fork download
copy 
  1. (ns challenge-0154.core
  2.   (:require [clojure.string :refer [trim join]]))
  3.  
  4. (def bracket-pairs {"(" ")", "{" "}", "[" "]"})
  5.  
  6. (def obrackets (apply hash-set (map first (keys bracket-pairs))))
  7.  
  8. (def cbrackets (apply hash-set (map first (vals bracket-pairs))))
  9.  
  10. (defn debracket [string]
  11.   (if-let [[_ before obracket in cbracket after] (re-find #"(.*?)([\[({])(.+)([\])}])(.*)" string)]
  12.     (if (= (bracket-pairs obracket) cbracket)
  13.       (join " " (map trim (remove (partial = "")[(debracket in) before after])))
  14.       (throw (RuntimeException. (format "Bracket mismatch: got '%s' but expected '%s'" cbracket (bracket-pairs obracket)))))
  15.     (if (some obrackets string)
  16.       (throw (RuntimeException. "Missing closing bracket"))
  17.       (if (some cbrackets string)
  18.         (throw (RuntimeException. "Missing opening bracket"))
  19.         string))))
  20.  
  21. (println (debracket (read-line)))
Runtime error #stdin #stdout #stderr 1.55s 389120KB
comments ()
stdin
copy 
((your[drink {remember to))) ovaltine)
stdout
copy 
Standard output is empty
stderr
copy 
Exception in thread "main" java.lang.RuntimeException: Bracket mismatch: got ')' but expected ']'
	at challenge_0154.core$debracket.invoke(prog.clj:14)
	at challenge_0154.core$debracket.invoke(prog.clj:13)
	at challenge_0154.core$debracket.invoke(prog.clj:13)
	at challenge_0154.core$eval14.invoke(prog.clj:21)
	at clojure.lang.Compiler.eval(Compiler.java:6618)
	at clojure.lang.Compiler.load(Compiler.java:7062)
	at clojure.lang.Compiler.loadFile(Compiler.java:7019)
	at clojure.main$load_script.invoke(main.clj:286)
	at clojure.main$script_opt.invoke(main.clj:348)
	at clojure.main$main$fn__6676.invoke(main.clj:432)
	at clojure.main$main.doInvoke(main.clj:429)
	at clojure.lang.RestFn.invoke(RestFn.java:408)
	at clojure.lang.Var.invoke(Var.java:415)
	at clojure.lang.AFn.applyToHelper(AFn.java:161)
	at clojure.lang.Var.applyTo(Var.java:532)
	at clojure.main.main(main.java:37)
https://ideone.com/fVMQj9
language:
Clojure (clojure 1.10.0)
created:
11 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!