✨ [9] Palindrome Number

Author: enkr1

9/my_solution.js

@@ -0,0 +1,28 @@
+/**
+ * @param {number} x
+ * @return {boolean}
+ */
+const isPalindrome = (x) => {
+  x = x.toString();
+  let length = x.length, processedNum = "#";
+
+  for (let i = 0; i < x.length; i++) {
+    processedNum += x[i] + "#";
+  }
+
+  console.log(length);
+  // console.log(processedNum);
+  // console.log(processedNum.length);
+  // console.log(Math.ceil(processedNum.length / 2));
+
+  // while ()
+  for (let i = 0; i < processedNum.length; i++) {
+    console.log(`${processedNum[i]} ===? ${processedNum[processedNum.length - 1 - i]}`)
+    if (processedNum[i] !== processedNum[processedNum.length - 1 - i]) return false;
+  }
+
+  return true;
+};
+
+let x = isPalindrome(121);
+console.log(x);

9/solution.js

@@ -0,0 +1,18 @@
+/**
+ * @param {number} x
+ * @return {boolean}
+ */
+const isPalindrome = (x) => {
+  x = x.toString();
+  let processedNum = "#";
+
+  for (let i = 0; i < x.length; i++) {
+    processedNum += x[i] + "#";
+  }
+
+  for (let i = 0; i < processedNum.length; i++) {
+    if (processedNum[i] !== processedNum[processedNum.length - 1 - i]) return false;
+  }
+
+  return true;
+};

README.md

@@ -17,6 +17,7 @@
 - [4. Median of Two Sorted Arrays](./4/)
 - [5. Longest Palindromic Substring](./5/)
 - [7. Generate Parentheses](./7/)
+- [9. Palindrome Number](./9/)
 - [11. Container With Most Water](./11/)
 - [15. 3Sum](./15/)
 - [19. Remove Nth Node From End of List](./19/)