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148 problems · filtered by 3 tags

✓#Name✎Rating↕Solved↕
2236GCriterion in Burlandia
binary searchbitmasksbrute forcedata structuresdfs and similardivide and conquerimplementationtreestwo pointers
2600385
2194F2Again Trees... (hard version)
bitmasksdata structuresdfs and similardpffttrees
3000223
2189FZhora the Vacuum Cleaner
data structuresdfs and similardpgreedyimplementationsortingstrees
2800254
2187CJerry and Tom
data structuresdfs and similardsugamesgraphsgreedytrees
23001.5k
2183D2Tree Coloring (Hard Version)
combinatoricsconstructive algorithmsdata structuresdfs and similargreedyimplementationtrees
21002.6k
2182GShort Garland
combinatoricsdata structuresdfs and similardptrees
2800383
2176ERemove at the lowest cost
data structuresdfs and similardpdsugreedyimplementationtrees
24001.3k
2164F2Chain Prefix Rank (Hard Version)
binary searchcombinatoricsdata structuresdfs and similardpgraphsmathtrees
2900648
2155FJuan's Colorful Tree
data structuresdfs and similardsugraphsmeet-in-the-middletrees
2800745
2127EAncient Tree
constructive algorithmsdata structuresdfs and similardsugreedytrees
21004.4k
2126F1-1-1, Free Tree!
brute forcedata structuresdfs and similargraphsimplementationtrees
20004.4k
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
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
2042EVertex Pairs
binary searchbrute forcedata structuresdfs and similardivide and conquergreedyimplementationtrees
2900535
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
2026FBermart Ice Cream
data structuresdfs and similardivide and conquerdpimplementationtrees
2700413
2021E1Digital Village (Easy Version)
brute forcedata structuresdfs and similardpdsufftgraphsgreedyimplementationmathtrees
23002k
2021E3Digital Village (Extreme Version)
data structuresdfs and similardpdsugraphsgreedymathtrees
2800725
2006BIris and the Tree
brute forcedata structuresdfs and similardsumathtrees
18004.4k
2006EIris's Full Binary Tree
brute forcedata structuresdfs and similartrees
3100328
2002D1DFS Checker (Easy Version)
brute forcedata structuresdfs and similargraphshashingtrees
19005.2k
2002D2DFS Checker (Hard Version)
binary searchdata structuresdfs and similargraphshashingtrees
23002.9k
1990E1Catch the Mole(Easy Version)
binary searchdata structuresdfs and similarinteractivetrees
25001.2k
1990E2Catch the Mole(Hard Version)
binary searchdata structuresdfs and similardivide and conquerinteractivetrees
26001.2k
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
1975EChain Queries
binary searchdata structuresdfs and similarimplementationtrees
21002.9k
1957F2Frequency Mismatch (Hard Version)
binary searchdata structuresdfs and similarhashingprobabilitiestrees
2700659
1940CBurenka and Pether
*specialdata structuresdfs and similardivide and conquerdsugraphssortingstrees
unrated44
1935FAndrey's Tree
binary searchconstructive algorithmsdata structuresdfs and similardsugreedyimplementationtrees
2800634
1929FSasha and the Wedding Binary Search Tree
brute forcecombinatoricsdata structuresdfs and similarmathtrees
23002.4k
1927FMicrocycle
data structuresdfs and similardsugraphsgreedyimplementationsortingstrees
19005.6k
1923ECount Paths
data structuresdfs and similardpdsugraphstrees
20005.3k
1916EHappy Life in University
data structuresdfs and similargreedytrees
23002.7k
1904ETree Queries
data structuresdfs and similargraphsimplementationtrees
25001.4k
1904FBeautiful Tree
data structuresdfs and similargraphsimplementationtrees
2800581
1902FTrees and XOR Queries Again
data structuresdfs and similardivide and conquergraphsimplementationmathtrees
24001.5k
1899GUnusual Entertainment
data structuresdfs and similardsushortest pathssortingstreestwo pointers
19004.1k
1891FA Growing Tree
data structuresdfs and similartrees
20004.9k
1878Gwxhtzdy ORO Tree
binary searchbitmasksbrute forcedata structuresdfs and similarimplementationtrees
23001.5k
1861CQueries for the Array
data structuresdfs and similarimplementationstringstrees
160012.5k
1859FTeleportation in Byteland
data structuresdfs and similardivide and conquergraphsshortest pathstrees
