	7141	P466A Cheap Travel implementation *1200	0 / 0	4
	7140	P466B Wonder Room brute force math *2000	0 / 0	7
	7139	P466C Number of Ways binary search brute force data structures dp two pointers *1700	0 / 0	5
	7138	P466D Increase Sequence combinatorics dp *2100	0 / 0	7
	7137	P466E Information Graph dfs and similar dsu graphs trees *2100	0 / 0	7
	7136	P467A George and Accommodation implementation *800	0 / 0	3
	7135	P467B Fedor and New Game bitmasks brute force constructive algorithms implementation *1100	0 / 0	3
	7134	P467C George and Job dp implementation *1700	0 / 0	5
	7133	P467D Fedor and Essay dfs and similar dp graphs hashing strings *2400	0 / 0	9
	7132	P467E Alex and Complicated Task data structures dp greedy *2300	0 / 0	8
	7131	P468A 24 Game constructive algorithms greedy math *1500	0 / 0	5
	7130	P468B Two Sets 2-sat dfs and similar dsu graph matchings greedy *2000	0 / 0	7
	7129	P468C Hack it! binary search constructive algorithms math *2500	0 / 0	9
	7128	P468D Tree graph matchings *3100	0 / 0	10
	7127	P468E Permanent dp graph matchings math meet-in-the-middle *3100	0 / 0	10
	7126	P469A I Wanna Be the Guy greedy implementation *800	0 / 0	3
	7125	P469B Chat Online implementation *1300	0 / 0	4
	7124	P470A Crystal Ball Sequence special problem implementation 1400	0 / 0	4
	7123	P470B Hexakosioihexekontahexaphobia special problem 1800	0 / 0	6
	7122	P470C Eval special problem 1900	0 / 0	6
	7121	P470D Caesar Cipher special problem 1900	0 / 0	6
	7120	P470E Chessboard special problem 1900	0 / 0	6
	7119	P470F Pairwise Sums special problem 2300	0 / 0	8
	7118	P470G Hamming Distance special problem 2300	0 / 0	8
	7117	P470H Array Sorting special problem 2300	0 / 0	8
	7116	P471A MUH and Sticks implementation *1100	0 / 0	3
	7115	P471B MUH and Important Things implementation sortings *1300	0 / 0	4
	7114	P471C MUH and House of Cards binary search brute force greedy math *1700	0 / 0	5
	7113	P471D MUH and Cube Walls string suffix structures strings *1800	0 / 0	6
	7112	P471E MUH and Lots and Lots of Segments data structures dsu *2700	0 / 0	10
	7111	P472A Design Tutorial: Learn from Math math number theory *800	0 / 0	3
	7110	P472B Design Tutorial: Learn from Life *1300	0 / 0	4
	7109	P472C Design Tutorial: Make It Nondeterministic greedy *1400	0 / 0	4
	7108	P472D Design Tutorial: Inverse the Problem dfs and similar dsu shortest paths trees *1900	0 / 0	6
	7107	P472E Design Tutorial: Learn from a Game constructive algorithms implementation *2800	0 / 0	10
	7106	P472F Design Tutorial: Change the Goal constructive algorithms math matrices *2700	0 / 0	10
	7105	P472G Design Tutorial: Increase the Constraints bitmasks data structures fft *2800	0 / 0	10
	7104	P474A Keyboard implementation *900	0 / 0	3
	7103	P474B Worms binary search implementation *1200	0 / 0	4
	7102	P474C Captain Marmot brute force geometry *2000	0 / 0	7
	7101	P474D Flowers dp *1700	0 / 0	5
	7100	P474E Pillars binary search data structures dp sortings trees *2000	0 / 0	7
	7099	P474F Ant colony data structures math number theory *2100	0 / 0	7
	7098	P475A Bayan Bus implementation *1100	0 / 0	3
	7097	P475B Strongly Connected City brute force dfs and similar graphs implementation *1400	0 / 0	4
	7096	P475C Kamal-ol-molk's Painting brute force constructive algorithms greedy *2100	0 / 0	7
