solved: 66. Plus One

Signed-off-by: rajput-hemant <[email protected]>

Author: rajput-hemant

Diff for: src/0001-0100/066 - Plus One/solution.py

@@ -0,0 +1,14 @@
+class Solution:
+    def plusOne(self, digits: list[int]) -> list[int]:
+        carry = 0
+        for i in range(len(digits) - 1, -1, -1):
+            if i == len(digits) - 1:
+                digits[i] += 1
+
+            digits[i] += carry
+            carry = digits[i] // 10
+            digits[i] %= 10
+
+        if carry:
+            digits.insert(0, carry)
+        return digits