TADM2E 3.3
From Algorithm Wiki
1. size 4 array with 3 elements. remove 1, insert 1, and so forth.
2. when the array is one-fourth full, shrink its size to half of what it was.
1. size 4 array with 3 elements. remove 1, insert 1, and so forth.
2. when the array is one-fourth full, shrink its size to half of what it was.
