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Add Two Numbers
题目如下:
Python代码:
# Definition for singly-linked list.class ListNode(object): def __init__(self, x): self.val = x self.next = Noneclass Solution(object): def addTwoNumbers(self, l1, l2): """ :type l1: ListNode :type l2: ListNode :rtype: ListNode """ head = ListNode(1) current = ListNode(1) head.next = current flag = 0 while l1!=None and l2!=None: sum = l1.val+l2.val+flag if sum<10: flag = 0 current.next = ListNode(sum) else: flag = 1 current.next = ListNode(sum-10) current = current.next l1 = l1.next l2 = l2.next if l1==None and l2!=None: print "in" while l2!=None: if flag==0: current.next = ListNode(l2.val) else: if l2.val+1<10: flag = 0 current.next = ListNode(l2.val+1) else: flag = 1 current.next = ListNode(l2.val-9) l2 = l2.next current = current.next if l1!=None and l2==None: print "out" while l1!=None: if flag==0: current.next = ListNode(l1.val) else: if l1.val+1<10: flag = 0 current.next = ListNode(l1.val+1) else: flag = 1 current.next = ListNode(l1.val-9) l1 = l1.next current=current.next if flag == 1: current.next = ListNode(1) return head.next.nexta = ListNode(1)b = ListNode(9)b.next = ListNode(9)c = Solution()c.addTwoNumbers(a,b)
Add Two Numbers
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