11,311/11,320 captured·📄 81 PDFs⊘ 0 skipped9 remaining100%

Problemset

818 problems · filtered by 1 tag

#	Name	Rating↕	Solved↕
2000C	Numeric String Template data structures strings	1000	32k
1999D	Slavic's Exam greedy implementation strings	1100	33.2k
1997A	Strong Password brute force implementation strings	800	33.7k
1996C	Sort dp greedy sortings strings	1200	28.5k
1995D	Cases bitmasks brute force dp strings	2300	3k
1994H	Fortnite combinatorics constructive algorithms games greedy hashing interactive math number theory strings	3500	779
1992E	Novice's Mistake brute force constructive algorithms implementation math strings	1700	11k
1989B	Substring and Subsequence brute force greedy strings	1200	23.6k
1985A	Creating Words implementation strings	800	74.2k
1984D	''a'' String Problem brute force hashing implementation math string suffix structures strings	2000	4k
1980G	Yasya and the Mysterious Tree bitmasks data structures dfs and similar graphs greedy strings trees	2300	1.8k
1979D	Fixing a Binary String bitmasks brute force constructive algorithms dp greedy hashing strings	1800	8k
1976A	Verify Password implementation sortings strings	800	32.9k
1975G	Zimpha Fan Club fft greedy math strings	3000	349
1975H	378QAQ and Core greedy strings	3500	221
1974B	Symmetric Encoding implementation sortings strings	800	34.8k
1971B	Different String implementation strings	800	45.5k
1971D	Binary Cut dp greedy implementation sortings strings	1100	31k
1970D1	Arithmancy (Easy) brute force constructive algorithms interactive strings	2100	967
1970D2	Arithmancy (Medium) constructive algorithms interactive probabilities strings	2600	332
1968G1	Division + LCP (easy version) binary search data structures dp hashing string suffix structures strings	1900	5.4k
1968G2	Division + LCP (hard version) binary search brute force data structures dp hashing math string suffix structures strings	2200	2.6k
1965C	Folding Strip constructive algorithms greedy strings	2300	2.5k
1952A	Are You a Robot, Again? *special strings	unrated	14.2k
1952B	Is it stated? *special strings	unrated	12.4k
1952H	Palindrome *special implementation strings	unrated	813
1951E	No Palindromes brute force constructive algorithms divide and conquer greedy hashing implementation math strings	2000	4.6k
1950E	Nearly Shortest Repeating Substring brute force implementation number theory strings	1500	17.7k
1950G	Shuffling Songs bitmasks dfs and similar dp graphs hashing implementation strings	1900	6.3k
1948D	Tandem Repeats? brute force strings two pointers	1700	12.8k
1943B	Non-Palindromic Substring hashing implementation math strings	2000	4.7k
1941C	Rudolf and the Ugly String dp greedy strings	900	39.8k
1935A	Entertainment in MAC constructive algorithms strings	800	30.5k
1931A	Recovering a Small String brute force strings	800	40.3k
1930D1	Sum over all Substrings (Easy Version) brute force dp greedy strings	1800	4.9k
1930D2	Sum over all Substrings (Hard Version) bitmasks divide and conquer dp dsu greedy implementation strings	2100	3.1k
1927A	Make it White greedy strings	800	52.2k
1927B	Following the String constructive algorithms greedy strings	900	38.6k
1925A	We Got Everything Covered! constructive algorithms greedy strings	800	31.3k
1924A	Did We Get Everything Covered? constructive algorithms dp greedy shortest paths strings	1500	17k
1923F	Shrink-Reverse binary search brute force greedy hashing implementation string suffix structures strings	2800	545
1922A	Tricky Template constructive algorithms implementation strings	800	29k
1917B	Erase First or Second Letter brute force combinatorics data structures dp strings	1100	38.7k
1915D	Unnatural Language Processing greedy implementation strings	900	35.6k
1914A	Problemsolving Log implementation strings	800	35.5k
