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  1. Hash Tables: Ice Cream Parlor
  2. Discussions

Hash Tables: Ice Cream Parlor

  • citrusjuicebox
     + 0 comments

    Simple O(n) Python solution

        index = {}
    for i0, v in enumerate(cost):   # print diff if it exists
        if i1 := index.get(money - v): print(i1, i0 + 1)
        else: index[v] = i0 + 1     # else add value to index