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Problemset

3,464 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
1719A	Chip Game games math	800	26.9k
1719B	Mathematical Circus constructive algorithms math	800	19.2k
1718B	Fibonacci Strings greedy implementation math number theory	2000	3.5k
1718C	Tonya and Burenka-179 data structures greedy math number theory	2400	1.9k
1718D	Permutation for Burenka data structures graph matchings greedy math trees	3300	449
1718E	Impressionism constructive algorithms graphs implementation math	3500	228
1718F	Burenka, an Array and Queries data structures math number theory	3300	244
1717A	Madoka and Strange Thoughts math number theory	800	21.1k
1717D	Madoka and The Corruption Scheme combinatorics constructive algorithms greedy math	1900	4.9k
1717E	Madoka and The Best University math number theory	2200	3.6k
1716A	2-3 Moves greedy math	800	36.3k
1716B	Permutation Chain constructive algorithms math	800	22.1k
1716D	Chip Move brute force dp math	2000	6.3k
1716F	Bags with Balls combinatorics dp math number theory	2500	1.5k
1715A	Crossmarket constructive algorithms greedy math	800	24.4k
1715B	Beautiful Array constructive algorithms greedy math	1000	35.7k
1715C	Monoblock combinatorics data structures implementation math	1700	10.6k
1715F	Crop Squares constructive algorithms geometry interactive math	2700	603
1714A	Everyone Loves to Sleep implementation math	900	33.5k
1714E	Add Modulo 10 brute force math number theory	1400	24.7k
1713C	Build Permutation constructive algorithms dp math	1200	19k
1713F	Lost Array bitmasks combinatorics constructive algorithms dp math	2900	771
1712E1	LCM Sum (easy version) binary search brute force combinatorics math number theory two pointers	2300	2.5k
1712E2	LCM Sum (hard version) brute force data structures math number theory two pointers	2500	1.7k
1710A	Color the Picture constructive algorithms greedy math	1500	12k
1710B	Rain binary search brute force data structures geometry greedy implementation math	2100	2.8k
1710C	XOR Triangle bitmasks brute force constructive algorithms dp greedy math	2500	1.7k
1709A	Three Doors brute force greedy implementation math	800	31.8k
1709D	Rorororobot binary search data structures greedy math	1700	10.6k
1709F	Multiset of Strings bitmasks brute force dp fft flows graphs math meet-in-the-middle trees	2500	729
1708A	Difference Operations greedy math	800	22.7k
1708B	Difference of GCDs constructive algorithms math	1100	29.9k
1707D	Partial Virtual Trees combinatorics dfs and similar dp math trees	3000	1k
1706B	Making Towers dp greedy math	1100	17.6k
1706D2	Chopping Carrots (Hard Version) brute force constructive algorithms data structures dp greedy math number theory two pointers	2400	2k
1705D	Mark and Lightbulbs combinatorics constructive algorithms greedy math sortings	1800	7.2k
1704D	Magical Array constructive algorithms hashing implementation math	1900	5.4k
1704E	Count Seconds brute force constructive algorithms dp graphs implementation math	2200	2.7k
1704G	Mio and Lucky Array constructive algorithms fft math strings	3500	168
1704H1	Game of AI (easy version) combinatorics constructive algorithms dp fft math	3200	346
1704H2	Game of AI (hard version) combinatorics fft math	3500	119
1703G	Good Key, Bad Key bitmasks brute force dp greedy math	1600	13k
1702F	Equate Multisets constructive algorithms data structures greedy math number theory	1700	9.6k
1701D	Permutation Restoration binary search data structures greedy math sortings two pointers	1900	6.3k
1701F	Points combinatorics data structures implementation math matrices	2500	1.2k
1700A	Optimal Path constructive algorithms greedy math	800	23.7k
1700B	Palindromic Numbers constructive algorithms implementation math	1100	20.1k
1700D	River Locks binary search dp greedy math	1900	7.1k
1699A	The Third Three Number Problem constructive algorithms math	800	24.9k
