Problem Set - math - SAST OJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	364	P1830E Bully Sort data structures math *3500	0 / 0	10
	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
	351	P1833C Vlad Building Beautiful Array greedy math *800	0 / 0	3
	348	P1833F Ira and Flamenco combinatorics constructive algorithms data structures implementation math sortings two pointers *1700	0 / 0	5
	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
	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
	333	P1836B Astrophysicists greedy math *1100	0 / 0	3
	332	P1837A Grasshopper on a Line constructive algorithms math *800	0 / 0	3
	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
	322	P1838E Count Supersequences combinatorics dp math *2500	0 / 0	9
	320	P1839A The Good Array greedy implementation math *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
	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
	305	P1841C Ranom Numbers brute force dp greedy math strings *1800	0 / 0	6
	303	P1841E Fill the Matrix data structures greedy math *2200	0 / 0	8
	301	P1842A Tenzing and Tsondu games math *800	0 / 0	3
	300	P1842B Tenzing and Books bitmasks greedy math *1100	0 / 0	3
	297	P1842E Tenzing and Triangle data structures dp geometry greedy math *2300	0 / 0	8
	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
	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
	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
	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
	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
	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
	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
	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
	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
	236	P1851A Escalator Conversations brute force constructive algorithms math *800	0 / 0	3
	233	P1851D Prefix Permutation Sums implementation math *1300	0 / 0	4
	231	P1851F Lisa and the Martians bitmasks greedy math strings trees *1800	0 / 0	6
	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
	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
	218	P1854C Expected Destruction combinatorics dp math probabilities *2500	0 / 0	9
	216	P1854E Game Bundles brute force constructive algorithms dp greedy math *3000	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
	211	P1856B Good Arrays implementation math *900	0 / 0	3
	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
	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
	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
	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
	189	P1859E Maximum Monogonosity brute force dp math *2500	0 / 0	9
	186	P1860B Fancy Coins binary search brute force greedy math *1200	0 / 0	4
	182	P1860F Evaluate RBS data structures geometry implementation math sortings *2900	0 / 0	10
	181	P1861A Prime Deletion constructive algorithms math *800	0 / 0	3
	177	P1861E Non-Intersecting Subpermutations combinatorics dp implementation math *2300	0 / 0	8
	172	P1862D Ice Cream Balls binary search combinatorics constructive algorithms math *1300	0 / 0	4
	169	P1862G The Great Equalizer binary search data structures math sortings *2000	0 / 0	7

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