Unable to understand question completely


  • 0
    V

    I am not able to understand why output for this is 2 and not 1? Won't it be single step from hot -> dot by mutating 'h' to 'd'? Please help me understanding this.
    "hot"
    "dot"
    ["hot","dot","dog"]


  • 0
    Q

    The output is actually the number of nodes in the ladder. So two nodes, one step.


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