Daily Coding Problem: Problem #1539 [Easy]

Good morning! Here's your coding interview problem for today.

This problem was asked by Amazon.

Given a linked list, remove all consecutive nodes that sum to zero. Print out the remaining nodes.

For example, suppose you are given the input 3 -> 4 -> -7 -> 5 -> -6 -> 6. In this case, you should first remove 3 -> 4 -> -7, then -6 -> 6, leaving only 5.

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