
1) Sorting algorithm
Found on
https://www.crosswordclues.com/clue/insertion-sort

Insertion sort is a simple sorting algorithm that builds the final sorted array (or list) one item at a time. It is much less efficient on large lists than more advanced algorithms such as quicksort, heapsort, or merge sort. However, insertion sort provides several advantages: When people manually sort something (for example, a deck of playing car...
Found on
http://en.wikipedia.org/wiki/Insertion_sort
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