1699C	The Third Problem combinatorics constructive algorithms math	1700	10.8k
1699E	Three Days Grace data structures dp greedy math number theory two pointers	2600	1.4k
1698F	Equal Reversal constructive algorithms graphs implementation math	2800	782
1698G	Long Binary String bitmasks math matrices meet-in-the-middle number theory	2900	397
1697E	Coloring brute force combinatorics constructive algorithms dp geometry graphs greedy implementation math	2400	1.5k
1696C	Fishingprince Plays With Array constructive algorithms greedy implementation math	1400	12.7k
1696E	Placing Jinas combinatorics math	2000	5k
1696G	Fishingprince Plays With Array Again brute force data structures geometry math	3300	430
1696H	Maximum Product? brute force combinatorics dp greedy implementation math two pointers	3500	215
1692F	3SUM brute force math	1300	27.9k
1692H	Gambling data structures dp greedy math	1700	10k
1691A	Beat The Odds brute force greedy math	800	32.4k
1691C	Sum of Substrings brute force constructive algorithms greedy math strings	1400	17.4k
1691F	K-Set Tree combinatorics dfs and similar dp math trees	2500	1.2k
1690E	Price Maximization binary search greedy math two pointers	1500	17.2k
1690F	Shifting String graphs math number theory strings	1700	9.2k
1687D	Cute number binary search brute force data structures dsu implementation math	2900	776
1687E	Become Big For Me combinatorics constructive algorithms greedy math number theory	3500	324
1687F	Koishi's Unconscious Permutation fft math	3500	113
1684A	Digit Minimization constructive algorithms games math strings	800	25k
1684B	Z mod X = C constructive algorithms math	800	21.9k
1684G	Euclid Guess constructive algorithms flows graph matchings math number theory	2800	818
1684H	Hard Cut constructive algorithms dfs and similar divide and conquer math	3400	305
1682C	LIS or Reverse LIS? constructive algorithms greedy implementation math	1400	16.6k
1682E	Unordered Swaps constructive algorithms dfs and similar graphs greedy math sortings trees	2700	777
1681B	Card Trick implementation math	800	21.1k
1680A	Minimums and Maximums brute force math	800	22.4k
1680D	Dog Walking brute force greedy math	2400	1.4k
1679A	AvtoBus brute force greedy math number theory	900	43k
1679F	Formalism for Formalism bitmasks dp math	2600	813
1677B	Tokitsukaze and Meeting data structures implementation math	1700	4.6k
1677D	Tokitsukaze and Permutations dp math	2500	1.5k
1677F	Tokitsukaze and Gems dp math	3500	173
1676B	Equal Candies greedy math sortings	800	62.1k
1676C	Most Similar Words brute force greedy implementation math strings	800	35.4k
1675A	Food for Animals greedy math	800	37.1k
1674A	Number Transformation constructive algorithms math	800	28.1k
1674B	Dictionary combinatorics math	800	29.8k
1674E	Breaking the Wall binary search brute force constructive algorithms greedy math	2000	7.8k
1673C	Palindrome Basis brute force dp math number theory	1500	19k
1673D	Lost Arithmetic Progression combinatorics math number theory	1900	3.6k
1673E	Power or XOR? bitmasks combinatorics math number theory	2500	851
1673F	Anti-Theft Road Planning bitmasks constructive algorithms divide and conquer greedy interactive math	2400	980
1672A	Log Chopping games implementation math	800	16.9k
1672G	Cross Xor constructive algorithms graphs math matrices	3200	677
1671B	Consecutive Points Segment brute force math sortings	1000	19.8k
1671C	Dolce Vita binary search brute force greedy math	1200	27k
1671F	Permutation Counting brute force combinatorics dp fft math	2700	514
1670C	Where is the Pizza? data structures dfs and similar dsu graphs implementation math	1400	11.1k
1670D	Very Suspicious binary search brute force geometry greedy implementation math	1700	5.7k
1669C	Odd/Even Increments greedy implementation math	800	42.3k

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