	7095	P475D CGCDSSQ brute force data structures math *2000	0 / 0	7
	7094	P475E Strongly Connected City 2 dfs and similar *2700	0 / 0	10
	7093	P475F Meta-universe data structures *2900	0 / 0	10
	7092	P476A Dreamoon and Stairs implementation math *1000	0 / 0	3
	7091	P476B Dreamoon and WiFi bitmasks brute force combinatorics dp math probabilities *1300	0 / 0	4
	7090	P476C Dreamoon and Sums math *1600	0 / 0	5
	7089	P476D Dreamoon and Sets constructive algorithms greedy math *1900	0 / 0	6
	7088	P476E Dreamoon and Strings dp strings *2200	0 / 0	8
	7087	P477D Dreamoon and Binary dp strings *2700	0 / 0	10
	7086	P477E Dreamoon and Notepad data structures *3100	0 / 0	10
	7085	P478A Initial Bet implementation *1100	0 / 0	3
	7084	P478B Random Teams combinatorics constructive algorithms greedy math *1300	0 / 0	4
	7083	P478C Table Decorations greedy *1800	0 / 0	6
	7082	P478D Red-Green Towers dp *2000	0 / 0	7
	7081	P478E Wavy numbers brute force dfs and similar meet-in-the-middle sortings *2900	0 / 0	10
	7080	P479A Expression brute force math *1000	0 / 0	3
	7079	P479B Towers brute force constructive algorithms greedy implementation sortings *1400	0 / 0	4
	7078	P479C Exams greedy sortings *1400	0 / 0	4
	7077	P479D Long Jumps binary search greedy implementation *1700	0 / 0	5
	7076	P479E Riding in a Lift combinatorics dp *1900	0 / 0	6
	7075	P480D Parcels dp graphs *2600	0 / 0	10
	7074	P480E Parking Lot data structures divide and conquer *2800	0 / 0	10
	7073	P482A Diverse Permutation constructive algorithms greedy *1200	0 / 0	4
	7072	P482B Interesting Array constructive algorithms data structures trees *1800	0 / 0	6
	7071	P482C Game with Strings bitmasks dp probabilities *2600	0 / 0	10
	7070	P482D Random Function and Tree combinatorics dp trees *2700	0 / 0	10
	7069	P482E ELCA data structures trees *3200	0 / 0	10
	7068	P483A Counterexample brute force implementation math number theory *1100	0 / 0	3
	7067	P483B Friends and Presents binary search math *1800	0 / 0	6
	7066	P484A Bits bitmasks constructive algorithms *1700	0 / 0	5
	7065	P484B Maximum Value binary search math sortings two pointers *2100	0 / 0	7
	7064	P484C Strange Sorting implementation math *2600	0 / 0	10
	7063	P484D Kindergarten data structures dp greedy *2400	0 / 0	9
	7062	P484E Sign on Fence binary search constructive algorithms data structures *2500	0 / 0	9
	7061	P485A Factory implementation math matrices *1400	0 / 0	4
	7060	P485B Valuable Resources brute force greedy *1300	0 / 0	4
	7059	P486A Calculating Function implementation math *800	0 / 0	3
	7058	P486B OR in Matrix greedy hashing implementation *1300	0 / 0	4
	7057	P486C Palindrome Transformation brute force greedy implementation *1700	0 / 0	5
	7056	P486D Valid Sets dfs and similar dp math trees *2100	0 / 0	7
	7055	P486E LIS of Sequence data structures dp greedy hashing math *2200	0 / 0	8
	7054	P487A Fight the Monster binary search brute force implementation *1800	0 / 0	6
	7053	P487B Strip binary search data structures dp two pointers *2000	0 / 0	7
	7052	P487C Prefix Product Sequence constructive algorithms math number theory *2300	0 / 0	8
	7051	P487D Conveyor Belts data structures *2700	0 / 0	10
	7050	P487E Tourists data structures dfs and similar graphs trees *3200	0 / 0	10
	7049	P488A Giga Tower brute force *1100	0 / 0	3

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