feat: Solve colorful number

  - InterviewBit

Author: brianr482

colorful-number.js

@@ -0,0 +1,45 @@
+/**
+ * InterviewBit
+ * For Given Number N find if its COLORFUL number or not
+ * 
+ * This solution got 60 points
+ * Problem link: https://www.interviewbit.com/problems/colorful-number
+ */
+
+/**
+ * Check if a number is colorful
+ * @param {number} A Number to be checked
+ */
+function colorful(A) {
+  const digits = getDigits(A);
+  const prods = new Set();
+  let chunkSize = 1;
+  while (chunkSize <= digits.length) {
+      let i = 0;
+      while(i + chunkSize <= digits.length) {
+          const getProd = digits.slice(i, i + chunkSize)
+              .reduce((a, b) => a * b, 1);
+          if (prods.has(getProd)) {
+              return 0;
+          } else {
+              prods.add(getProd);
+          }
+          i++;
+      }
+      chunkSize++;
+  }
+  return 1;
+}
+
+/**
+ * Get digits of a numnber
+ * @param {number} n Number to be decomposed 
+ */
+function getDigits(n) {
+  const digits = [];
+  while (n > 0) {
+      digits.push(n % 10)
+      n = parseInt(n / 10);
+  }
+  return digits;
+}