Problem Set - SAST OJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	1156	codeforces#P1695E Ambiguous Dominoes constructive algorithms dfs and similar graphs *2700	0 / 0	10
	1155	codeforces#P1696A NIT orz! bitmasks greedy *800	0 / 0	3
	1154	codeforces#P1696B NIT Destroys the Universe greedy *900	0 / 0	3
	1153	codeforces#P1696C Fishingprince Plays With Array constructive algorithms greedy implementation math *1400	0 / 0	4
	1152	codeforces#P1696D Permutation Graph binary search constructive algorithms data structures divide and conquer greedy shortest paths *1900	0 / 0	6
	1151	codeforces#P1696E Placing Jinas combinatorics math *2000	0 / 0	7
	1150	codeforces#P1696F Tree Recovery brute force constructive algorithms dfs and similar dsu graphs trees *2600	0 / 0	10
	1149	codeforces#P1696G Fishingprince Plays With Array Again brute force data structures geometry math *3300	0 / 0	10
	1148	codeforces#P1696H Maximum Product? brute force combinatorics dp greedy implementation math two pointers *3500	0 / 0	10
	1147	codeforces#P1697A Parkway Walk greedy implementation *800	0 / 0	3
	1146	codeforces#P1697B Promo greedy sortings *900	0 / 0	3
	1145	codeforces#P1697C awoo's Favorite Problem binary search constructive algorithms data structures greedy implementation strings two pointers *1400	0 / 0	4
	1144	codeforces#P1697D Guess The String binary search constructive algorithms interactive *1900	0 / 0	6
	1143	codeforces#P1697E Coloring brute force combinatorics constructive algorithms dp geometry graphs greedy implementation math *2400	0 / 0	9
	1142	codeforces#P1697F Too Many Constraints 2-sat constructive algorithms graphs implementation *2800	0 / 0	10
	1141	codeforces#P1698A XOR Mixup bitmasks brute force *800	0 / 0	3
	1140	codeforces#P1698B Rising Sand constructive algorithms greedy implementation *800	0 / 0	3
	1139	codeforces#P1698C 3SUM Closure brute force data structures *1300	0 / 0	4
	1138	codeforces#P1698D Fixed Point Guessing binary search constructive algorithms interactive *1600	0 / 0	5
	1137	codeforces#P1698E PermutationForces II brute force combinatorics greedy sortings trees two pointers *2300	0 / 0	8
	1136	codeforces#P1698F Equal Reversal constructive algorithms graphs implementation math *2800	0 / 0	10
	1135	codeforces#P1698G Long Binary String bitmasks math matrices meet-in-the-middle number theory *2900	0 / 0	10
	1134	codeforces#P1699A The Third Three Number Problem constructive algorithms math *800	0 / 0	3
	1133	codeforces#P1699B Almost Ternary Matrix bitmasks constructive algorithms matrices *900	0 / 0	3
	1132	codeforces#P1699C The Third Problem combinatorics constructive algorithms math *1700	0 / 0	5
	1131	codeforces#P1699D Almost Triple Deletions data structures dp greedy *2300	0 / 0	8
	1130	codeforces#P1699E Three Days Grace data structures dp greedy math number theory two pointers *2600	0 / 0	10
	1129	codeforces#P1700A Optimal Path constructive algorithms greedy math *800	0 / 0	3
	1128	codeforces#P1700B Palindromic Numbers constructive algorithms implementation math *1100	0 / 0	3
	1127	codeforces#P1700C Helping the Nature constructive algorithms data structures greedy *1700	0 / 0	5
	1126	codeforces#P1700D River Locks binary search dp greedy math *1900	0 / 0	6
	1125	codeforces#P1700E Serega the Pirate brute force constructive algorithms *2600	0 / 0	10
	1124	codeforces#P1700F Puzzle constructive algorithms dp greedy *2600	0 / 0	10
	1123	codeforces#P1701A Grass Field implementation *800	0 / 0	3
	1122	codeforces#P1701B Permutation greedy *800	0 / 0	3
	1121	codeforces#P1701C Schedule Management binary search greedy implementation two pointers *1400	0 / 0	4
	1120	codeforces#P1701D Permutation Restoration binary search data structures greedy math sortings two pointers *1900	0 / 0	6
	1119	codeforces#P1701E Text Editor brute force dp greedy strings *2500	0 / 0	9
	1118	codeforces#P1701F Points combinatorics data structures implementation math matrices *2500	0 / 0	9
	1117	codeforces#P1702A Round Down the Price constructive algorithms *800	0 / 0	3
	1116	codeforces#P1702B Polycarp Writes a String from Memory greedy *800	0 / 0	3
	1115	codeforces#P1702C Train and Queries data structures greedy *1100	0 / 0	3
	1114	codeforces#P1702D Not a Cheap String greedy *1000	0 / 0	3
	1113	codeforces#P1702E Split Into Two Sets dfs and similar dsu graphs *1600	0 / 0	5
	1112	codeforces#P1702F Equate Multisets constructive algorithms data structures greedy math number theory *1700	0 / 0	5
	1111	codeforces#P1702G1 Passable Paths (easy version) dfs and similar trees *1900	0 / 0	6
	1110	codeforces#P1702G2 Passable Paths (hard version) data structures dfs and similar trees *2000	0 / 0	7
	1109	codeforces#P1703A YES or YES? brute force implementation strings *800	0 / 0	3
	1108	codeforces#P1703B ICPC Balloons data structures implementation *800	0 / 0	3
	1107	codeforces#P1703C Cypher brute force implementation strings *800	0 / 0	3
	1106	codeforces#P1703D Double Strings brute force data structures strings *1100	0 / 0	3
