Problem Set - math - SAST OJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	613	P1788D Moving Dots binary search brute force combinatorics math two pointers *2000	0 / 0	7
	610	P1789A Serval and Mocha's Array brute force math number theory *800	0 / 0	3
	608	P1789C Serval and Toxel's Arrays combinatorics dp implementation math *1500	0 / 0	5
	606	P1789E Serval and Music Game brute force dp implementation math number theory *2500	0 / 0	9
	604	P1790A Polycarp and the Day of Pi implementation math strings *800	0 / 0	3
	603	P1790B Taisia and Dice greedy greedy math *800	0 / 0	3
	602	P1790C Premutation brute force implementation math *1000	0 / 0	3
	599	P1790F Timofey and Black-White Tree brute force dfs and similar divide and conquer graphs greedy math shortest paths trees *2100	0 / 0	7
	588	P1792B Stand-up Comedian greedy math *1200	0 / 0	4
	587	P1792C Min Max Sort binary search brute force greedy math two pointers *1500	0 / 0	5
	586	P1792D Fixed Prefix Permutations binary search bitmasks data structures hashing math sortings *1700	0 / 0	5
	582	P1793A Yet Another Promotion greedy math *800	0 / 0	3
	581	P1793B Fedya and Array constructive algorithms math *1100	0 / 0	3
	579	P1793D Moscow Gorillas binary search dp greedy implementation math two pointers *1800	0 / 0	6
	575	P1794B Not Dividing constructive algorithms greedy math *900	0 / 0	3
	574	P1794C Scoring Subsequences binary search greedy math two pointers *1300	0 / 0	4
	573	P1794D Counting Factorizations combinatorics divide and conquer dp math number theory *1900	0 / 0	6
	568	P1795D Triangle Coloring combinatorics math *1600	0 / 0	5
	567	P1795E Explosions? binary search data structures dp greedy math *2200	0 / 0	8
	562	P1796C Maximum Set binary search math *1600	0 / 0	5
	559	P1796F Strange Triples brute force math number theory *2900	0 / 0	10
	554	P1797E Li Hua and Array brute force data structures dsu math number theory two pointers *2300	0 / 0	8
	550	P1798C Candy Store greedy math number theory *1700	0 / 0	5
	549	P1798D Shocking Arrangement constructive algorithms greedy math *1600	0 / 0	5
	547	P1798F Gifts from Grandfather Ahmed dp math number theory *2500	0 / 0	9
	546	P1799A Recent Actions data structures greedy implementation math *800	0 / 0	3
	545	P1799B Equalize by Divide brute force constructive algorithms greedy math *1200	0 / 0	4
	541	P1799E City Union constructive algorithms dfs and similar dsu geometry greedy implementation math *2300	0 / 0	8
	539	P1799G Count Voting combinatorics dp math *2600	0 / 0	10
	523	P1801F Another n-dimensional chocolate bar dp math meet-in-the-middle number theory *2700	0 / 0	10
	520	P1802B Settlement of Guinea Pigs greedy implementation math *1000	0 / 0	3
	519	P1804A Lame King greedy math *800	0 / 0	3
	517	P1804C Pull Your Luck brute force greedy math number theory *1500	0 / 0	5
	509	P1805C Place for a Selfie binary search data structures geometry math *1400	0 / 0	4
	506	P1805F1 Survival of the Weakest (easy version) binary search brute force implementation math sortings *2600	0 / 0	10
	505	P1805F2 Survival of the Weakest (hard version) greedy math sortings two pointers *3100	0 / 0	10
	504	P1806A Walking Master geometry greedy math *800	0 / 0	3
	502	P1806C Sequence Master brute force constructive algorithms math *1600	0 / 0	5
	501	P1806D DSU Master combinatorics dp dsu math *2500	0 / 0	9
	499	P1806F1 GCD Master (easy version) greedy math number theory sortings *2900	0 / 0	10
	498	P1806F2 GCD Master (hard version) greedy math sortings *2900	0 / 0	10
	488	P1808B Playing in a Casino math sortings *1200	0 / 0	4
	483	P1808E3 Minibuses on Venus (hard version) brute force combinatorics dp math *2800	0 / 0	10
	481	P1809B Points on Plane binary search greedy math *1000	0 / 0	3
	480	P1809C Sum on Subarrays constructive algorithms greedy math *1500	0 / 0	5
	478	P1809E Two Tanks binary search dp implementation math *2400	0 / 0	9
	476	P1809G Prediction combinatorics dp math *2800	0 / 0	10
