題目

Remove all elements from a linked list of integers that have value val.

Example Given: 1 –> 2 –> 6 –> 3 –> 4 –> 5 –> 6, val = 6 Return: 1 –> 2 –> 3 –> 4 –> 5

Credits: Special thanks to @mithmatt for adding this PRoblem and creating all test cases.

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思路

遍歷鏈表刪除對應節點，注意刪除首節點，尾節點，最后刪除后為NULL的場景

代碼