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530 problems · filtered by 2 tags

✓#Name✎Rating↕Solved↕
2027CAdd Zeros
brute forcedata structuresdfs and similardpgraphsgreedy
150014.1k
2027D2The Endspeaker (Hard Version)
binary searchdata structuresdpgreedyimplementationtwo pointers
22001.9k
2026DSums of Segments
binary searchdata structuresdpimplementationmath
19006.1k
2026FBermart Ice Cream
data structuresdfs and similardivide and conquerdpimplementationtrees
2700413
2025DAttribute Checks
brute forcedata structuresdpimplementationmathtwo pointers
18008k
2021E1Digital Village (Easy Version)
brute forcedata structuresdfs and similardpdsufftgraphsgreedyimplementationmathtrees
23002k
2021E2Digital Village (Hard Version)
data structuresdpdsugraphsmathtrees
25001.3k
2021E3Digital Village (Extreme Version)
data structuresdfs and similardpdsugraphsgreedymathtrees
2800725
2018BSpeedbreaker
binary searchdata structuresdpgreedyimplementationtwo pointers
19005.3k
2018DMax Plus Min Plus Size
data structuresdpdsugreedyimplementationmatricessortings
22002.2k
2013F1Game in Tree (Easy Version)
binary searchbrute forcedata structuresdpgamesgreedyimplementationtrees
2700679
2009G2Yunli's Subarray Queries (hard version)
binary searchdata structuresdp
22001.8k
2009G3Yunli's Subarray Queries (extreme version)
data structuresdpimplementation
2700552
2008EAlternating String
brute forcedata structuresdpgreedyimplementationstrings
150013.8k
2005E2Subtangle Game (Hard Version)
data structuresdpgamesgreedyimplementation
25001.1k
2004GSubstring Compression
data structuresdpmatrices
3200425
2003E2Turtle and Inversions (Hard Version)
brute forcedata structuresdivide and conquerdpgreedymathtwo pointers
2700654
2003FTurtle and Three Sequences
brute forcedata structuresdpgreedymathprobabilitiestwo pointers
2800838
2002ECosmic Rays
brute forcedata structuresdp
23003k
1998DDetermine Winning Islands in Race
data structuresdpgraphsgreedyshortest paths
21004.2k
1995E1Let Me Teach You a Lesson (Easy Version)
2-satdata structuresdpmatricestwo pointers
2700537
1995E2Let Me Teach You a Lesson (Hard Version)
data structuresdpmatricestwo pointers
2900417
1990FPolygonal Segments
brute forcedata structuresdivide and conquerdpgreedytwo pointers
2800464
1989DSmithing Skill
brute forcedata structuresdpgreedymathsortingstwo pointers
19007.2k
1985H2Maximize the Largest Component (Hard Version)
data structuresdfs and similardpdsuimplementation
22002k
1982CBoring Day
binary searchdata structuresdpgreedytwo pointers
120022.3k
1981FTurtle and Paths on a Tree
data structuresdptrees
3000358
1978EComputing Machine
brute forcedata structuresdpgreedyimplementation
20004.7k
1977CNikita and LCM
brute forcedata structuresdpgreedymathnumber theorysortings
19008.2k
1976FRemove Bridges
data structuresdfs and similardpgreedysortingstrees
2800893
1969EUnique Array
binary searchdata structuresdivide and conquerdpgreedy
24001.9k
1968G1Division + LCP (easy version)
binary searchdata structuresdphashingstring suffix structuresstrings
19005.4k
1968G2Division + LCP (hard version)
binary searchbrute forcedata structuresdphashingmathstring suffix structuresstrings
22002.6k
1967CFenwick Tree
bitmasksbrute forcecombinatoricsdata structuresdpmathtrees
23002.3k
1946FNobody is needed
2-satdata structuresdfs and similardp
25001.3k
1942DLearning to Paint
binary searchdata structuresdfs and similardpgreedyimplementationsortings
21003.4k
1942HFarmer John's Favorite Intern
data structuresdpflowstrees
3500262
1941ERudolf and k Bridges
binary searchdata structuresdptwo pointers
160012.2k
1935CMessenger in MAC
binary searchbrute forceconstructive algorithmsdata structuresdpgreedysortings
18009.9k
1932FFeed Cats
data structuresdpsortings
19005.9k
1930GPrefix Max Set Counting
data structuresdptrees
3100531
1927DFind the Different Ones!
