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Problemset

58 problems · filtered by 2 tags

#	Name	Rating↕	Solved↕
2150A	Incremental Path data structures hashing implementation	1300	13.3k
2132G	Famous Choreographer hashing implementation strings	2600	531
2063F1	Counting Is Not Fun (Easy Version) combinatorics data structures dfs and similar dp dsu graphs hashing implementation math trees	2400	1.6k
2041I	Auto Complete binary search data structures hashing implementation sortings strings trees	2300	688
2023C	C+K+S constructive algorithms dfs and similar graphs greedy hashing implementation strings	2400	1.4k
2020C	Bitwise Balancing bitmasks hashing implementation math schedules ternary search	1400	18.7k
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
1969F	Card Pairing dp greedy hashing implementation	3000	413
1951E	No Palindromes brute force constructive algorithms divide and conquer greedy hashing implementation math strings	2000	4.6k
1950G	Shuffling Songs bitmasks dfs and similar dp graphs hashing implementation strings	1900	6.3k
1943B	Non-Palindromic Substring hashing implementation math strings	2000	4.7k
1923F	Shrink-Reverse binary search brute force greedy hashing implementation string suffix structures strings	2800	544
1895C	Torn Lucky Ticket brute force dp hashing implementation math	1400	13.3k
1840E	Character Blocking data structures hashing implementation	1600	9.5k
1800G	Symmetree dfs and similar hashing implementation trees	2200	2.6k
1794E	Labeling the Tree with Distances data structures dp greedy hashing implementation trees	2400	1.6k
1773B	BinCoin binary search divide and conquer hashing implementation probabilities trees	2200	982
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
1650C	Weight of the System of Nested Segments greedy hashing implementation sortings	1200	18.7k
1634F	Fibonacci Additions brute force data structures hashing implementation math	2700	2k
1624E	Masha-forgetful brute force constructive algorithms dp hashing implementation strings	2000	4.7k
1574D	The Strongest Build binary search brute force data structures dfs and similar graphs greedy hashing implementation	2000	4.9k
1569E	Playoff Restoration bitmasks brute force hashing implementation meet-in-the-middle	2600	901
1553B	Reverse String brute force dp hashing implementation strings	1300	15.6k
1538E	Funny Substrings data structures hashing implementation matrices strings	2100	3.3k
1537E1	Erase and Extend (Easy Version) binary search brute force dp greedy hashing implementation string suffix structures strings two pointers	1600	16.9k
1535F	String Distance binary search brute force data structures hashing implementation strings	3000	701
1527C	Sequence Pair Weight hashing implementation math	1600	15.3k
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
1451C	String Equality dp greedy hashing implementation strings	1400	17.4k
1393E1	Twilight and Ancient Scroll (easier version) dp hashing implementation string suffix structures strings	2800	482
1393E2	Twilight and Ancient Scroll (harder version) dp hashing implementation string suffix structures strings two pointers	3200	521
1277D	Let's Play the Words? data structures hashing implementation math	1900	3.3k
1228D	Complete Tripartite brute force constructive algorithms graphs hashing implementation	1900	5.5k
1200E	Compress Words brute force hashing implementation string suffix structures strings	2000	9.7k
1182D	Complete Mirror constructive algorithms dfs and similar dp hashing implementation trees	2400	1k
1156G	Optimizer graphs greedy hashing implementation	2700	171
903E	Swapping Characters brute force hashing implementation strings	2200	1.6k
724C	Ray Tracing greedy hashing implementation math number theory sortings	1800	2.3k
639C	Bear and Polynomials hashing implementation math	2200	1.3k
633C	Spy Syndrome 2 data structures dp hashing implementation sortings string suffix structures strings	1900	3.4k
633D	Fibonacci-ish brute force dp hashing implementation math	2000	3.1k
631D	Messenger data structures hashing implementation string suffix structures strings	2100	2.5k
534E	Berland Local Positioning System constructive algorithms greedy hashing implementation	2400	413
486B	OR in Matrix greedy hashing implementation	1300	19.4k
463C	Gargari and Bishops greedy hashing implementation	1900	9.3k
356E	Xenia and String Problem dp hashing implementation string suffix structures strings	3000	566
212B	Polycarpus is Looking for Good Substrings bitmasks hashing implementation	2300	399
182D	Common Divisors brute force hashing implementation math strings	1400	9.4k
128B	String brute force constructive algorithms hashing implementation string suffix structures strings	2100	2.9k
82B	Sets constructive algorithms hashing implementation	1700	2.3k
54B	Cutting Jigsaw Puzzle hashing implementation	1800	922
39J	Spelling Check hashing implementation strings	1500	3.6k
4C	Registration System data structures hashing implementation	1300	113.1k
2A	Winner hashing implementation	1500	31.8k

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