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README.md

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ArrayList C

This is a simple implementation of an ArrayList in C using a struct, a pointer to the struct and a pointer to the array. The array is static and the size of the array is defined when the ArrayList is created.

Functions

  • ArrayList* ArrayCreate(int n): Creates an ArrayList with a size of n.

  • void ArrayAppendFirst(ArrayList* list, int value): Add an element to the beginning of the list.

  • void ArrayAppendLast(ArrayList* list, int value): Appends a value to the end of the array.

  • void ArrayAppend(ArrayList* list, int value, int index): Appends a value to the array at the specified index.

  • void ArrayDelete(ArrayList* list, int index): Deletes the element at the given index.

  • void ArrayDeleteFirst(ArrayList* list): Deletes the first element of the array.

  • void ArrayDeleteLast(ArrayList* list): Deletes the last element of the array.

  • void ArrayPrint(ArrayList* list): Prints the array

  • void ArrayFree(ArrayList* list): Frees the memory

  • char* ArrayToString(ArrayList* list): Returns a string representation of the array

Usage

// Create an array list with maximum 10 value capacity.
ArrayList* list = ArrayCreate(10);

// Append a value to the last of the array list.
ArrayAppendLast(list, 10);
ArrayAppendLast(list, 20);
ArrayAppendLast(list, 30);
ArrayAppendLast(list, 40);

// Append a value to the first of the array list.
ArrayAppendFirst(list, 5);

// Append a value to the array list at the specified index.
ArrayAppend(list, 25, 2);

// Print the array list.
ArrayPrint(list);

// Delete a value from the array list at the specified index.
ArrayDelete(list, 3);

// Delete a value from the first of the array list.
ArrayDeleteFirst(list);

// Delete a value from the last of the array list.
ArrayDeleteLast(list);

// Print the array list.
ArrayPrint(list);

And the output is:

5 10 25 20 30 40
10 25 30

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