binary searchbrute forcedata structuresdpdsugreedytwo pointers
130035.3k
1927GPaint Charges
data structuresdpgreedymath
23002k
1926EVlad and an Odd Ordering
binary searchbitmasksdata structuresdpimplementationmathnumber theory
150015.2k
1923ECount Paths
data structuresdfs and similardpdsugraphstrees
20005.3k
1921FSum of Progression
brute forcedata structuresdpimplementationmath
19005.2k
1921GMischievous Shooter
brute forcedata structuresdivide and conquerdpimplementation
22001.5k
1919CGrouping Increases
data structuresdpgreedy
140030.2k
1919F2Wine Factory (Hard Version)
data structuresdpflowsgreedymatrices
28001.2k
1918DBlocking Elements
binary searchdata structuresdpimplementationtwo pointers
19006.4k
1917BErase First or Second Letter
brute forcecombinatoricsdata structuresdpstrings
110038.7k
1917DYet Another Inversions Problem
combinatoricsdata structuresdpimplementationmathnumber theory
23002.1k
1914G2Light Bulbs (Hard Version)
combinatoricsdata structuresdfs and similardpgraphshashing
23001.9k
1913DArray Collapse
data structuresdivide and conquerdptrees
21004.3k
1902DRobot Queries
binary searchdata structuresdpimplementation
19005.4k
1895EInfinite Card Game
binary searchbrute forcedata structuresdfs and similardpdsugamesgraphsgreedysortingstwo pointers
23001.9k
1895GTwo Characters, Two Colors
binary searchdata structuresdpflowsgreedy
3100405
1889C1Doremy's Drying Plan (Easy Version)
brute forcedata structuresdpgreedysortings
20004k
1889C2Doremy's Drying Plan (Hard Version)
data structuresdp
26001.2k
1889FDoremy's Average Tree
data structuresdpgreedytrees
3500208
1884CMedium Design
brute forcedata structuresdpgreedysortings
17007.5k
1876EBall-Stackable
constructive algorithmsdata structuresdptrees
3300373
1872EData Structures Fan
binary searchbitmasksdata structuresdp
150022.5k
1870CColorful Table
binary searchdata structuresdpimplementationmathtwo pointers
130013.3k
1866GGrouped Carriages
binary searchdata structuresdpflowsgreedy
21002.3k
1866KKeen Tree Calculation
binary searchdata structuresdpgeometrygraphsimplementationtrees
2500585
1864DMatrix Cascade
brute forceconstructive algorithmsdata structuresdpgreedymath
17007.7k
1860CGame on Permutation
data structuresdpgamesgreedy
140015.9k
1859DAndrey and Escape from Capygrad
binary searchdata structuresdpdsugreedysortings
18008.1k
1858DTrees and Segments
brute forcedata structuresdpgreedytwo pointers
22003.3k
1856CTo Become Max
binary searchbrute forcedata structuresdp
160019.2k
1852CIna of the Mountain
data structuresdpgreedymath
24002.2k
1852FPanda Meetups
data structuresdpflows
3500151
1849EMax to the Right of Min
binary searchdata structuresdivide and conquerdpdsutwo pointers
23002.3k
1846CRudolf and the Another Competition
constructive algorithmsdata structuresdpgreedysortings
120021.8k
1845DRating System
binary searchbrute forcedata structuresdpdsugreedymathtwo pointers
18009.2k
1844HMultiple of Three Cycles
combinatoricsdata structuresdpdsumath
3400305
1843F1Omsk Metro (simple version)
data structuresdfs and similardpgraphsgreedymathtrees
18006.5k
1843F2Omsk Metro (hard version)
data structuresdfs and similardivide and conquerdpmathtrees
23002.2k
1842ETenzing and Triangle
data structuresdpgeometrygreedymath
23001.9k
1839DBall Sorting
data structuresdpsortings
21002.8k
1830FThe Third Grace
data structuresdp
3200409
1829GHits Different
data structuresdpimplementationmath
160015.9k
1827B2Range Sorting (Hard Version)
binary searchdata structuresdpgreedy
24002.4k
1827CPalindrome Partition
binary searchbrute forcedata structuresdphashingstrings
26001.8k
1826EWalk the Runway
bitmasksbrute forcedata structuresdpgraphsimplementationsortings
24002k
1824CLuoTianyi and XOR-Tree
data structuresdfs and similardpdsugreedytrees
25001.7k
1819DMisha and Apples
brute forcedata structuresdptwo pointers
2800904
1819FWilly-nilly, Crack, Into Release!
data structuresdp
3500208
1814EChain Chips
data structuresdpmatrices
23001.8k
1811G2Vlad and the Nice Paths (hard version)
binary searchcombinatoricsdata structuresdpmathtwo pointers
22002.2k
1807G1Subsequence Addition (Easy Version)
brute forcedata structuresdpgreedyimplementationsortings
110022.7k
1805EThere Should Be a Lot of Maximums
brute forcedata structuresdfs and similardptreestwo pointers
23002k
1801CMusic Festival
binary searchdata structuresdpgreedysortings
19004.2k
1801DThe way home
binary searchdata structuresdpgraphsgreedyshortest pathssortings
21002.9k
1799D2Hot Start Up (hard version)
data structuresdp
21003.1k
1797DLi Hua and Tree
brute forcedata structuresdfs and similardpimplementationtrees
19004.7k
1796DMaximum Subarray
data structuresdpgreedytwo pointers
20005.5k
1795EExplosions?
binary searchdata structuresdpgreedymath
22002.4k
1794ELabeling the Tree with Distances
data structuresdpgreedyhashingimplementationtrees
24001.6k

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