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225 problems · filtered by 2 tags

✓#Name✎Rating↕Solved↕
2239EThe end of this world,
data structuresdivide and conquerdsugraphs
3300154
2237EPermutation Commutation
data structuresgraphsgreedy
20002k
2229EDeconstruction Tree
combinatoricsdata structuresdpgraphstrees
21002k
2222FBuilding Tree
data structuresdivide and conquerdsugraphsimplementation
2600716
2217EDefinitely Larger
binary searchconstructive algorithmsdata structuresgraphsgreedysortings
20002.5k
2207FHanabi
binary searchdata structuresdpdsuflowsgraph matchingsgraphsgreedy
2900315
2205FSimons and Reconstructing His Roads
constructive algorithmsdata structuresdsugraphs
2400714
2195GIdiot First Search and Queries
binary searchdata structuresdpgraphstrees
23001.2k
2187CJerry and Tom
data structuresdfs and similardsugamesgraphsgreedytrees
23001.5k
2176DFibonacci Paths
data structuresdpgraphssortings
18006.1k
2164EJourney
data structuresdfs and similardsugraphsgreedy
23003.6k
2164F2Chain Prefix Rank (Hard Version)
binary searchcombinatoricsdata structuresdfs and similardpgraphsmathtrees
2900648
2158ESink
data structuresdivide and conquerdsugraphsimplementation
2600665
2156EBest Time to Buy and Sell Stock
binary searchbrute forcedata structuresdpgamesgraphsgreedy
25001k
2155FJuan's Colorful Tree
data structuresdfs and similardsugraphsmeet-in-the-middletrees
2800745
2133FFlint and Steel
data structuresdpgraphs
3000489
2131DArboris Contractio
data structuresgraphsgreedytrees
140014.9k
2129EInduced Subgraph Queries
data structuresgraphssortings
3000559
2126F1-1-1, Free Tree!
brute forcedata structuresdfs and similargraphsimplementationtrees
20004.4k
2122DTraffic Lights
brute forcedata structuresdivide and conquerdpgraphsgreedyshortest paths
24002.8k
2118D2Red Light, Green Light (Hard version)
binary searchbrute forcedata structuresdfs and similardpgraphsimplementationmathnumber theory
22002.6k
2118FShifts and Swaps
data structuresgraphshashingtrees
3100299
2108CNeo's Escape
binary searchbrute forcedata structuresdpdsugraphsgreedyimplementation
150015.1k
2104GModulo 3
data structuresdivide and conquerdsugraphstrees
2700553
2091GGleb and Boating
brute forceconstructive algorithmsdata structuresdpgraphsgreedymathnumber theoryshortest paths
23001.6k
2069FGraph Inclusion
data structuresdfs and similardivide and conquerdsugraphs
2800824
2068EPorto Vs. Benfica
data structuresdfs and similardsugraphsshortest paths
2800384
2065FSkibidus and Slay
data structuresdfs and similargraphsgreedytrees
17007.3k
2063CRemove Exactly Two
brute forcedata structuresdfs and similardpgraphsgreedysortingstrees
160015.1k
2063F1Counting Is Not Fun (Easy Version)
combinatoricsdata structuresdfs and similardpdsugraphshashingimplementationmathtrees
24001.6k
2063F2Counting Is Not Fun (Hard Version)
combinatoricsdata structuresdfs and similardsugraphsimplementationtrees
2700951
2062E1The Game (Easy Version)
data structuresdfs and similargamesgraphsgreedytrees
20004.4k
2062E2The Game (Hard Version)
data structuresdfs and similargamesgraphsimplementationtrees
3000464
2059DGraph and Graph
data structuresgraphsgreedyshortest paths
19006.7k
2053I2Affectionate Arrays (Hard Version)
data structuresdpgraphsgreedymathshortest pathstwo pointers
3500110
2043EMatrix Transformation
bitmasksbrute forcedata structuresdfs and similargraphsgreedyimplementation
23001.9k
2033ESakurako, Kosuke, and the Permutation
brute forcedata structuresdfs and similardsugraphsgreedymath
140014.5k
2032DGenokraken
constructive algorithmsdata structuresgraphsgreedyimplementationinteractivetreestwo pointers
18006.3k
2029DCool Graph
constructive algorithmsdata structuresdfs and similardsugraphsgreedytrees
19004k
2028DAlice's Adventures in Cards
constructive algorithmsdata structuresdpgraphsgreedyimplementationternary search
20003.8k
2027CAdd Zeros
brute forcedata structuresdfs and similardpgraphsgreedy
150014.1k
2022E2Billetes MX (Hard Version)
binary searchcombinatoricsdata structuresdsugraphs
2600730
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
2004DColored Portals
binary searchbrute forcedata structuresgraphsgreedyimplementationshortest paths
160013.5k
2002D1DFS Checker (Easy Version)
brute forcedata structuresdfs and similargraphshashingtrees
19005.2k
2002D2DFS Checker (Hard Version)
binary searchdata structuresdfs and similargraphshashingtrees
23002.9k
1998DDetermine Winning Islands in Race
data structuresdpgraphsgreedyshortest paths
21004.2k
1996GPenacony
brute forcedata structuresgraphsgreedyhashing
22002.4k
1985H1Maximize the Largest Component (Easy Version)
brute forcedata structuresdfs and similardsugraphsimplementation
