Create neither-minimum-nor-maximum.py

Author: kamyu104

Python/neither-minimum-nor-maximum.py

@@ -0,0 +1,35 @@
+# Time:  O(n)
+# Space: O(1)
+
+# one pass, array
+class Solution(object):
+    def findNonMinOrMax(self, nums):
+        """
+        :type nums: List[int]
+        :rtype: int
+        """
+        mx, mn = float("-inf"), float("inf")
+        result = -1
+        for x in nums:
+            if mn < x < mx:
+                return x
+            if x < mn:
+                result = mn
+                mn = x
+            if x > mx:
+                result = mx
+                mx = x
+        return result if mn < result < mx else -1
+
+
+# Time:  O(n)
+# Space: O(1)
+# array
+class Solution2(object):
+    def findNonMinOrMax(self, nums):
+        """
+        :type nums: List[int]
+        :rtype: int
+        """
+        mx, mn = max(nums), min(nums)
+        return next((x for x in nums if x not in (mx, mn)), -1)