백준 1141 nodejs

https://www.acmicpc.net/problem/1141

const fs = require('fs')
const input = fs.readFileSync('/dev/stdin').toString().trim().split('\n')

const N = Number(input.shift())
input.sort((a, b) => b.length - a.length) //단어 길이 역순 정렬
const output = []
for (const str of input)
  if (output.every(e => e.indexOf(str) !== 0)) output.push(str) 
  // 접두사 check
console.log(output.length)