<pre class="shiki github-dark shaku"><code>const romans = new Map();romans.set(1000, 'M');romans.set(900, 'CM');romans.set(500, 'D');romans.set(400, 'CD');romans.set(100, 'C');romans.set(90, 'XC');romans.set(50, 'L');romans.set(40, 'XL');romans.set(10, 'X');romans.set(9, 'IX');romans.set(5, 'V');romans.set(4, 'IV');romans.set(1, 'I');/** * @param {number} integer * @returns {string} str - roman numeral string */function integerToRoman(num) { let result = ''; let data = num + 1; romans.forEach((value, key) =&gt; { while (data / key &gt; 1) { result += value; data -= key; } }); return result;}</code></pre>

> This is reverse of 133. roman numerals to integer Roman numerals are represented by combinations of following seven symbols, each with a fixed integ…