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Day 145 #302

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vaskoz opened this issue Jan 14, 2019 · 0 comments
Closed

Day 145 #302

vaskoz opened this issue Jan 14, 2019 · 0 comments
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vaskoz commented Jan 14, 2019

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

This problem was asked by Google.

Given the head of a singly linked list, swap every two nodes and return its head.

For example, given 1 -> 2 -> 3 -> 4, return 2 -> 1 -> 4 -> 3.
@vaskoz vaskoz self-assigned this Jan 14, 2019
@vaskoz vaskoz mentioned this issue Jan 17, 2019
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