• Challenges
  • Algorithms
  • You are searching for challenges with the tag: Facebook

    Array AdditionNot Completed

    Solutions: 4555 | Step-by-step solution | Challenge discussion

    Permutation StepNot Completed

    Solutions: 3401 | Step-by-step solution | Challenge discussion

    Intersecting LinesNot Completed

    Solutions: 585 | Step-by-step solution | Challenge discussion

    Look Say SequenceNot Completed

    Solutions: 1514 | Step-by-step solution | Challenge discussion

    Roman Numeral ReductionNot Completed

    Solutions: 108 | Step-by-step solution | Challenge discussion

    LCSNot Completed

    Solutions: 107 | Step-by-step solution | Challenge discussion

    Pascals TriangleNot Completed

    Solutions: 127 | Step-by-step solution | Challenge discussion

    Hamming DistanceNot Completed

    Solutions: 1888 | Step-by-step solution | Challenge discussion

    K Unique CharactersNot Completed

    Solutions: 499 | Step-by-step solution | Challenge discussion

    Maximal RectangleNot Completed

    Solutions: 55 | Step-by-step solution | Challenge discussion

    Symmetric TreeNot Completed

    Solutions: 314 | Step-by-step solution | Challenge discussion

    Tree ConstructorNot Completed

    Solutions: 325 | Step-by-step solution | Challenge discussion

    Two SumNot Completed

    Solutions: 2040 | Step-by-step solution | Challenge discussion

    Power Set CountNot Completed

    Solutions: 1129 | Step-by-step solution | Challenge discussion

    Food DistributionNot Completed

    Solutions: 716 | Step-by-step solution | Challenge discussion

    Min Window SubstringNot Completed

    Solutions: 175 | Step-by-step solution | Challenge discussion

    Three SumNot Completed

    Solutions: 813 | Step-by-step solution | Challenge discussion

    Histogram AreaNot Completed

    Solutions: 141 | Step-by-step solution | Challenge discussion

    Scale BalancingNot Completed

    Solutions: 2876 | Step-by-step solution | Challenge discussion

    Longest ConsecutiveNot Completed

    Solutions: 328 | Step-by-step solution | Challenge discussion

    String MergeNot Completed

    Solutions: 528 | Step-by-step solution | Challenge discussion

    Plus MinusNot Completed

    Solutions: 151 | Step-by-step solution | Challenge discussion

    Remove BracketsNot Completed

    Solutions: 523 | Step-by-step solution | Challenge discussion

    Difficulty

    Companies

    • Google 44
    • Facebook 23
    • Microsoft 21
    • Amazon 12

    Bootcamps

    • Hack Reactor 87
    • Fullstack Academy 87
    • Grace Hopper 87
    • App Academy 87
    • Codesmith 87

    All Tags

    • searching 102
    • array 71
    • string manipulation 64
    • math fundamentals 58
    • hash table 23
    • optimization 22
    • matrix 21
    • dynamic programming 20
    • recursion 13
    • regular expression 13
    • game 10
    • algebra 10
    • graph 9
    • combinatorics 9
    • sorting 8
    • sequences 7
    • stack 7
    • encoding 6
    • chess 5
    • binary tree 5
    • geometry 4
    • linear algebra 4
    • prime numbers 4
    • set theory 3
    • heap 3
    • bitwise operation 2
    • cache 1