Problem Set - SAST OJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	284	P1844B Permutations & Primes constructive algorithms math *1000	0 / 0	3
	283	P1844C Particles dp greedy implementation math *1300	0 / 0	4
	282	P1844D Row Major constructive algorithms greedy math number theory strings *1400	0 / 0	4
	281	P1844E Great Grids 2-sat constructive algorithms dfs and similar dsu graphs *2400	0 / 0	9
	280	P1844F1 Min Cost Permutation (Easy Version) brute force constructive algorithms greedy math *2600	0 / 0	10
	279	P1844F2 Min Cost Permutation (Hard Version) binary search constructive algorithms data structures greedy math sortings *2800	0 / 0	10
	278	P1844G Tree Weights bitmasks constructive algorithms data structures dfs and similar implementation math matrices number theory trees *3000	0 / 0	10
	277	P1844H Multiple of Three Cycles combinatorics data structures dp dsu math *3400	0 / 0	10
	276	P1845A Forbidden Integer constructive algorithms implementation math number theory *800	0 / 0	3
	275	P1845B Come Together geometry implementation math *900	0 / 0	3
	274	P1845C Strong Password binary search dp greedy strings *1400	0 / 0	4
	273	P1845D Rating System binary search brute force data structures dp dsu greedy math two pointers *1800	0 / 0	6
	272	P1845E Boxes and Balls dp implementation math *2500	0 / 0	9
	271	P1845F Swimmers in the Pool dp fft math number theory *2800	0 / 0	10
	270	P1846A Rudolph and Cut the Rope implementation math *800	0 / 0	3
	269	P1846B Rudolph and Tic-Tac-Toe brute force implementation strings *800	0 / 0	3
	268	P1846C Rudolf and the Another Competition constructive algorithms data structures dp greedy sortings *1200	0 / 0	4
	267	P1846D Rudolph and Christmas Tree constructive algorithms geometry math *1200	0 / 0	4
	266	P1846E1 Rudolf and Snowflakes (simple version) brute force implementation math *1300	0 / 0	4
	265	P1846E2 Rudolf and Snowflakes (hard version) binary search brute force implementation math *1800	0 / 0	6
	264	P1846F Rudolph and Mimic constructive algorithms implementation interactive *1800	0 / 0	6
	263	P1846G Rudolf and CodeVid-23 bitmasks dp graphs greedy shortest paths *1900	0 / 0	6
	262	P1847A The Man who became a God greedy sortings *800	0 / 0	3
	261	P1847B Hamon Odyssey bitmasks greedy two pointers *1000	0 / 0	3
	260	P1847C Vampiric Powers, anyone? bitmasks brute force dp greedy *1400	0 / 0	4
	259	P1847D Professor Higashikata data structures dsu greedy implementation strings *1900	0 / 0	6
	258	P1847E Triangle Platinum? brute force combinatorics implementation interactive math probabilities *2900	0 / 0	10
	257	P1847F The Boss's Identity binary search bitmasks data structures dfs and similar greedy math sortings *2500	0 / 0	9
	256	P1848A Vika and Her Friends games math *900	0 / 0	3
	255	P1848B Vika and the Bridge binary search data structures greedy implementation math sortings *1200	0 / 0	4
	254	P1848C Vika and Price Tags math number theory *1800	0 / 0	6
	253	P1848D Vika and Bonuses binary search brute force math ternary search *2200	0 / 0	8
	252	P1848E Vika and Stone Skipping brute force implementation math number theory *2600	0 / 0	10
	251	P1848F Vika and Wiki binary search bitmasks combinatorics divide and conquer dp math *2400	0 / 0	9
	250	P1849A Morning Sandwich implementation math *800	0 / 0	3
	249	P1849B Monsters greedy math sortings *1000	0 / 0	3
	248	P1849C Binary String Copying binary search brute force data structures hashing strings *1600	0 / 0	5
	247	P1849D Array Painting constructive algorithms greedy two pointers *1700	0 / 0	5
	246	P1849E Max to the Right of Min binary search data structures divide and conquer dp dsu two pointers *2300	0 / 0	8
	245	P1849F XOR Partition binary search bitmasks data structures divide and conquer greedy trees *2700	0 / 0	10
	244	P1850A To My Critics implementation sortings *800	0 / 0	3
	243	P1850B Ten Words of Wisdom implementation sortings *800	0 / 0	3
	242	P1850C Word on the Paper implementation strings *800	0 / 0	3
	241	P1850D Balanced Round brute force greedy implementation sortings *900	0 / 0	3
	240	P1850E Cardboard for Pictures binary search geometry implementation math *1100	0 / 0	3
	239	P1850F We Were Both Children brute force implementation math number theory *1300	0 / 0	4
	238	P1850G The Morning Star combinatorics data structures geometry implementation math sortings *1500	0 / 0	5
