203. Remove Linked List Elements
2016-12-01 本文已影响0人
我是你的果果呀
Remove all elements from a linked list of integers that have valueval.
Example
Given:1 --> 2 --> 6 --> 3 --> 4 --> 5 --> 6,val= 6
Return:1 --> 2 --> 3 --> 4 --> 5
边界值检查总是有问题, 郁闷!
要判断pre == null的情况!!!