<pre><code>function removeChars(input) {
  const stack = []

  for (let i = 0; i &lt; input.length; i++) {
    const character = input[i]
    if (stack.length &amp;&amp; character === 'c' &amp;&amp; stack[stack.length - 1] === 'a') {
      stack.pop()
    } else if (character !== 'b') {
      stack.push(character)
    }
  }

  return stack.join('')
}
</code></pre>

Accepted Solution using Stack

Given a string contaning only a, b and c, remove all b and ac. removeChars('ab') // 'a'removeChars('abc') // ''removeChars('cabbaabcca') // 'caa' > Wh…