	474	P1810B Candies constructive algorithms math number theory *800	0 / 0	3
	472	P1810D Climbing the Tree binary search math *1700	0 / 0	5
	470	P1810F M-tree data structures math sortings trees *2800	0 / 0	10
	468	P1810H Last Number combinatorics math *2900	0 / 0	10
	467	P1811A Insert Digit greedy math strings *800	0 / 0	3
	466	P1811B Conveyor Belts implementation math *1000	0 / 0	3
	464	P1811D Umka and a Long Flight constructive algorithms implementation math *1600	0 / 0	5
	463	P1811E Living Sequence binary search dp math number theory *1500	0 / 0	5
	461	P1811G1 Vlad and the Nice Paths (easy version) combinatorics dp math *2100	0 / 0	7
	460	P1811G2 Vlad and the Nice Paths (hard version) binary search combinatorics data structures dp math two pointers *2200	0 / 0	8
	456	P1812D Trivial Conjecture *special problem constructive algorithms math number theory	0 / 0	(None)
	455	P1812E Not a Geometry Problem special problem special problem constructive algorithms geometry math	0 / 0	(None)
	449	P1814A Coins implementation math *800	0 / 0	3
	448	P1814B Long Legs brute force math *1700	0 / 0	5
	446	P1814D Balancing Weapons binary search brute force data structures math two pointers *2500	0 / 0	9
	443	P1815A Ian and Array Sorting greedy math *1300	0 / 0	4
	440	P1815D XOR Counting bitmasks combinatorics dp math *2600	0 / 0	10
	439	P1815E Bosco and Particle dp math number theory strings *3100	0 / 0	10
	438	P1815F OH NO1 (-2-3-4) constructive algorithms graphs math *3500	0 / 0	10
	433	P1817C Similar Polynomials combinatorics math *2400	0 / 0	9
	425	P1819C The Fox and the Complete Tree Traversal constructive algorithms dp implementation math trees *2400	0 / 0	9
	423	P1819E Roads in E City interactive math probabilities trees *3200	0 / 0	10
	420	P1820B JoJo's Incredible Adventures math strings two pointers *1100	0 / 0	3
	419	P1821A Matching combinatorics math *800	0 / 0	3
	417	P1821C Tear It Apart brute force implementation math strings *1300	0 / 0	4
	416	P1821D Black Cells binary search brute force greedy math *1900	0 / 0	6
	414	P1821F Timber combinatorics dp fft math *2600	0 / 0	10
	412	P1822B Karina and Array greedy math sortings *800	0 / 0	3
	411	P1822C Bun Lover math *800	0 / 0	3
	410	P1822D Super-Permutation constructive algorithms math *1200	0 / 0	4
	409	P1822E Making Anti-Palindromes greedy math strings *1600	0 / 0	5
	407	P1822G1 Magic Triples (Easy Version) brute force data structures math number theory *1700	0 / 0	5
	406	P1822G2 Magic Triples (Hard Version) brute force data structures math number theory *2200	0 / 0	8
	405	P1823A A-characteristic combinatorics constructive algorithms math *800	0 / 0	3
	404	P1823B Sort with Step brute force math sortings *900	0 / 0	3
	403	P1823C Strongly Composite greedy math number theory *1300	0 / 0	4
	402	P1823D Unique Palindromes constructive algorithms math strings *1900	0 / 0	6
	401	P1823E Removing Graph brute force dp games graphs math *2500	0 / 0	9
	400	P1823F Random Walk dp graphs math probabilities trees *2600	0 / 0	10
	398	P1824B1 LuoTianyi and the Floating Islands (Easy Version) combinatorics math probabilities trees *1800	0 / 0	6
	397	P1824B2 LuoTianyi and the Floating Islands (Hard Version) combinatorics dfs and similar math probabilities trees *2300	0 / 0	8
	392	P1825B LuoTianyi and the Table greedy math *1000	0 / 0	3
	390	P1826B Lunatic Never Content math number theory *1100	0 / 0	3
	389	P1826C Dreaming of Freedom greedy math number theory *1300	0 / 0	4
	386	P1826F Fading into Fog geometry interactive math probabilities *2800	0 / 0	10
	385	P1827A Counting Orders combinatorics math sortings two pointers *1100	0 / 0	3
	378	P1828A Divisible Array constructive algorithms math *800	0 / 0	3
	377	P1828B Permutation Swap math number theory *900	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
	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

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