17007.4k
1981ETurtle and Intersected Segments
data structuresdsugraphsgreedy
26001.3k
1980GYasya and the Mysterious Tree
bitmasksdata structuresdfs and similargraphsgreedystringstrees
23001.8k
1978FLarge Graph
data structuresdfs and similardsugraphsnumber theorytwo pointers
24001.6k
1956FNene and the Passing Game
constructive algorithmsdata structuresdsugraphssortings
3000747
1940CBurenka and Pether
*specialdata structuresdfs and similardivide and conquerdsugraphssortingstrees
unrated44
1936CPokémon Arena
data structuresgraphsgreedyimplementationshortest pathssortings
24001.8k
1927FMicrocycle
data structuresdfs and similardsugraphsgreedyimplementationsortingstrees
19005.6k
1923ECount Paths
data structuresdfs and similardpdsugraphstrees
20005.3k
1920F1Smooth Sailing (Easy Version)
binary searchbrute forcedata structuresdfs and similardsugraphsshortest paths
25001.3k
1920F2Smooth Sailing (Hard Version)
binary searchdata structuresdsugeometrygraphstrees
3000668
1914G2Light Bulbs (Hard Version)
combinatoricsdata structuresdfs and similardpgraphshashing
23001.9k
1904ETree Queries
data structuresdfs and similargraphsimplementationtrees
25001.4k
1904FBeautiful Tree
data structuresdfs and similargraphsimplementationtrees
2800581
1903FBabysitting
2-satbinary searchdata structuresgraphstrees
2500976
1902FTrees and XOR Queries Again
data structuresdfs and similardivide and conquergraphsimplementationmathtrees
24001.5k
1895EInfinite Card Game
binary searchbrute forcedata structuresdfs and similardpdsugamesgraphsgreedysortingstwo pointers
23001.9k
1870HStandard Graph Problem
data structuresgraphsgreedytrees
3500127
1866KKeen Tree Calculation
binary searchdata structuresdpgeometrygraphsimplementationtrees
2500585
1860EFast Travel Text Editor
data structuresdfs and similargraphsshortest paths
24001.9k
1859FTeleportation in Byteland
data structuresdfs and similardivide and conquergraphsshortest pathstrees
3200582
1851GVlad and the Mountains
binary searchdata structuresdsugraphsimplementationsortingstreestwo pointers
20004.2k
1843F1Omsk Metro (simple version)
data structuresdfs and similardpgraphsgreedymathtrees
18006.5k
1826EWalk the Runway
bitmasksbrute forcedata structuresdpgraphsimplementationsortings
24002k
1810EMonsters
brute forcedata structuresdfs and similardsugraphsgreedy
21004k
1809FTraveling in Berland
binary searchdata structuresgraphsgreedyimplementation
2500972
1801DThe way home
binary searchdata structuresdpgraphsgreedyshortest pathssortings
21002.9k
1770DKoxia and Game
constructive algorithmsdata structuresdfs and similardsuflowsgamesgraph matchingsgraphsimplementation
20004.5k
1763FEdge Queries
data structuresdfs and similardpdsugraphstrees
3000750
1740IArranging Crystal Balls
data structuresdivide and conquerdpgeometrygraphsnumber theory
3500182
1739DReset K Edges
binary searchdata structuresdfs and similargraphsgreedytrees
19006.4k
1738DPermutation Addicts
constructive algorithmsdata structuresdfs and similardsugraphstrees
19003.8k
1726CJatayu's Balanced Bracket Sequence
data structuresdsugraphsgreedy
130013.5k
1715ELong Way Home
data structuresdivide and conquerdpgeometrygraphsgreedyshortest paths
24002.4k
1695CZero Path
brute forcedata structuresdpgraphsgreedyshortest paths
170014.5k
1691ENumber of Groups
data structuresdfs and similardsugraphsgreedysortings
23002.2k
1682FMCMF?
data structuresflowsgraphsgreedysortingstwo pointers
2700471
1670CWhere is the Pizza?
data structuresdfs and similardsugraphsimplementationmath
140011.1k
1662FAntennas
data structuresdfs and similargraphsimplementationshortest paths
unrated1.3k
1654EArithmetic Operations
brute forcedata structuresgraphsmath
23002.4k
1654GSnowy Mountain
data structuresdfs and similargraphsgreedyshortest pathstrees
2900474
1651DNearest Excluded Points
binary searchdata structuresdfs and similargraphsshortest paths
19006.7k
1650GCounting Shortcuts
data structuresdfs and similardpgraphsshortest paths
21003k
1648EAir Reform
data structuresdfs and similardivide and conquerdsugraphsimplementationtrees
3200601
1648FTwo Avenues
data structuresdfs and similargraphs
3500190
1638CInversion Graph
data structuresdsugraphsmath
130016.1k
1634EFair Share
constructive algorithmsdata structuresdfs and similargraph matchingsgraphs
24002.3k
1633ESpanning Tree Queries
binary searchdata structuresdfs and similardsugraphsgreedymathsortingstrees
24001.8k
1632E1Distance Tree (easy version)
binary searchdata structuresdfs and similargraphsshortest pathstrees
24001.4k
1625E1Cats on the Upgrade (easy version)
brute forcedata structuresdfs and similardivide and conquerdpgraphstrees
25001.2k

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