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15_Array_ADT.cpp
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673 lines (604 loc) · 13.6 KB
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#include <iostream>
#include <algorithm>
using namespace std;
class ArrayADT
{
public:
int size;
int length;
int* arr;
void create_array(int);
void add_elements(int);
void append(int);
void insert_at_index(int, int);
void insert_element_in_sorted_array(int);
void delete_element(int);
int isSorted();
int linear_search(int);
void linear_search_with_Transposition(int);
void linear_search_Move_Forward(int);
int binary_search_deccending(int);
int binary_search_accending(int);
int binary_search_rec_accending(int, int, int);
int binary_search_rec_deccending(int, int, int);
void search(int);
void get_element(int);
void set_element(int, int);
int get_max();
int get_min();
int get_sum();
int get_sum_rec(int);
double get_avg();
double get_avg_rec(int);
void reverse();
void reverse_using_2nd_Array();
void left_shift();
void right_shift();
void left_rotate();
void right_rotate();
void negative_on_left_side();
ArrayADT merge(ArrayADT*, ArrayADT*);
ArrayADT set_union(ArrayADT*, ArrayADT*);
ArrayADT set_intersection(ArrayADT*, ArrayADT*);
ArrayADT set_difference(ArrayADT*, ArrayADT*);
void display_elements();
};
void ArrayADT::create_array(int s)
{
size = s;
length = 0;
arr = new int[size];
}
void ArrayADT::add_elements(int n)
{
if (n > size)
{
cout << "Elements should be less than size of Array!" << endl;
return;
}
if (length == size)
{
cout << "Array is Full!" << endl;
return;
}
for (int i = 0; i < n; i++)
{
cout << "Enter Element " << i + 1 << " : ";
cin >> arr[i];
}
length = n;
}
void ArrayADT::append(int ele)
{
if (length == size)
{
cout << "Array is Full!" << endl;
return;
}
if (length < size)
{
arr[length] = ele;
length++;
}
}
void ArrayADT::insert_at_index(int ele, int index)
{
if (index < 0)
{
cout << "Index Should be >= 0 " << endl;
return;
}
if (index > size)
{
cout << "Out of the Size!" << endl;
return;
}
for (int i = length; i > index; i--)
{
arr[i] = arr[i - 1];
}
arr[index] = ele;
length++;
}
void ArrayADT::insert_element_in_sorted_array(int element)
{
if (isSorted() == 1)
{
for (int i = length - 1; i >= 0; i--)
{
if (arr[i] > element)
{
arr[i + 1] = arr[i];
}
else if (arr[i] <= element)
{
arr[i + 1] = element;
break;
}
}
length++;
}
else if (isSorted() == 2)
{
for (int i = length - 1; i >= 0; i--)
{
if (arr[i] < element)
{
arr[i + 1] = arr[i];
}
else if (arr[i] >= element)
{
arr[i + 1] = element;
break;
}
}
length++;
}
}
void ArrayADT::delete_element(int index)
{
if (index < 0 || index >= length)
{
cout << "Invalid Index!" << endl;
if (index > size)
{
cout << "Out of the Size!" << endl;
}
return;
}
for (int i = index; i < length - 1; i++)
{
arr[index] = arr[i + 1];
}
length--;
}
int ArrayADT::linear_search(int key)
{
for (int i = 0; i < length; i++)
{
if (arr[i] == key)
{
return i;
}
}
return -1;
}
void swap(int* x, int* y)
{
int temp = *x;
*x = *y;
*y = temp;
}
void ArrayADT::linear_search_with_Transposition(int key)
{
for (int i = 0; i < length; i++)
{
if (arr[i] == key)
{
swap(arr[i], arr[i - 1]);
cout << key << " found at index " << i - 1 << endl;
return;
}
}
cout << key << " not found!" << endl;
}
void ArrayADT::linear_search_Move_Forward(int key)
{
for (int i = 0; i < length; i++)
{
if (arr[i] == key)
{
swap(arr[i], arr[0]);
cout << key << " found at index " << 0 << endl;
return;
}
}
cout << key << " not found!" << endl;
}
int ArrayADT::binary_search_accending(int key)
{
int low = 0;
int high = length;
int mid;
while (low <= high)
{
mid = (low + high) / 2;
if (arr[mid] == key)
{
return mid;
}
else if (key < arr[mid])
{
high = mid - 1;
}
else
{
low = mid + 1;
}
}
return -1;
}
int ArrayADT::binary_search_deccending(int key)
{
int low = 0;
int high = length;
int mid;
while (low <= high)
{
mid = (low + high) / 2;
if (arr[mid] == key)
{
return mid;
}
else if (key > arr[mid])
{
high = mid - 1;
}
else
{
low = mid + 1;
}
}
return -1;
}
int ArrayADT::binary_search_rec_accending(int l, int h, int key)
{
int mid;
if (l <= h)
{
mid = (l + h) / 2;
if (arr[mid] == key)