	1105	codeforces#P1703E Mirror Grid implementation *1200	0 / 0	4
	1104	codeforces#P1703F Yet Another Problem About Pairs Satisfying an Inequality binary search data structures dp greedy sortings *1300	0 / 0	4
	1103	codeforces#P1703G Good Key, Bad Key bitmasks brute force dp greedy math *1600	0 / 0	5
	1102	codeforces#P1704A Two 0-1 Sequences constructive algorithms greedy *800	0 / 0	3
	1101	codeforces#P1704B Luke is a Foodie brute force greedy implementation *1000	0 / 0	3
	1100	codeforces#P1704C Virus greedy implementation sortings *1200	0 / 0	4
	1099	codeforces#P1704D Magical Array constructive algorithms hashing implementation math *1900	0 / 0	6
	1098	codeforces#P1704E Count Seconds brute force constructive algorithms dp graphs implementation math *2200	0 / 0	8
	1097	codeforces#P1704F Colouring Game constructive algorithms dp games *2600	0 / 0	10
	1096	codeforces#P1704G Mio and Lucky Array constructive algorithms fft math strings *3500	0 / 0	10
	1095	codeforces#P1704H1 Game of AI (easy version) combinatorics constructive algorithms dp fft math *3200	0 / 0	10
	1094	codeforces#P1704H2 Game of AI (hard version) combinatorics fft math *3500	0 / 0	10
	1093	codeforces#P1705A Mark the Photographer greedy sortings *800	0 / 0	3
	1092	codeforces#P1705B Mark the Dust Sweeper constructive algorithms greedy implementation *900	0 / 0	3
	1091	codeforces#P1705C Mark and His Unfinished Essay brute force implementation *1400	0 / 0	4
	1090	codeforces#P1705D Mark and Lightbulbs combinatorics constructive algorithms greedy math sortings *1800	0 / 0	6
	1089	codeforces#P1705E Mark and Professor Koro binary search bitmasks brute force combinatorics data structures greedy *2300	0 / 0	8
	1088	codeforces#P1705F Mark and the Online Exam bitmasks constructive algorithms interactive probabilities *2900	0 / 0	10
	1087	codeforces#P1706A Another String Minimization Problem 2-sat constructive algorithms greedy string suffix structures strings *800	0 / 0	3
	1086	codeforces#P1706B Making Towers dp greedy math *1100	0 / 0	3
	1085	codeforces#P1706C Qpwoeirut And The City dp flows greedy implementation *1400	0 / 0	4
	1084	codeforces#P1706D1 Chopping Carrots (Easy Version) binary search brute force constructive algorithms greedy number theory *1700	0 / 0	5
	1083	codeforces#P1706D2 Chopping Carrots (Hard Version) brute force constructive algorithms data structures dp greedy math number theory two pointers *2400	0 / 0	9
	1082	codeforces#P1706E Qpwoeirut and Vertices binary search data structures dfs and similar divide and conquer dsu greedy trees *2300	0 / 0	8
	1081	codeforces#P1707A Doremy's IQ binary search constructive algorithms greedy implementation *1600	0 / 0	5
	1080	codeforces#P1707B Difference Array brute force data structures implementation sortings *1900	0 / 0	6
	1079	codeforces#P1707C DFS Trees dfs and similar dsu graphs greedy sortings trees *2400	0 / 0	9
	1078	codeforces#P1707D Partial Virtual Trees combinatorics dfs and similar dp math trees *3000	0 / 0	10
	1077	codeforces#P1707E Replace binary search data structures *3500	0 / 0	10
	1076	codeforces#P1707F Bugaboo bitmasks constructive algorithms dp number theory *3500	0 / 0	10
	1075	codeforces#P1708A Difference Operations greedy math *800	0 / 0	3
	1074	codeforces#P1708B Difference of GCDs constructive algorithms math *1100	0 / 0	3
	1073	codeforces#P1709A Three Doors brute force greedy implementation math *800	0 / 0	3
	1072	codeforces#P1709B Also Try Minecraft data structures dp implementation *900	0 / 0	3
	1071	codeforces#P1709C Recover an RBS constructive algorithms greedy implementation strings *1800	0 / 0	6
	1070	codeforces#P1709D Rorororobot binary search data structures greedy math *1700	0 / 0	5
	1069	codeforces#P1709E XOR Tree bitmasks data structures dfs and similar dsu greedy trees *2400	0 / 0	9
	1068	codeforces#P1709F Multiset of Strings bitmasks brute force dp fft flows graphs math meet-in-the-middle trees *2500	0 / 0	9
	1067	codeforces#P1710A Color the Picture constructive algorithms greedy math *1500	0 / 0	5
	1066	codeforces#P1710B Rain binary search brute force data structures geometry greedy implementation math *2100	0 / 0	7
	1065	codeforces#P1710C XOR Triangle bitmasks brute force constructive algorithms dp greedy math *2500	0 / 0	9
	1064	codeforces#P1710D Recover the Tree constructive algorithms trees *3400	0 / 0	10
	1063	codeforces#P1710E Two Arrays binary search games graph matchings *2400	0 / 0	9
	1062	codeforces#P1711A Perfect Permutation constructive algorithms *800	0 / 0	3
	1061	codeforces#P1711B Party brute force graphs *1300	0 / 0	4
	1060	codeforces#P1712A Wonderful Permutation greedy implementation *800	0 / 0	3
	1059	codeforces#P1712B Woeful Permutation constructive algorithms greedy number theory *800	0 / 0	3
	1058	codeforces#P1712C Sort Zero greedy sortings *1100	0 / 0	3
	1057	codeforces#P1712D Empty Graph binary search constructive algorithms data structures greedy shortest paths *2000	0 / 0	7

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