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165 problems · filtered by 3 tags

✓#Name✎Rating↕Solved↕
2244FAnya Loves Trees!
dfs and similardpgreedytrees
unrated3.5k
2219CColoring a Red Black Tree
dfs and similardpgreedymathprobabilitiestrees
23001.4k
2208D1Tree Orientation (Easy Version)
constructive algorithmsdfs and similardsugraphsgreedymatricestrees
18004.8k
2208D2Tree Orientation (Hard Version)
dfs and similardsugraphsgreedysortingstrees
22002.1k
2193HRemove the Grail Tree
dfs and similardpgraphsgreedyimplementationtrees
24001.1k
2189FZhora the Vacuum Cleaner
data structuresdfs and similardpgreedyimplementationsortingstrees
2800254
2187CJerry and Tom
data structuresdfs and similardsugamesgraphsgreedytrees
23001.5k
2183D1Tree Coloring (Easy Version)
constructive algorithmsdfs and similargreedytrees
15009.3k
2183D2Tree Coloring (Hard Version)
combinatoricsconstructive algorithmsdata structuresdfs and similargreedyimplementationtrees
21002.6k
2176ERemove at the lowest cost
data structuresdfs and similardpdsugreedyimplementationtrees
24001.3k
2134DSliding Tree
constructive algorithmsdfs and similargreedyimplementationtrees
23003.8k
2133EI Yearned For The Mines
constructive algorithmsdfs and similardpgreedytrees
25001.8k
2127EAncient Tree
constructive algorithmsdata structuresdfs and similardsugreedytrees
21004.4k
2127H23 Rises Again
brute forcedfs and similardpflowsgraph matchingsgraphsgreedyimplementationprobabilitiestrees
31001.9k
2119FVolcanic Eruptions
dfs and similardpgreedyshortest pathstrees
3300191
2115BGellyfish and Camellia Japonica
brute forceconstructive algorithmsdfs and similardpgraphsgreedytrees
21005k
2114EKirei Attacks the Estate
dfs and similardpgreedytrees
140014.4k
2108ESpruce Dispute
constructive algorithmsdfs and similargraphsgreedyimplementationshortest pathstrees
2600922
2107DApple Tree Traversing
brute forcedfs and similargreedyimplementationtrees
21003.6k
2093GShorten the Array
binary searchbitmasksdata structuresdfs and similargreedystringstreestwo pointers
19004k
2071CTrapmigiano Reggiano
constructive algorithmsdata structuresdfs and similardpgreedysortingstrees
17009.9k
2065FSkibidus and Slay
data structuresdfs and similargraphsgreedytrees
17007.3k
2063CRemove Exactly Two
brute forcedata structuresdfs and similardpgraphsgreedysortingstrees
160015.1k
2063ETriangle Tree
data structuresdfs and similardpgreedytrees
23002.4k
2062DBalanced Tree
dfs and similardpgraphsgreedytrees
22003.6k
2062E1The Game (Easy Version)
data structuresdfs and similargamesgraphsgreedytrees
20004.4k
2053EResourceful Caterpillar Sequence
dfs and similardpgamesgraphsgreedytrees
19004.6k
2042EVertex Pairs
binary searchbrute forcedata structuresdfs and similardivide and conquergreedyimplementationtrees
2900535
2040DNon Prime Tree
brute forceconstructive algorithmsdfs and similargreedynumber theorytreestwo pointers
19005.9k
2040EControl of Randomness
combinatoricsdfs and similardpgraphsgreedymathprobabilitiestrees
21002.8k
2033GSakurako and Chefir
data structuresdfs and similardpgreedytrees
22002k
2031EPenchick and Chloe's Trees
data structuresdfs and similardpgreedyimplementationmathsortingstrees
21002.8k
2029DCool Graph
constructive algorithmsdata structuresdfs and similardsugraphsgreedytrees
19004k
2028EAlice's Adventures in the Rabbit Hole
combinatoricsdfs and similardpgamesgreedymathprobabilitiestrees
23002k
2025FChoose Your Queries
constructive algorithmsdfs and similardpgraphsgreedytrees
27001.1k
2021E1Digital Village (Easy Version)
brute forcedata structuresdfs and similardpdsufftgraphsgreedyimplementationmathtrees
23002k
2021E3Digital Village (Extreme Version)
data structuresdfs and similardpdsugraphsgreedymathtrees
2800725
2018CTree Pruning
brute forcedfs and similargreedysortingstrees
170010.2k
2014FSheriff's Defense
dfs and similardpgreedytrees
20005.3k
2006AIris and Game on the Tree
constructive algorithmsdfs and similargamesgraphsgreedytrees
17009.8k
2001CGuess The Tree
binary searchbrute forcedfs and similardivide and conquerdsugreedyinteractivetrees
150013.1k
1997DMaximize the Root
binary searchdfs and similardpgreedytrees
150016.3k
1987EWonderful Tree!
