Linked List and Selection Sort

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Presentation transcript:

Linked List and Selection Sort

Linked List

Linked List It is a data structure

Linked List It is a data structure

Linked List It is a data structure Each element in a linked list is a node Each node consists of two parts: “pointer” and “data”

Linked List It is a data structure Dynamic Can grow and be pruned while the program is running

Linked List It is a data structure Dynamic Can grow and be pruned while the program is running

Linked List It is a data structure Dynamic Needs not to be stored contiguously in memory

Linked List It is a data structure Dynamic Needs not to be stored contiguously in memory Insert:

Linked List It is a data structure Dynamic Needs not to be stored contiguously in memory Remove:

Linked List It is a data structure Dynamic Needs not to be stored contiguously in memory Indexing

Selection Sort Select a “correct” value

Selection Sort Select a “correct” value Divide the input list into two parts: Sorted and Unsorted

Selection Sort Select a “correct” value Divide the input list into two parts: Sorted and Unsorted Initialize the sorted sublist is empty the unsorted sublist is the whole input list

Selection Sort Select a “correct” value Divide the input list into two parts: Sorted and Unsorted Initialize Start Sorting (Iteratively)

Selection Sort Select a “correct” value Divide the input list into two parts: Sorted and Unsorted Initialize Start Sorting (Iteratively) Finding the smallest value in the unsorted sublist

Selection Sort Select a “correct” value Divide the input list into two parts: Sorted and Unsorted Initialize Start Sorting (Iteratively) Finding the smallest value in the unsorted sublist Add this smallest value to the sorted sublist

Selection Sort Select a “correct” value Divide the input list into two parts: Sorted and Unsorted Initialize Start Sorting (Iteratively) Finding the smallest value in the unsorted sublist Add this smallest value to the sorted sublist Remove this value from the unsorted sublist

Selection Sort Select a “correct” value Divide the input list into two parts: Sorted and Unsorted Initialize Start Sorting (Iteratively) Finding the smallest value in the unsorted sublist Add this smallest value to the sorted sublist Remove this value from the unsorted sublist Go back to the first step until the unsorted sublist is empty

Selection Sort

Selection Sort

Selection Sort