Create di-string-match.py

Author: kamyu104

Python/di-string-match.py

@@ -0,0 +1,20 @@
+# Time:  O(n)
+# Space: O(1)
+
+class Solution(object):
+    def diStringMatch(self, S):
+        """
+        :type S: str
+        :rtype: List[int]
+        """
+        result = []
+        left, right = 0, len(S)
+        for c in S:
+            if c == 'I':
+                result.append(left)
+                left += 1
+            else:
+                result.append(right)
+                right -= 1
+        result.append(left)
+        return result