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96 problems · filtered by 3 tags

✓#Name✎Rating↕Solved↕
2242FSummer Vacation
data structuresdpprobabilitiestrees
2700385
2229EDeconstruction Tree
combinatoricsdata structuresdpgraphstrees
21002k
2206DChristmas Tree Un-decoration
data structuresdptrees
2600322
2205DSimons and Beating Peaks
data structuresdivide and conquerdpgreedyimplementationtrees
17005.6k
2195GIdiot First Search and Queries
binary searchdata structuresdpgraphstrees
23001.2k
2194F2Again Trees... (hard version)
bitmasksdata structuresdfs and similardpffttrees
3000223
2189FZhora the Vacuum Cleaner
data structuresdfs and similardpgreedyimplementationsortingstrees
2800254
2182GShort Garland
combinatoricsdata structuresdfs and similardptrees
2800383
2176ERemove at the lowest cost
data structuresdfs and similardpdsugreedyimplementationtrees
24001.3k
2174DSecret Message
data structuresdpgreedytrees
3400317
2171DRae Taylor and Trees (easy version)
binary searchdata structuresdpdsugreedyimplementationtrees
140012.3k
2171FRae Taylor and Trees (hard version)
binary searchconstructive algorithmsdata structuresdpdsugreedyimplementationtrees
16007.6k
2164F2Chain Prefix Rank (Hard Version)
binary searchcombinatoricsdata structuresdfs and similardpgraphsmathtrees
2900648
2101EKia Bakes a Cake
data structuresdpgreedytrees
31002k
2071CTrapmigiano Reggiano
constructive algorithmsdata structuresdfs and similardpgreedysortingstrees
17009.9k
2064DEating
binary searchbitmasksbrute forcedata structuresdpgreedytreestwo pointers
19006k
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
2048FKevin and Math Class
brute forcedata structuresdivide and conquerdpimplementationmathtrees
25001.3k
2033GSakurako and Chefir
data structuresdfs and similardpgreedytrees
22002k
2031EPenchick and Chloe's Trees
data structuresdfs and similardpgreedyimplementationmathsortingstrees
21002.8k
2026FBermart Ice Cream
data structuresdfs and similardivide and conquerdpimplementationtrees
2700413
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
2013F1Game in Tree (Easy Version)
binary searchbrute forcedata structuresdpgamesgreedyimplementationtrees
2700679
1981FTurtle and Paths on a Tree
data structuresdptrees
3000358
1976FRemove Bridges
data structuresdfs and similardpgreedysortingstrees
2800893
1967CFenwick Tree
bitmasksbrute forcecombinatoricsdata structuresdpmathtrees
23002.3k
1942HFarmer John's Favorite Intern
data structuresdpflowstrees
3500262
1930GPrefix Max Set Counting
data structuresdptrees
3100531
1923ECount Paths
data structuresdfs and similardpdsugraphstrees
20005.3k
1913DArray Collapse
data structuresdivide and conquerdptrees
21004.3k
1889FDoremy's Average Tree
data structuresdpgreedytrees
3500208
1876EBall-Stackable
constructive algorithmsdata structuresdptrees
3300373
1866KKeen Tree Calculation
binary searchdata structuresdpgeometrygraphsimplementationtrees
2500585
1843F1Omsk Metro (simple version)
data structuresdfs and similardpgraphsgreedymathtrees
18006.5k
1843F2Omsk Metro (hard version)
data structuresdfs and similardivide and conquerdpmathtrees
23002.2k
1824CLuoTianyi and XOR-Tree
data structuresdfs and similardpdsugreedytrees
25001.7k
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
1794ELabeling the Tree with Distances
data structuresdpgreedyhashingimplementationtrees
24001.6k
1774GSegment Covering
brute forcecombinatoricsconstructive algorithmsdata structuresdptrees
3200692
1771DHossam and (sub-)palindromic tree
brute forcedata structuresdfs and similardpstringstrees
21003.3k
1763FEdge Queries
data structuresdfs and similardpdsugraphstrees
3000750
1748EYet Another Array Counting Problem
binary searchdata structuresdivide and conquerdpflowsmathtrees
23002.8k
1740EHanging Hearts
constructive algorithmsdata structuresdfs and similardpgreedytrees
18005.1k
1725EElectrical Efficiency
