<pre class="shiki github-dark shaku"><code>/** * @param {string} input * @returns string */function removeChars(input) { let res = ''; for(let i = 0; i&lt;input.length; i++) { if(input[i] === 'b') continue; if(input[i] === 'c' &amp;&amp; res.length &gt; 0 &amp;&amp; res[res.length-1] === 'a') { res = res.slice(0, res.length-1); } else { res+= input[i]; } } return res;}</code></pre>

Simple solution

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