Frequency Counting
6 min · Elixir examples
Use a dictionary to count how many times each value appears.
Elixir · Frequency Counting0/5 cleared
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Many problems boil down to "how often does each thing show up?" A plain Map is perfect: keys are the items, values are counts.
Increment with Map.update(counts, x, 1, &(&1 + 1)) as you scan the input once.
You
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Ln 1, Col 1Spaces: 4
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