combinatoricsdata structuresdpmathnumber theorytrees
2500640
1720D2Xor-Subsequence (hard version)
bitmasksdata structuresdpstringstrees
24002.3k
1681FUnique Occurrences
data structuresdfs and similardivide and conquerdpdsutrees
23002.4k
1661ENarrow Components
brute forcedata structuresdpdsumathtrees
25001.2k
1625E1Cats on the Upgrade (easy version)
brute forcedata structuresdfs and similardivide and conquerdpgraphstrees
25001.2k
1535DPlayoff Tournament
data structuresdfs and similardpimplementationtrees
18008.6k
1535EGold Transfer
binary searchdata structuresdpgreedyinteractivetrees
22003.1k
1521DNastia Plays with a Tree
constructive algorithmsdata structuresdfs and similardpdsugreedyimplementationtrees
25002.4k
1498FChristmas Game
bitmasksdata structuresdfs and similardpgamesmathtrees
25001.1k
1495FSquares
constructive algorithmsdata structuresdpgraphstrees
3300533
1486FPairs of Paths
combinatoricsdata structuresdfs and similardptrees
2600875
1467EDistinctive Roots in a Tree
data structuresdfs and similardptrees
25001.8k
1446CXor Tree
binary searchbitmasksdata structuresdivide and conquerdptrees
21004.2k
1416CXOR Inverse
bitmasksdata structuresdivide and conquerdpgreedymathsortingsstringstrees
20005.2k
1320ETreeland and Viruses
data structuresdfs and similardpshortest pathstrees
30001.1k
1285EDelete a Segment
brute forceconstructive algorithmsdata structuresdpgraphssortingstreestwo pointers
23002k
1263FEconomic Difficulties
data structuresdfs and similardpflowsgraphstrees
2400982
1252DFind String in a Grid
data structuresdpstringstrees
3000496
1193BMagic Tree
*specialdata structuresdptrees
unrated510
1179DFedor Runs for President
data structuresdptrees
27001.1k
1175EMinimal Segment Cover
data structuresdfs and similardivide and conquerdpgreedyimplementationtrees
22004.7k
1142BLynyrd Skynyrd
data structuresdfs and similardpmathtrees
20004k
1132GGreedy Subsequences
data structuresdptrees
24001.3k
1119FNiyaz and Small Degrees
data structuresdptrees
3400964
1111ETree
data structuresdfs and similardpgraphstrees
25001.2k
1101DGCD Counting
data structuresdfs and similardpnumber theorytrees
20005.5k
1099FCookies
binary searchdata structuresdfs and similardpgamestrees
24001.1k
1083AThe Fair Nut and the Best Path
data structuresdptrees
18006.4k
1059ESplit the Tree
binary searchdata structuresdpgreedytrees
24001.7k
1039DYou Are Given a Tree
data structuresdptrees
28002.4k
1004ESonya and Ice Cream
binary searchdata structuresdpgreedyshortest pathstrees
24001.3k
1000GTwo-Paths
data structuresdptrees
2700792
979DKuro and GCD and XOR and SUM
binary searchbitmasksbrute forcedata structuresdpdsugreedymathnumber theorystringstrees
22002.3k
965EShort Code
data structuresdpgreedystringstrees
22002k
796CBank Hacking
constructive algorithmsdata structuresdptrees
19003.2k
766EMahmoud and a xor trip
bitmasksconstructive algorithmsdata structuresdfs and similardpmathtrees
21003.6k
708CCentroids
data structuresdfs and similardpgraphsgreedytrees
23004.5k
685BKay and Snowflake
data structuresdfs and similardptrees
19005.6k
629EFamil Door and Roads
combinatoricsdata structuresdfs and similardpprobabilitiestrees
23001.2k
557EAnn and Half-Palindrome
data structuresdpgraphsstring suffix structuresstringstrees
23001.3k
519EA and B and Lecture Rooms
binary searchdata structuresdfs and similardptrees
21008.9k
494DBirthday
data structuresdfs and similardptrees
2700712
490FTreeland Tour
data structuresdfs and similardptrees
22002k
474EPillars
binary searchdata structuresdpsortingstrees
20004.4k
374DInna and Sequence
binary searchdata structuresdptrees
20001k
231ECactus
data structuresdfs and similardpgraphstrees
21002.4k
163Ee-Government
data structuresdfs and similardpstringstrees
28002.3k
75DBig Maximum Sum
data structuresdpgreedyimplementationmathtrees
20002.1k

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