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Problemset

51 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2203F	Binary Search with One Swap binary search divide and conquer dp hashing math two pointers	2600	457
2201F2	Monotone Monochrome Matrices (Hard Version) constructive algorithms data structures hashing math	2800	461
2148A	Sublime Sequence brute force hashing math	800	49.6k
2135F	To the Infinity data structures hashing math trees	3500	381
2063F1	Counting Is Not Fun (Easy Version) combinatorics data structures dfs and similar dp dsu graphs hashing implementation math trees	2400	1.6k
2055F	Cosmic Divide brute force geometry hashing math strings	3200	90
2053G	Naive String Splits binary search brute force greedy hashing math number theory strings	3400	228
2034E	Permutations Harmony combinatorics constructive algorithms greedy hashing math	2200	2.1k
2020C	Bitwise Balancing bitmasks hashing implementation math schedules ternary search	1400	18.7k
1994H	Fortnite combinatorics constructive algorithms games greedy hashing interactive math number theory strings	3500	779
1986G2	Permutation Problem (Hard Version) brute force data structures hashing math number theory	2500	1.5k
1984D	''a'' String Problem brute force hashing implementation math string suffix structures strings	2000	4k
1980E	Permutation of Rows and Columns constructive algorithms data structures greedy hashing implementation math matrices sortings	1600	13.3k
1968G2	Division + LCP (hard version) binary search brute force data structures dp hashing math string suffix structures strings	2200	2.6k
1951E	No Palindromes brute force constructive algorithms divide and conquer greedy hashing implementation math strings	2000	4.6k
1943B	Non-Palindromic Substring hashing implementation math strings	2000	4.7k
1899D	Yarik and Musical Notes hashing math number theory	1300	15.9k
1895C	Torn Lucky Ticket brute force dp hashing implementation math	1400	13.3k
1830C	Hyperregular Bracket Strings combinatorics greedy hashing math number theory sortings	2400	2.3k
1792D	Fixed Prefix Permutations binary search bitmasks data structures hashing math sortings	1700	8.3k
1780G	Delicious Dessert binary search dsu hashing math number theory string suffix structures	2400	1k
1743G	Antifibonacci Cut bitmasks combinatorics constructive algorithms data structures dp hashing math	3000	381
1735D	Meta-set brute force combinatorics data structures hashing math	1700	7.1k
1731C	Even Subarrays bitmasks brute force hashing math number theory	1700	12.5k
1729F	Kirei and the Linear Function hashing math	1900	4.6k
1704D	Magical Array constructive algorithms hashing implementation math	1900	5.4k
1658E	Gojou and Matrix Game data structures dp games hashing implementation math number theory sortings	2500	1.3k
1641D	Two Arrays bitmasks brute force combinatorics greedy hashing math two pointers	2700	1.6k
1634F	Fibonacci Additions brute force data structures hashing implementation math	2700	2k
1622F	Quadratic Set constructive algorithms hashing math number theory	2900	942
1598G	The Sum of Good Numbers hashing math string suffix structures strings	3200	441
1553G	Common Divisor Graph brute force constructive algorithms dsu graphs hashing math number theory	2700	1.3k
1527C	Sequence Pair Weight hashing implementation math	1600	15.3k
1520D	Same Differences data structures hashing math	1200	68.1k
1500A	Going Home brute force hashing implementation math	1800	9.6k
1493D	GCD of an Array brute force data structures hashing implementation math number theory sortings two pointers	2100	5.9k
1470B	Strange Definition bitmasks graphs hashing math number theory	1900	6.8k
1466G	Song of the Sirens combinatorics divide and conquer hashing math string suffix structures strings	2600	1.1k
1322C	Instant Noodles graphs hashing math number theory	2300	2.8k
1286C2	Madhouse (Hard version) brute force constructive algorithms hashing interactive math	2800	767
1277D	Let's Play the Words? data structures hashing implementation math	1900	3.3k
1225D	Power Products hashing math number theory	1800	10.4k
1175F	The Number of Subpermutations brute force data structures divide and conquer hashing math	2500	2.8k
1133D	Zero Quantity Maximization hashing math number theory	1500	17.3k
898F	Restoring the Expression brute force hashing math	2300	1.5k
724C	Ray Tracing greedy hashing implementation math number theory sortings	1800	2.3k
639C	Bear and Polynomials hashing implementation math	2200	1.3k
633D	Fibonacci-ish brute force dp hashing implementation math	2000	3.1k
542D	Superhero's Job dfs and similar dp hashing math number theory	2600	541
486E	LIS of Sequence data structures dp greedy hashing math	2200	2.7k
182D	Common Divisors brute force hashing implementation math strings	1400	9.4k

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