Create spiralMatrix.py

Author: kanglicheng

Kangli/Arrays/spiralMatrix.py

@@ -0,0 +1,30 @@
+class Solution(object):
+    def spiralOrder(self, matrix):
+        if not matrix or not matrix[0]:
+            return []
+        res = []
+        colBegin, colEnd, rowBegin, rowEnd = 0, len(matrix[0])-1, 0, len(matrix)-1
+
+        while colBegin <= colEnd and rowBegin <= rowEnd:
+            for i in range(colBegin, colEnd+1):
+                res.append(matrix[rowBegin][i])
+            rowBegin += 1
+
+            for i in range(rowBegin, rowEnd+1):
+                res.append(matrix[i][colEnd])
+            colEnd -= 1
+            if rowBegin <= rowEnd:
+                for i in range(colEnd, colBegin-1, -1):
+                    res.append(matrix[rowEnd][i])
+            rowEnd -= 1 
+            
+            if colBegin <= colEnd:
+                for i in range(rowEnd, rowBegin-1, -1):
+                    res.append(matrix[i][colBegin])
+            colBegin += 1 
+
+        return res
+
+                
+            
+