1913B	Swap and Delete strings	1000	55.3k
1913F	Palindromic Problem binary search data structures hashing string suffix structures strings	2800	583
1912L	LOL Lovers strings	800	8.8k
1909G	Pumping Lemma hashing strings	3000	694
1907B	YetnotherrokenKeoard data structures implementation strings	1000	31k
1907C	Removal of Unattractive Pairs constructive algorithms greedy math strings	1200	23.5k
1905C	Largest Subsequence greedy strings	1400	14.4k
1902E	Collapsing Strings data structures strings trees	1900	5.9k
1900A	Cover in Water constructive algorithms greedy implementation strings	800	70k
1898A	Milica and String brute force implementation strings	800	17.6k
1898E	Sofia and Strings data structures greedy sortings strings two pointers	2200	2.8k
1896B	AB Flipping greedy strings two pointers	900	18.8k
1894A	Secret Sport implementation strings	800	20.5k
1886C	Decreasing String implementation strings	1600	17.4k
1883B	Chemistry strings	900	64k
1881A	Don't Try to Count brute force strings	800	64.3k
1867B	XOR Palindromes bitmasks constructive algorithms strings	1100	18.8k
1864B	Swap and Reverse constructive algorithms greedy sortings strings	1100	16.8k
1864E	Guess Game bitmasks data structures games math probabilities sortings strings trees	2100	3.1k
1862A	Gift Carpet dp greedy implementation strings	800	36.6k
1861C	Queries for the Array data structures dfs and similar implementation strings trees	1600	12.5k
1860A	Not a Substring constructive algorithms strings	900	23.8k
1851F	Lisa and the Martians bitmasks greedy math strings trees	1800	7.8k
1850C	Word on the Paper implementation strings	800	54.6k
1849C	Binary String Copying binary search brute force data structures hashing strings	1600	12.7k
1847D	Professor Higashikata data structures dsu greedy implementation strings	1900	4.3k
1846B	Rudolph and Tic-Tac-Toe brute force implementation strings	800	29.1k
1845C	Strong Password binary search dp greedy strings	1400	17.1k
1844D	Row Major constructive algorithms greedy math number theory strings	1400	14k
1841C	Ranom Numbers brute force dp greedy math strings	1800	9.2k
1840A	Cipher Shifer implementation strings two pointers	800	38.7k
1838D	Bracket Walk data structures greedy strings	2100	3.8k
1834C	Game with Reversing games greedy math strings	1200	15.3k
1833A	Musical Puzzle implementation strings	800	35.4k
1832A	New Palindrome strings	800	29.4k
1829A	Love Story implementation strings	800	72.7k
1827C	Palindrome Partition binary search brute force data structures dp hashing strings	2600	1.8k
1825A	LuoTianyi and the Palindrome String greedy strings	800	20.9k
1823D	Unique Palindromes constructive algorithms math strings	1900	4.4k
1822E	Making Anti-Palindromes greedy math strings	1600	12.6k
1821C	Tear It Apart brute force implementation math strings	1300	16.4k
1821E	Rearrange Brackets brute force dp greedy sortings strings	2100	2.8k
1820A	Yura's New Name implementation strings	800	17.7k
1820B	JoJo's Incredible Adventures math strings two pointers	1100	24.5k
1817F	Entangled Substrings string suffix structures strings	3500	369
1815E	Bosco and Particle dp math number theory strings	3100	466
1812A	Are You a Robot? *special expression parsing strings	unrated	14.4k
1812J	Unmysterious Language *special constructive algorithms strings	unrated	6.3k
1811A	Insert Digit greedy math strings	800	35k
1807C	Find and Replace greedy implementation strings	800	34.8k
1805B	The String Has a Target greedy strings	800	20.4k
1801G	A task for substrings data structures string suffix structures strings	3400	739
1800A	Is It a Cat? implementation strings	800	37.4k
1800B	Count the Number of Pairs greedy strings	1000	29k
1800D	Remove Two Letters data structures greedy hashing strings	1200	30.2k

showing 101–200 of 818