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2,031 problems · filtered by 1 tag

✓#Name✎Rating↕Solved↕
981GMagic multisets
data structures
2500844
981HK Paths
combinatoricsdata structuresdpfftmath
3100453
980EThe Number Games
data structuresgreedytrees
22002.4k
979DKuro and GCD and XOR and SUM
binary searchbitmasksbrute forcedata structuresdpdsugreedymathnumber theorystringstrees
22002.3k
978FMentors
binary searchdata structuresimplementation
15009.3k
965EShort Code
data structuresdpgreedystringstrees
22002k
962DMerge Equals
data structuresimplementation
16007.4k
962GVisible Black Areas
data structuresdsugeometrytrees
2800254
961BLecture Sleep
data structuresdpimplementationtwo pointers
120027.1k
961ETufurama
data structures
19004.3k
960BMinimize the error
data structuresgreedysortings
150013.1k
960FPathwalks
data structuresdpgraphs
21003.5k
960HSanta's Gift
data structurestrees
3100481
958B2Maximum Control (medium)
data structuresdfs and similargraphsgreedytrees
2200766
958C3Encryption (hard)
data structuresdp
2500782
954GCastle Defense
binary searchdata structuresgreedytwo pointers
20002.5k
946GAlmost Increasing Array
data structuresdp
2500839
940ECashback
data structuresdpgreedymath
20004.5k
940FMachine Learning
brute forcedata structures
26003.6k
939FCutlet
data structuresdp
24001.3k
938DBuy a Ticket
data structuresgraphsshortest paths
20007.4k
938GShortest Path Queries
bitmasksdata structuresdsugraphs
29001.2k
936EIqea
data structuresdfs and similardivide and conquerdsushortest pathstrees
3400261
935FFafa and Array
data structuresgreedy
2600511
932BRecursive Queries
binary searchdata structuresdfs and similar
13009.4k
932FEscape Through Leaf
data structuresdpgeometry
27004.3k
930CTeodor is not a liar!
data structuresdp
19002.4k
930DGame with Tokens
data structuresgamesimplementation
2500464
930ECoins Exhibition
data structuresdpmath
2900553
926EMerge Equal Elements
constructive algorithmsdata structures
19001.1k
926JSegments
data structures
2100651
925EMay Holidays
data structurestrees
2900580
924CRiverside Curio
data structuresdpgreedy
17004.3k
923BProducing Snow
binary searchdata structures
16007.8k
923CPerfect Security
data structuresgreedystringstrees
18004.8k
920EConnected Components?
data structuresdfs and similardsugraphs
21008k
920FSUM and REPLACE
brute forcedata structuresdsunumber theory
20009k
917EUpside Down
data structuresstring suffix structuresstringstrees
3400195
916DJamie and To-do List
data structuresinteractivetrees
2200596
916EJamie and Tree
data structurestrees
24002.2k
915EPhysical Education Lessons
data structuresimplementationsortings
23005.8k
915FImbalance Value of a Tree
data structuresdsugraphstrees
24003.2k
914DBash and a Tough Math Puzzle
data structuresnumber theory
19006.6k
914EPalindromes in a Tree
bitmasksdata structuresdivide and conquertrees
24002k
914FSubstrings in a String
bitmasksbrute forcedata structuresstring suffix structuresstrings
30002.6k
913DToo Easy Problems
binary searchbrute forcedata structuresgreedysortings
18005.2k
912DFishes
data structuresgraphsgreedyprobabilitiesshortest paths
21002.2k
911EStack Sorting
constructive algorithmsdata structuresgreedyimplementation
20002.9k
911GMass Change Queries
data structures
25004k
909DColorful Points
data structuresgreedyimplementation
21002.2k
903DAlmost Difference
data structuresmath
22004.5k
903GYet Another Maxflow Problem
data structuresflowsgraphs
2700762
901CBipartite Segments
binary searchdata structuresdfs and similardsugraphstwo pointers
23001.3k
900CRemove Extra One
brute forcedata structuresmath
17005k
900EMaximum Questions
data structuresdpstrings
21001.4k
899ESegments Removal
data structuresdsuflowsimplementationtwo pointers
20003.6k
899FLetters Removing
data structuresstrings
21002.1k
896CWillem, Chtholly and Seniorious
data structuresprobabilities
26004.6k
896EWelcome home, Chtholly
data structuresdsu
31002.5k
895EEyes Closed
data structuresprobabilities
23001.3k
894DRalph And His Tour in Binary Country
brute forcedata structurestrees
22001.2k
893DCredit Card
data structuresdpgreedyimplementation
19003.4k
893FSubtree Minimum Query
data structurestrees
23002.6k
891CEnvy
data structuresdsugraphs
23003.1k
888GXor-MST
bitmasksconstructive algorithmsdata structures
23006.1k
887DRatings and Reality Shows
data structurestwo pointers
2400573
884DBoxes And Balls
data structuresgreedy
23002.3k
883LBerland.Taxi
data structures
2500312
879BTable Tennis
data structuresimplementation
120014.7k
878BTeams Formation
data structuresimplementation
23001.1k
878CTournament
data structuresgraphs
27001.1k
877DOlya and Energy Drinks
data structuresdfs and similargraphsshortest paths
21005.3k
877EDanil and a Part-time Job
bitmasksdata structurestrees
20005.8k
877FAnn and Books
data structuresflowshashing
23002.4k
875DHigh Cry
binary searchbitmaskscombinatoricsdata structuresdivide and conquer
22002.6k
875EDelivery Club
binary searchdata structuresdp
26001k
873EAwards For Contestants
brute forcedata structuresdp
2300817
870FPaths
data structuresnumber theory
2700730
869EThe Untended Antiquity
data structureshashing
24002.3k
865DBuy Low Sell High
constructive algorithmsdata structuresgreedy
24008.5k
863DYet Another Array Queries Problem
data structuresimplementation
18003.9k
863ETurn Off The TV
data structuressortings
20004.3k
862EMahmoud and Ehab and the function
binary searchdata structuressortings
21002.3k
862FMahmoud and Ehab and the final stage
data structuresstrings
2900290
860EArkady and a Nobody-men
data structuresdfs and similartrees
2700554
858DPolycarp's phone book
data structuresimplementationsortings
16004.2k
855BMarvolo Gaunt's Ring
brute forcedata structuresdp
150010k
855FNagini
binary searchdata structures
3100668
853CBoredom
data structures
21001.9k
853ELada Malina
data structuresgeometry
340086
848BRooter's Song
constructive algorithmsdata structuresgeometryimplementationsortingstwo pointers
19002k
848CGoodbye Souvenir
data structuresdivide and conquer
26001.7k
847BPreparing for Merge Sort
binary searchdata structures
16006.5k
847DDog Show
constructive algorithmsdata structuresgreedy
22001.4k
846CFour Segments
brute forcedata structuresdp
18003k
846DMonitor
binary searchdata structures
19002.9k
846FRandom Query
data structuresmathprobabilitiestwo pointers
18002.7k
845CTwo TVs
data structuresgreedysortings
150014.6k
845DDriving Test
data structuresdpgreedy
18002.6k
845EFire in the City
binary searchdata structures
2400712

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