Explore the problems
451–480 of 6,362 problems
OddCycleDetector
Graph Theory
BiddingWars
Graph Theory, Math
SlowSequence
Greedy, Simple Math
RowAcross
Greedy, Simple Math, Simple Search, Iteration, Simulation
MarioJumper
Graph Theory, Simple Search, Iteration
Parabola
Brute Force, Sorting
BicycleLock
Brute Force, Simple Search, Iteration
CannonballPyramids
Dynamic Programming, Greedy, Math
EllysBlood
Greedy
EllysIncinerator
Geometry, Search
PalindromicSubsequences
Dynamic Programming
TheSocialNetwork
Brute Force
TaleOfTwoSquares
Brute Force, Greedy, Math, Sorting
ProposalOptimization
Brute Force
BobtheBuilder
Brute Force
AlicesBirthday
Brute Force
BasePlacement
Dynamic Programming
StringsBetween
Dynamic Programming, Recursion, Simple Math, Simple Search, Iteration, String Manipulation
TapeMeasure
Simple Math, Simple Search, Iteration, String Manipulation
ThreeDigits
Math
FollowingNim
Dynamic Programming, Search
HorseRacing
Brute Force
BridgesAndCutVertices
Graph Theory, Math
PerfectSquares
Math
NextOlympics
Simulation, String Parsing
StarsInTheSky
Brute Force, Encryption/Compression, Geometry
ParkPlace
Advanced Math, Graph Theory
SquareCityWalking
Brute Force, Dynamic Programming, Math, Recursion
RailwayMaster
Graph Theory, Greedy
SoccerStadium
Graph Theory, Greedy