Problem Set - SAST OJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	384	P1827B1 Range Sorting (Easy Version) binary search dp dsu greedy trees two pointers *2000	0 / 0	7
	383	P1827B2 Range Sorting (Hard Version) binary search data structures dp greedy *2400	0 / 0	9
	382	P1827C Palindrome Partition binary search brute force data structures dp hashing strings *2600	0 / 0	10
	381	P1827D Two Centroids data structures dfs and similar greedy trees *2800	0 / 0	10
	380	P1827E Bus Routes binary search constructive algorithms dfs and similar greedy trees *3400	0 / 0	10
	379	P1827F Copium Permutation constructive algorithms data structures greedy *3500	0 / 0	10
	378	P1828A Divisible Array constructive algorithms math *800	0 / 0	3
	377	P1828B Permutation Swap math number theory *900	0 / 0	3
	376	P1829A Love Story implementation strings *800	0 / 0	3
	375	P1829B Blank Space implementation *800	0 / 0	3
	374	P1829C Mr bitmasks greedy implementation *800	0 / 0	3
	373	P1829D Gold Rush brute force dfs and similar dp implementation *1000	0 / 0	3
	372	P1829E The Lakes dfs and similar dsu graphs implementation *1100	0 / 0	3
	371	P1829F Forever Winter dfs and similar graphs math *1300	0 / 0	4
	370	P1829G Hits Different data structures dp implementation math *1600	0 / 0	5
	369	P1829H Don't Blame Me bitmasks combinatorics dp math *1700	0 / 0	5
	368	P1830A Copil Copac Draws Trees dfs and similar dp graphs trees *1400	0 / 0	4
	367	P1830B The BOSS Can Count Pairs brute force math *2000	0 / 0	7
	366	P1830C Hyperregular Bracket Strings combinatorics greedy hashing math number theory sortings *2400	0 / 0	9
	365	P1830D Mex Tree brute force dp trees *2800	0 / 0	10
	364	P1830E Bully Sort data structures math *3500	0 / 0	10
	363	P1830F The Third Grace data structures dp *3200	0 / 0	10
	362	P1831A Twin Permutations constructive algorithms *800	0 / 0	3
	361	P1831B Array merging constructive algorithms greedy *1000	0 / 0	3
	360	P1832A New Palindrome strings *800	0 / 0	3
	359	P1832B Maximum Sum brute force sortings two pointers *1100	0 / 0	3
	358	P1832C Contrast Value greedy implementation *1200	0 / 0	4
	357	P1832D1 Red-Blue Operations (Easy Version) binary search greedy implementation math *2100	0 / 0	7
	356	P1832D2 Red-Blue Operations (Hard Version) binary search constructive algorithms greedy implementation math *2400	0 / 0	9
	355	P1832E Combinatorics Problem brute force combinatorics dp *2200	0 / 0	8
	354	P1832F Zombies binary search dp *3200	0 / 0	10
	353	P1833A Musical Puzzle implementation strings *800	0 / 0	3
	352	P1833B Restore the Weather greedy sortings *900	0 / 0	3
	351	P1833C Vlad Building Beautiful Array greedy math *800	0 / 0	3
	350	P1833D Flipper brute force constructive algorithms greedy *1400	0 / 0	4
	349	P1833E Round Dance dfs and similar dsu graphs shortest paths *1600	0 / 0	5
	348	P1833F Ira and Flamenco combinatorics constructive algorithms data structures implementation math sortings two pointers *1700	0 / 0	5
	347	P1833G Ksyusha and Chinchilla constructive algorithms dfs and similar dp dsu greedy implementation trees *1800	0 / 0	6
	346	P1834A Unit Array greedy math *800	0 / 0	3
	345	P1834B Maximum Strength greedy math *1000	0 / 0	3
	344	P1834C Game with Reversing games greedy math strings *1200	0 / 0	4
	343	P1834D Survey in Class brute force data structures greedy implementation sortings *1900	0 / 0	6
	342	P1834E MEX of LCM binary search data structures implementation math number theory *2300	0 / 0	8
	341	P1834F Typewriter brute force math *2500	0 / 0	9
	340	P1835A k-th equality brute force implementation math *1700	0 / 0	5
	339	P1835B Lottery binary search brute force greedy math two pointers *2500	0 / 0	9
	338	P1835C Twin Clusters bitmasks brute force constructive algorithms math probabilities *2600	0 / 0	10
	337	P1835D Doctor's Brown Hypothesis dfs and similar graphs math number theory *2900	0 / 0	10
	336	P1835E Old Mobile combinatorics dp probabilities *3500	0 / 0	10
	335	P1835F Good Graph bitmasks dfs and similar graph matchings graphs implementation *3500	0 / 0	10
