Beat 70.1% in Runtime, 65.61% in memory

Author: ngocquanai

171. Excel Sheet Column Number.py

@@ -0,0 +1,13 @@
+class Solution:
+    def titleToNumber(self, columnTitle: str) -> int:
+        n = len(columnTitle)
+        ans = 0
+        for multi_ele in range(n - 1, -1, -1):
+            ans += 26**multi_ele * (
+                ord(columnTitle[n - 1 - multi_ele]) - ord("A") + 1
+            )
+        # multi_ele = [i for i in range(n-1, -1, -1)]
+        # values = [ord(i) - ord("A") + 1 for i in columnTitle]
+
+        # return sum([26**x * y for x, y in zip(multi_ele, values)])
+        return ans