How can I sort a linked list?

Q

How can I sort a linked list?

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A

Sometimes it's easier to keep the list in order as you build it (or perhaps to use a tree instead). Algorithms like insertion sort and merge sort lend themselves ideally to use with linked lists. If you want to use a standard library function, you can allocate a temporary array of pointers, fill it in with pointers to all your list nodes, call qsort, and finally rebuild the list pointers based on the sorted array.

2015-08-10, 735👍, 0💬