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  1. process.stdin.resume();
  2. process.stdin.setEncoding('utf8');
  3.  
  4. // your code goes here
  5. function linesGetter() {
  6.     var partial = ""
  7.     return function(chunk) {
  8.         var lines = (partial + chunk.toString()).split('\n')
  9.         partial = lines.pop()
  10.         return lines
  11.     }
  12. }
  13. function flatMap(f, xs) {
  14.     return xs.reduce(function(acc, x, _, _) { return acc.concat(f(x)) }, [])
  15. }
  16. function uniqFilter() {
  17.     var seen = {}
  18.     return function(xs) {
  19.         return xs.filter(function(x, _, _) {
  20.             return (x in seen) ? false : (seen[x] = true)
  21.         })
  22.     }
  23. }
  24. function main() {
  25.     var getlines = linesGetter()
  26.     var uniq = uniqFilter()
  27.     process.stdin.on('data', function(chunk) {
  28.         var words = flatMap(function(x) { return x.match(/\S+/g) || [] },
  29.                             getlines(chunk))
  30.         uniq(words).forEach(function(x, _, _) { console.log(x) })
  31.     })
  32. }
  33. main()
  34.  
Success #stdin #stdout 0.06s 11184KB
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Standard input is empty
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Standard output is empty
https://ideone.com/j8ScZa
language:
Node.js (node 11.12.0)
created:
11 years ago
visibility:
public

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