Explore the problems
301–330 of 6,362 problems
DistinctStrings
Brute Force, Recursion, Simple Math, Simple Search, Iteration
JoinAClub
Brute Force, Graph Theory
WatchedSnail
Greedy, Math, Simulation, Sorting
BiggestDuplicate
Sorting
LinearSignals
Brute Force
SlowTerrain
Graph Theory, Search
RectangleBreaking
Advanced Math, Dynamic Programming
TruckUnion
Dynamic Programming, Graph Theory
LunchLine
Greedy, Simulation
OptimalGolf
Geometry, Simple Math
SimilarDNA
Brute Force, Dynamic Programming, Greedy
IOIWeirdModel1
Math, Sorting
IOIVoting
Graph Theory
IOIWeirdModel2
Math, Simple Search, Iteration
IOIGuaranteedPlace
Simple Math, Sorting
IOISureWinner
Dynamic Programming
Flagpole
Brute Force, Dynamic Programming, Search, Sorting
DistancesBetweenNumbers
Graph Theory, Math
ContainsItsAverage
Simple Math, Simple Search, Iteration
HangmanHelper
Brute Force, Simple Search, Iteration, String Manipulation
SevenSegmentDisplayNim
Advanced Math, Dynamic Programming, Recursion
MostSubstrings
Dynamic Programming
TransposeColors
Recursion, Simple Search, Iteration
LimitedDifferences
Greedy, Simple Math, Sorting
SudokuTypo
Brute Force, Simple Math
LongestPalindrome
String Manipulation
PickTwoCards
Math
PointsInAPlane
Geometry, Math
TwoGalaxies
Geometry, Graph Theory
CubeTower
Greedy, Simple Math