	334	P1836A Destroyer implementation sortings *800	0 / 0	3
	333	P1836B Astrophysicists greedy math *1100	0 / 0	3
	332	P1837A Grasshopper on a Line constructive algorithms math *800	0 / 0	3
	331	P1837B Comparison String greedy *900	0 / 0	3
	330	P1837C Best Binary String constructive algorithms greedy *1000	0 / 0	3
	329	P1837D Bracket Coloring constructive algorithms greedy *1400	0 / 0	4
	328	P1837E Playoff Fixing combinatorics trees *2200	0 / 0	8
	327	P1837F Editorial for Two binary search data structures greedy implementation *2400	0 / 0	9
	326	P1838A Blackboard List constructive algorithms math *800	0 / 0	3
	325	P1838B Minimize Permutation Subarrays constructive algorithms math *1100	0 / 0	3
	324	P1838C No Prime Differences constructive algorithms math number theory *1400	0 / 0	4
	323	P1838D Bracket Walk data structures greedy strings *2100	0 / 0	7
	322	P1838E Count Supersequences combinatorics dp math *2500	0 / 0	9
	321	P1838F Stuck Conveyor binary search constructive algorithms interactive *3000	0 / 0	10
	320	P1839A The Good Array greedy implementation math *800	0 / 0	3
	319	P1839B Lamps greedy sortings *1100	0 / 0	3
	318	P1839C Insert Zero and Invert Prefix constructive algorithms *1300	0 / 0	4
	317	P1839D Ball Sorting data structures dp sortings *2100	0 / 0	7
	316	P1839E Decreasing Game constructive algorithms dfs and similar dp greedy interactive *2400	0 / 0	9
	315	P1840A Cipher Shifer implementation strings two pointers *800	0 / 0	3
	314	P1840B Binary Cafe bitmasks combinatorics math *1100	0 / 0	3
	313	P1840C Ski Resort combinatorics math two pointers *1000	0 / 0	3
	312	P1840D Wooden Toy Festival binary search greedy sortings *1400	0 / 0	4
	311	P1840E Character Blocking data structures hashing implementation *1600	0 / 0	5
	310	P1840F Railguns brute force dfs and similar dp graphs *2200	0 / 0	8
	309	P1840G1 In Search of Truth (Easy Version) constructive algorithms interactive math meet-in-the-middle probabilities *2200	0 / 0	8
	308	P1840G2 In Search of Truth (Hard Version) constructive algorithms interactive math meet-in-the-middle probabilities *2500	0 / 0	9
	307	P1841A Game with Board constructive algorithms games *800	0 / 0	3
	306	P1841B Keep it Beautiful implementation *1000	0 / 0	3
	305	P1841C Ranom Numbers brute force dp greedy math strings *1800	0 / 0	6
	304	P1841D Pairs of Segments data structures greedy sortings two pointers *2000	0 / 0	7
	303	P1841E Fill the Matrix data structures greedy math *2200	0 / 0	8
	302	P1841F Monocarp and a Strategic Game geometry sortings two pointers *2700	0 / 0	10
	301	P1842A Tenzing and Tsondu games math *800	0 / 0	3
	300	P1842B Tenzing and Books bitmasks greedy math *1100	0 / 0	3
	299	P1842C Tenzing and Balls dp *1500	0 / 0	5
	298	P1842D Tenzing and His Animal Friends constructive algorithms graphs greedy *1900	0 / 0	6
	297	P1842E Tenzing and Triangle data structures dp geometry greedy math *2300	0 / 0	8
	296	P1842F Tenzing and Tree dfs and similar greedy shortest paths sortings trees *2500	0 / 0	9
	295	P1842G Tenzing and Random Operations combinatorics dp math probabilities *2800	0 / 0	10
	294	P1842H Tenzing and Random Real Numbers bitmasks dp graphs math probabilities *3000	0 / 0	10
	293	P1842I Tenzing and Necklace divide and conquer dp greedy *3500	0 / 0	10
	292	P1843A Sasha and Array Coloring greedy sortings two pointers *800	0 / 0	3
	291	P1843B Long Long greedy math two pointers *800	0 / 0	3
	290	P1843C Sum in Binary Tree bitmasks combinatorics math trees *800	0 / 0	3
	289	P1843D Apple Tree combinatorics dfs and similar dp math trees *1200	0 / 0	4
	288	P1843E Tracking Segments binary search brute force data structures two pointers *1600	0 / 0	5
	287	P1843F1 Omsk Metro (simple version) data structures dfs and similar dp graphs greedy math trees *1800	0 / 0	6
	286	P1843F2 Omsk Metro (hard version) data structures dfs and similar divide and conquer dp math trees *2300	0 / 0	8
	285	P1844A Subtraction Game constructive algorithms games *800	0 / 0	3

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