brute forcedata structuresdfs and similardsugreedytrees
20004.2k
1980GYasya and the Mysterious Tree
bitmasksdata structuresdfs and similargraphsgreedystringstrees
23001.8k
1976ESplittable Permutations
combinatoricsdata structuresdfs and similargreedymathtrees
25001.3k
1976FRemove Bridges
data structuresdfs and similardpgreedysortingstrees
2800893
1975DPaint the Tree
brute forcedfs and similardpgreedyshortest pathstrees
17007.6k
1949CAnnual Ants' Gathering
dfs and similardpgreedytrees
19002.6k
1943CTree Compass
constructive algorithmsdfs and similargreedytrees
23002.7k
1935FAndrey's Tree
binary searchconstructive algorithmsdata structuresdfs and similardsugreedyimplementationtrees
2800634
1929ESasha and the Happy Tree Cutting
bitmasksbrute forcedfs and similardpgraphsgreedymathtrees
23002.1k
1927FMicrocycle
data structuresdfs and similardsugraphsgreedyimplementationsortingstrees
19005.6k
1926GVlad and Trouble at MIT
dfs and similardpflowsgraphsgreedyimplementationtrees
19004.7k
1918FCaterpillar on a Tree
dfs and similargraphsgreedyimplementationsortingstrees
25001.2k
1916EHappy Life in University
data structuresdfs and similargreedytrees
23002.7k
1914FProgramming Competition
dfs and similardpgraph matchingsgreedytrees
19005.1k
1901ECompressed Tree
dfs and similardpgraphsgreedysortingstrees
22002k
1882DTree XOR
bitmasksdfs and similardpgreedytrees
19007.3k
1856E2PermuTree (hard version)
bitmasksdfs and similardpfftgreedyimplementationmathtrees
27001.8k
1843F1Omsk Metro (simple version)
data structuresdfs and similardpgraphsgreedymathtrees
18006.5k
1842FTenzing and Tree
dfs and similargreedyshortest pathssortingstrees
25001.9k
1833GKsyusha and Chinchilla
constructive algorithmsdfs and similardpdsugreedyimplementationtrees
18006.5k
1827DTwo Centroids
data structuresdfs and similargreedytrees
28001k
1827EBus Routes
binary searchconstructive algorithmsdfs and similargreedytrees
34001k
1824CLuoTianyi and XOR-Tree
data structuresdfs and similardpdsugreedytrees
25001.7k
1805DA Wide, Wide Graph
dfs and similardpgraphsgreedytrees
18009.6k
1796EColored Subgraphs
dfs and similardpgamesgreedytrees
25001.1k
1795FBlocking Chips
binary searchconstructive algorithmsdfs and similargreedytrees
24001.4k
1790FTimofey and Black-White Tree
brute forcedfs and similardivide and conquergraphsgreedymathshortest pathstrees
21004.2k
1788FXOR, Tree, and Queries
bitmasksconstructive algorithmsdfs and similardsugraphsgreedyimplementationtrees
25001.2k
1774ETwo Chess Pieces
dfs and similardpgreedytrees
19004k
1746DPaths on the Tree
dfs and similardpgreedysortingstrees
19005.2k
1740EHanging Hearts
constructive algorithmsdata structuresdfs and similardpgreedytrees
18005.1k
1739DReset K Edges
binary searchdata structuresdfs and similargraphsgreedytrees
19006.4k
1709EXOR Tree
bitmasksdata structuresdfs and similardsugreedytrees
24004.2k
1707CDFS Trees
dfs and similardsugraphsgreedysortingstrees
24002k
1706EQpwoeirut and Vertices
binary searchdata structuresdfs and similardivide and conquerdsugreedytrees
23004k
1695D1Tree Queries (Easy Version)
brute forceconstructive algorithmsdfs and similardpgreedytrees
22002.5k
1695D2Tree Queries (Hard Version)
constructive algorithmsdfs and similardpgreedytrees
23002.3k
1693BFake Plastic Trees
dfs and similardpgreedytrees
17009.7k
1682EUnordered Swaps
constructive algorithmsdfs and similargraphsgreedymathsortingstrees
2700777
1675FVlad and Unfinished Business
dfs and similardpgreedytrees
18006.4k
1654GSnowy Mountain
data structuresdfs and similargraphsgreedyshortest pathstrees
2900474
1637FTowers
constructive algorithmsdfs and similardpgreedytrees
25002.2k
1633ESpanning Tree Queries
binary searchdata structuresdfs and similardsugraphsgreedymathsortingstrees
24001.8k
1626EBlack and White Tree
dfs and similargreedytrees
24001.9k
1623EMiddle Duplication
data structuresdfs and similargreedystringstrees
25001.3k
1615EPurple Crayon
data structuresdfs and similargamesgraphsgreedymathsortingstrees
24001.8k
1611E1Escape The Maze (easy version)
dfs and similargreedyshortest pathstreestwo pointers
17008.5k
1611E2Escape The Maze (hard version)
dfs and similardpgreedyshortest pathstrees
19004.4k
1610HSquid Game
data structuresdfs and similargreedytrees
3100731
1605DTreelabeling
bitmasksconstructive algorithmsdfs and similargamesgreedyimplementationtrees
21003.3k
1593EGardener and Tree
brute forcedata structuresdfs and similargreedyimplementationtrees
160015.1k
1583EMoment of Bloom
constructive algorithmsdfs and similargraph matchingsgraphsgreedytrees
22002.5k
1566EBuds Re-hanging
constructive algorithmsdfs and similardpgreedytrees
20004.5k
1559D2Mocha and Diana (Hard Version)
brute forceconstructive algorithmsdfs and similardsugraphsgreedytreestwo pointers
25003.2k
1528AParsa's Humongous Tree
dfs and similardivide and conquerdpgreedytrees
160019.8k
1528CTrees of Tranquillity
data structuresdfs and similargreedytrees
23003k
1521DNastia Plays with a Tree
constructive algorithmsdata structuresdfs and similardpdsugreedyimplementationtrees
25002.4k
1515FPhoenix and Earthquake
constructive algorithmsdfs and similardsugraphsgreedytrees
26002.2k

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