3200582
1858E1Rollbacks (Easy Version)
brute forcedata structuresdfs and similartrees
25001.7k
1844GTree Weights
bitmasksconstructive algorithmsdata structuresdfs and similarimplementationmathmatricesnumber theorytrees
30001.2k
1843F1Omsk Metro (simple version)
data structuresdfs and similardpgraphsgreedymathtrees
18006.5k
1843F2Omsk Metro (hard version)
data structuresdfs and similardivide and conquerdpmathtrees
23002.2k
1827DTwo Centroids
data structuresdfs and similargreedytrees
28001k
1824CLuoTianyi and XOR-Tree
data structuresdfs and similardpdsugreedytrees
25001.7k
1806ETree Master
brute forcedata structuresdfs and similartrees
22003.5k
1805EThere Should Be a Lot of Maximums
brute forcedata structuresdfs and similardptreestwo pointers
23002k
1797DLi Hua and Tree
brute forcedata structuresdfs and similardpimplementationtrees
19004.7k
1797FLi Hua and Path
data structuresdfs and similardivide and conquerdsutrees
3000666
1771DHossam and (sub-)palindromic tree
brute forcedata structuresdfs and similardpstringstrees
21003.3k
1763FEdge Queries
data structuresdfs and similardpdsugraphstrees
3000750
1749FDistance to the Path
data structuresdfs and similartrees
2800642
1740EHanging Hearts
constructive algorithmsdata structuresdfs and similardpgreedytrees
18005.1k
1739DReset K Edges
binary searchdata structuresdfs and similargraphsgreedytrees
19006.4k
1738DPermutation Addicts
constructive algorithmsdata structuresdfs and similardsugraphstrees
19003.8k
1714GPath Prefixes
binary searchdata structuresdfs and similartrees
17009.9k
1712FTriameter
binary searchdata structuresdfs and similartrees
3200508
1709EXOR Tree
bitmasksdata structuresdfs and similardsugreedytrees
24004.2k
1706EQpwoeirut and Vertices
binary searchdata structuresdfs and similardivide and conquerdsugreedytrees
23004k
1702G2Passable Paths (hard version)
data structuresdfs and similartrees
20006.1k
1681FUnique Occurrences
data structuresdfs and similardivide and conquerdpdsutrees
23002.4k
1654GSnowy Mountain
data structuresdfs and similargraphsgreedyshortest pathstrees
2900474
1648EAir Reform
data structuresdfs and similardivide and conquerdsugraphsimplementationtrees
3200601
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
1625E2Cats on the Upgrade (hard version)
binary searchdata structuresdfs and similargraphstrees
2800705
1623EMiddle Duplication
data structuresdfs and similargreedystringstrees
25001.3k
1615EPurple Crayon
data structuresdfs and similargamesgraphsgreedymathsortingstrees
24001.8k
1610HSquid Game
data structuresdfs and similargreedytrees
3100731
1608GAlphabetic Tree
binary searchdata structuresdfs and similarhashingstring suffix structuresstringstrees
3500300
1593EGardener and Tree
brute forcedata structuresdfs and similargreedyimplementationtrees
160015.1k
1585EFrequency Queries
data structuresdfs and similartrees
24001.2k
1535DPlayoff Tournament
data structuresdfs and similardpimplementationtrees
18008.6k
1528CTrees of Tranquillity
data structuresdfs and similargreedytrees
23003k
1521DNastia Plays with a Tree
constructive algorithmsdata structuresdfs and similardpdsugreedyimplementationtrees
25002.4k
1508CComplete the MST
bitmasksbrute forcedata structuresdfs and similardsugraphsgreedytrees
25001.8k
1508ETree Calendar
brute forceconstructive algorithmsdata structuresdfs and similarsortingstrees
3100453
1498FChristmas Game
bitmasksdata structuresdfs and similardpgamesmathtrees
25001.1k
1494DDogeforces
constructive algorithmsdata structuresdfs and similardivide and conquerdsugreedysortingstrees
23002.9k
1486FPairs of Paths
combinatoricsdata structuresdfs and similardptrees
2600875
1467EDistinctive Roots in a Tree
data structuresdfs and similardptrees
25001.8k
1452GGame On Tree
data structuresdfs and similargreedytrees
2700579
1403BSpring cleaning
*specialdata structuresdfs and similargraphstrees
2300437
1399E1Weights Division (easy version)
data structuresdfs and similargreedytrees
20006.4k
1388DCaptain Flint and Treasure
data structuresdfs and similargraphsgreedyimplementationtrees
20007k

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