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Problemset

747 problems · filtered by 2 tags

#NameRatingSolved
2026DSums of Segments19006.1k
2025DAttribute Checks18008k
2022ABus to Pénjamo80017.4k
2021E1Digital Village (Easy Version)23002k
2020CBitwise Balancing140018.7k
2019BAll Pairs Segments120017.6k
2018ACards Partition160012.9k
2010AAlternating Sum of Numbers80021.5k
2010BThree Brothers80025k
2009CThe Legend of Freya the Frog110033.7k
2006DIris and Adjacent Products2600997
2004AClosest Point80034k
2003D2Turtle and a MEX Problem (Hard Version)21004.7k
2002ADistanced Coloring80021.4k
2000APrimary Task80044.7k
2000FColor Rows and Columns19007.1k
1999AA+B Again?80086.7k
1999ETriple Operations130024.3k
1998AFind K Distinct Points with Fixed Center80026.3k
1996EDecode160012.9k
1995ADiagonals80026.6k
1995CSquaring180010.4k
1993CLight Switches140016.4k
1992ENovice's Mistake170011k
1991FTriangle Formation22002.8k
1988ASplit the Multiset90027.3k
1986DMathematical Problem140018.2k
1985DManhattan Circle90042.1k
1984BLarge Addition110021.2k
1984D''a'' String Problem20004k
1983BCorner Twist120018.6k
1982ASoccer80027.7k
1982BCollatz Conjecture120020k
1982DBeauty of the mountains170010.2k
1981CTurtle and an Incomplete Sequence18006.4k
1980DGCD-sequence140017.7k
1980EPermutation of Rows and Columns160013.3k
1978CManhattan Permutations130018k
1978DElections160013.9k
1973AChess For Three90028.9k
1973CCat, Fox and Double Maximum170010k
1971FCircle Perimeter160012.7k
1969ATwo Friends80022.3k
1967APermutation Counting140015.2k
1956DNene and the Mex Operator20004.9k
1956E1Nene vs. Monsters (Easy Version)25001.7k
1956E2Nene vs. Monsters (Hard Version)27001.1k
1955CInhabitant of the Deep Sea130025k
1955GGCD on a grid19006.1k
1954BMake It Ugly120021.9k
1954EChain Reaction22003k
1951ENo Palindromes20004.6k
1950CClock Conversion80047.5k
1943BNon-Palindromic Substring20004.7k
1942FFarmer John's Favorite Function27001k
1937AShuffle Party80024.9k
1936BPinball20003.6k
1935DExam in MAC180011k
1933BTurtle Math: Fast Three Task80037k
1933CTurtle Fingers: Count the Values of k110025.7k
1933ETurtle vs. Rabbit Race: Optimal Trainings150013.9k
1932CLR-remainders140019.3k
1932EFinal Countdown160010.4k
1928FDigital Patterns2900479
1926EVlad and an Odd Ordering150015.2k
1924BSpace Harbour21003.4k
1922CClosest Cities130022.4k
1922DBerserk Monsters19006.9k
1921FSum of Progression19005.2k
1920DArray Repetition19006.7k
1919ECounting Prefixes26001.2k
1918ABrick Wall80032.6k
1918CXOR-distance140017.1k
1917CWatering an Array160012.6k
1917DYet Another Inversions Problem23002.1k
1916A202380028.5k
1916CTraining Before the Olympiad120020.1k
1912EEvaluate It and Back Again22001.3k
1909ADistinct Buttons80019.1k
1905DCyclic MEX20004.8k
1902FTrees and XOR Queries Again24001.5k
1901DYet Another Monster Fight17008.8k
1896FBracket Xoring26001k
1895CTorn Lucky Ticket140013.3k
1891EBrukhovich and Exams25001.1k
1884EHard Design2800440
1873CTarget Practice80074.6k
1872FSelling a Menagerie18007.7k
1870CColorful Table130013.3k
1868B1Candy Party (Easy Version)17008.4k
1868B2Candy Party (Hard Version)21002.8k
1868CTravel Plan24001.4k
1864AIncreasing and Decreasing80021.5k
1863CMEX Repetition110015.7k
1861ENon-Intersecting Subpermutations23002.1k
1860FEvaluate RBS2900350
1857BMaximum Rounding110024.9k
1856BGood Arrays90027.8k
1856E2PermuTree (hard version)27001.8k
1851DPrefix Permutation Sums130017.5k

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