Explore the problems
391–420 of 6,362 problems
CoolPairs
Dynamic Programming, Greedy
CoolPairsEasy
Brute Force
PlanningTrips
Brute Force, Math
RaceCircuit
Dynamic Programming
SyllableCountEstimator
Simple Search, Iteration, String Manipulation
LogiciansAndBeer
Simple Math
ExpectedValue
Dynamic Programming, Math, Recursion, Sorting
SuperSubset
Dynamic Programming, Math, Recursion
PairedMultiples
Math, Simple Search, Iteration
FriendFinder
Geometry
MarbleDrawGame
Advanced Math
RollMe
Advanced Math, Dynamic Programming
FlightPlan
Graph Theory
ReturnedKnight
Advanced Math, Graph Theory
BuyOneGetOneFree
Brute Force, Greedy, Sorting
OrganicChemistry
Graph Theory, Simple Math
ChristmasSnake
Graph Theory, Simple Math, Simulation
ChristmasLightsFixing
Dynamic Programming, Math, Sorting
ChristmasBatteries
Brute Force, Dynamic Programming, Greedy
ChristmasCrackerHappiness
Greedy, Simple Math, Simulation
ChristmasTwins
Brute Force, Graph Theory, Math
NRooksPosition
Greedy, Sorting
AtLeastKDays
Dynamic Programming, Graph Theory
DivideLoot
Greedy, Simple Math, Simple Search, Iteration, Sorting
VertexMove
Geometry
DiscountedShortestPaths
Graph Theory, Greedy
FloodFill
Math, Search, Simulation, Sorting
FakeReportData
Simple Math, Simple Search, Iteration
RearrangePages
Greedy, Simple Math
IslandInALake
Graph Theory, Search