Create Longest_Palindrome.py

Author: Ram-95

Leetcode_30day_challenge/Longest_Palindrome.py

@@ -0,0 +1,16 @@
+# Solution - 1 | Time: O(N) and Space: O(N)
+from collections import Counter
+class Solution:
+    def longestPalindrome(self, s: str) -> int:
+        c = Counter(s)
+        ans = 0
+        
+        for i in c.values():
+            if ans % 2 == 1: # If odd
+                if i % 2 == 0:  # If i is even, then it can be added
+                    ans += i
+                else:   # If i is odd, then (odd-1) which is even should be added
+                    ans += i-1
+            else:   #If even, either odd or even can be added.
+                ans += i
+        return ans