提交作业

Author: yuanxiao

Week_01/id_95/DeleteDuplicateValues.py

@@ -0,0 +1,27 @@
+# Definition for singly-linked list.
+class ListNode(object):
+
+    def __init__(self, x):
+        self.val = x
+        self.next = None
+
+
+class Solution(object):
+
+    def deleteDuplicates(self, head):
+
+        current = head
+        if current is None:
+            return head
+        while current.next is not None:
+            if current.val == current.next.val:
+                if current.next.next is not None:
+                    current.next = current.next.next
+                    # current = current.next
+                else:
+                    current.next = None
+            else:
+                current = current.next
+        return head
+
+

Week_01/id_95/sortArrayByParity.py

@@ -0,0 +1,32 @@
+class Solution(object):
+    def sortArrayByParity(self, A):
+        left = 0
+        right = len(A)-1
+        middle = int((right+left)/2)
+        print ("中间值",middle)
+        while(left<right):
+
+            if (A[left]%2) == 0:
+                left += 1
+            elif (A[left]%2) != 0 :
+
+                tmp = A[right]
+                A[right] = A[left]
+                A[left] = tmp
+
+                right = right - 1
+                # left = left + 1
+        return A
+
+
+
+if __name__=="__main__":
+    A = [1,0,3]
+    array = Solution()
+    print (array.sortArrayByParity(A))
+
+
+
+
+
+