A contribution by SeanWilliams

You are given an array of numbers and
must simplify the array by replacing ranges of 3 or more items with the
shorthand #-# equivalent and returning the result as a string, sorted
from lowest to highest


  • Auto-generated code below aims at helping you parse
  • the standard input according to the problem statement.

var N = readline();

// Write an action using print()
// To debug: printErr(‘Debug messages…’);

for( var i = 0; i < N.length; i++) {



Standard Output Stream:


Input is not array, input is string

The input is a string representing an array, what’s your point ?

String is not array.
In condition it is array, not a string.

fix this condition

You are given an array of numbers … where it is string ?

  Line 1: An array of digits to simplify and reduce.

where it is string ?

abnormal condition initially.
sort out with the type of data, please.

contradiction with the condition
decide this task is not interesting

Please post this puzzle in the right section. :wink:

1 Like

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  • danBhentschel

Also @AlexanderEvpak, stop spamming, you can edit a comment if you need to add more informations, comment again only to answer another user question.