Array: Difference between revisions
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sums (letters I. (~. reduced))} 26 # 0 NB. Alphabetize the sums, then return. |
sums (letters I. (~. reduced))} 26 # 0 NB. Alphabetize the sums, then return. |
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) |
) |
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==[[OCaml]]== |
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same task, open a text file and compute letter frequency |
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<ocaml>let () = |
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let ic = open_in Sys.argv.(1) in |
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let base = int_of_char 'a' in |
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let arr = Array.make 26 0 in |
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try while true do |
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let c = Char.lowercase(input_char ic) in |
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let ndx = int_of_char c - base in |
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if ndx < 26 && ndx >= 0 then |
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arr.(ndx) <- succ arr.(ndx) |
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done |
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with End_of_file -> |
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close_in ic; |
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for i=0 to 25 do |
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Printf.printf "%c -> %d\n" (char_of_int(i + base)) arr.(i) |
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done</ocaml> |
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==Computational metrics== |
==Computational metrics== |
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