	237	P1850H The Third Letter dfs and similar dsu graphs greedy implementation *1700	0 / 0	5
	236	P1851A Escalator Conversations brute force constructive algorithms math *800	0 / 0	3
	235	P1851B Parity Sort greedy sortings two pointers *800	0 / 0	3
	234	P1851C Tiles Comeback greedy *1000	0 / 0	3
	233	P1851D Prefix Permutation Sums implementation math *1300	0 / 0	4
	232	P1851E Nastya and Potions dfs and similar dp graphs sortings *1500	0 / 0	5
	231	P1851F Lisa and the Martians bitmasks greedy math strings trees *1800	0 / 0	6
	230	P1851G Vlad and the Mountains binary search data structures dsu graphs implementation sortings trees two pointers *2000	0 / 0	7
	229	P1852A Ntarsis' Set binary search math number theory *1800	0 / 0	6
	228	P1852B Imbalanced Arrays constructive algorithms graphs greedy math sortings two pointers *1800	0 / 0	6
	227	P1852C Ina of the Mountain data structures dp greedy math *2400	0 / 0	9
	226	P1852D Miriany and Matchstick constructive algorithms dp greedy *2800	0 / 0	10
	225	P1852E Rivalries constructive algorithms data structures greedy *3400	0 / 0	10
	224	P1852F Panda Meetups data structures dp flows *3500	0 / 0	10
	223	P1853A Desorting brute force greedy math *800	0 / 0	3
	222	P1853B Fibonaccharsis binary search brute force math *1200	0 / 0	4
	221	P1854A1 Dual (Easy Version) constructive algorithms math *1400	0 / 0	4
	220	P1854A2 Dual (Hard Version) constructive algorithms math *1900	0 / 0	6
	219	P1854B Earn or Unlock bitmasks brute force dp *2200	0 / 0	8
	218	P1854C Expected Destruction combinatorics dp math probabilities *2500	0 / 0	9
	217	P1854D Michael and Hotel binary search interactive trees *3000	0 / 0	10
	216	P1854E Game Bundles brute force constructive algorithms dp greedy math *3000	0 / 0	10
	215	P1854F Mark and Spaceship brute force dp *3500	0 / 0	10
	214	P1855A Dalton the Teacher greedy math *800	0 / 0	3
	213	P1855B Longest Divisors Interval brute force combinatorics greedy math number theory *900	0 / 0	3
	212	P1856A Tales of a Sort implementation *800	0 / 0	3
	211	P1856B Good Arrays implementation math *900	0 / 0	3
	210	P1856C To Become Max binary search brute force data structures dp *1600	0 / 0	5
	209	P1856D More Wrong divide and conquer interactive *2100	0 / 0	7
	208	P1856E1 PermuTree (easy version) dfs and similar dp trees *1800	0 / 0	6
	207	P1856E2 PermuTree (hard version) bitmasks dfs and similar dp fft greedy implementation math trees *2700	0 / 0	10
	206	P1857A Array Coloring greedy math *800	0 / 0	3
	205	P1857B Maximum Rounding greedy implementation math *1100	0 / 0	3
	204	P1857C Assembly via Minimums greedy sortings *1200	0 / 0	4
	203	P1857D Strong Vertices math sortings trees *1300	0 / 0	4
	202	P1857E Power of Points math sortings *1500	0 / 0	5
	201	P1857F Sum and Product binary search data structures math *1600	0 / 0	5
	200	P1857G Counting Graphs combinatorics divide and conquer dsu graphs greedy sortings trees *2000	0 / 0	7
	199	P1858A Buttons games greedy math *800	0 / 0	3
	198	P1858B The Walkway brute force dp greedy math number theory *1500	0 / 0	5
	197	P1858C Yet Another Permutation Problem constructive algorithms greedy math number theory *1000	0 / 0	3
	196	P1858D Trees and Segments brute force data structures dp greedy two pointers *2200	0 / 0	8
	195	P1858E1 Rollbacks (Easy Version) brute force data structures dfs and similar trees *2500	0 / 0	9
	194	P1858E2 Rollbacks (Hard Version) data structures interactive trees *2600	0 / 0	10
	193	P1859A United We Stand constructive algorithms math number theory *800	0 / 0	3
	192	P1859B Olya and Game with Arrays constructive algorithms greedy math sortings *1000	0 / 0	3
	191	P1859C Another Permutation Problem brute force dp greedy math *1200	0 / 0	4
	190	P1859D Andrey and Escape from Capygrad binary search data structures dp dsu greedy sortings *1800	0 / 0	6
	189	P1859E Maximum Monogonosity brute force dp math *2500	0 / 0	9
	188	P1859F Teleportation in Byteland data structures dfs and similar divide and conquer graphs shortest paths trees *3200	0 / 0	10
	187	P1860A Not a Substring constructive algorithms strings *900	0 / 0	3
	186	P1860B Fancy Coins binary search brute force greedy math *1200	0 / 0	4
	185	P1860C Game on Permutation data structures dp games greedy *1400	0 / 0	4

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