return mid;
else if (key < arr[mid])
return binary_search_rec_accending(l, mid - 1, key);
else
return binary_search_rec_accending(mid + 1, h, key);
}
return -1;
}
int ArrayADT::binary_search_rec_deccending(int l, int h, int key)
{
int mid;
if (l <= h)
{
mid = (l + h) / 2;
if (arr[mid] == key)
return mid;
else if (key > arr[mid])
return binary_search_rec_deccending(l, mid - 1, key);
else
return binary_search_rec_deccending(mid + 1, h, key);
}
return -1;
}
int ArrayADT::isSorted()
{
int check = 0;
for (int i = 0; i < length - 1; i++)
{
if (arr[i] > arr[i + 1])
{
check++;
}
}
if (check == 0)
return 1;
else if (check == length - 1)
return 2;
return 0;
}
void ArrayADT::search(int key)
{
if (isSorted() == 1)
{
cout << "Array is Sorted in Accending Order\nDoing Binary Search" << endl;
binary_search_accending(key);
}
else if (isSorted() == 2)
{
cout << "Array is Sorted in Descending Order\nDoing Binary Search" << endl;
binary_search_deccending(key);
}
else
{
cout << "Array is Unsorted\nDoing Linear Search" << endl;
linear_search(key);
}
}
void ArrayADT::get_element(int index)
{
if (index >= 0 || index < length)
{
cout << "Element at index " << index << " is " << arr[index] << endl;
return;
}
cout << "Invalid Index" << endl;
}
void ArrayADT::set_element(int index, int element)
{
if (index >= 0 || index < length)
{
arr[index] = element;
return;
}
cout << "Invalid Index" << endl;
}
int ArrayADT::get_max()
{
int max = arr[0];
for (int i = 1; i < length; i++)
{
if (arr[i] > max)
{
max = arr[i];
}
}
return max;
}
int ArrayADT::get_min()
{
int min = arr[0];
for (int i = 1; i < length; i++)
{
if (arr[i] < min)
{
min = arr[i];
}
}
return min;
}
int ArrayADT::get_sum()
{
int sum = 0;
for (int i = 0; i < length; i++)
{
sum += arr[i];
}
return sum;
}
int ArrayADT::get_sum_rec(int n)
{
if (n < 0)
return 0;
return arr[n] + get_sum_rec(n - 1);
}
double ArrayADT::get_avg()
{
int total = 0;
for (int i = 0; i < length; i++)
{
total += arr[i];
}
return (total / (double)length);
}
double ArrayADT::get_avg_rec(int n)
{
static int total = 0;
if (n < 0)
return (total / (double)length);
total += arr[n];
return get_avg_rec(n - 1);
}
void ArrayADT::reverse()
{
// Method 1
for (int i = 0; i < length / 2; i++)
{
swap(arr[i], arr[length - i - 1]);
}
// Method 2
for (int i = 0, j = length - 1; i < j; i++, j--)
{
swap(arr[i], arr[j]);
}
}
void ArrayADT::reverse_using_2nd_Array()
{
int* temp = new int[length];
// Reverse Copying Method 1
// for (int i = length - 1; i >= 0; i--)
// temp[length - i - 1] = arr[i];
// Reverse Copying Method 2
for (int i = length - 1, j = 0; i >= 0; i--, j++)
temp[j] = arr[i];
for (int i = 0; i < length; i++)
arr[i] = temp[i];
}
void ArrayADT::left_shift()
{
for (int i = 0; i < length; i++)
{
arr[i - 1] = arr[i];
}
arr[length - 1] = 0;
}
void ArrayADT::left_rotate()
{
for (int i = 0; i < length; i++)
{
arr[i - 1] = arr[i];
}
arr[length - 1] = arr[-1];
}
void ArrayADT::right_shift()
{
for (int i = length - 1; i >= 0; i--)
{
arr[i + 1] = arr[i];
}
arr[0] = 0;
}
void ArrayADT::right_rotate()
{
for (int i = length - 1; i >= 0; i--)
{
arr[i + 1] = arr[i];
}
arr[0] = arr[length];
}
void ArrayADT::negative_on_left_side()
{
int i = 0;
int j = length - 1;
while (i < j)
{
while (arr[i] < 0)
i++;
while (arr[j] >= 0)
j--;
if (i < j)
swap(arr[i], arr[j]);
}
}
ArrayADT ArrayADT::merge(ArrayADT* arr1, ArrayADT* arr2)
{
ArrayADT newArray;
newArray.length = arr1->length + arr2->length;
newArray.arr = new int[newArray.length];
int i = 0, j = 0, k = 0;
while (i < arr1->length && j < arr2->length)
{
if (arr1->arr[i] < arr2->arr[j])
newArray.arr[k++] = arr1->arr[i++];
else
newArray.arr[k++] = arr2->arr[j++];
}
while (i < arr1->length)
newArray.arr[k++] = arr1->arr[i++];
while (j < arr2->length)
newArray.arr[k++] = arr2->arr[j++];
return newArray;
}
ArrayADT ArrayADT::set_union(ArrayADT* set1, ArrayADT* set2)
{
ArrayADT newArray;
newArray.length = set1->length + set2->length;
newArray.arr = new int[newArray.length];
int i = 0, j = 0, k = 0;
while (i < set1->length && j < set2->length)
{
if (set1->arr[i] < set2->arr[j])
newArray.arr[k++] = set1->arr[i++];
else if (set1->arr[i] > set2->arr[j])
newArray.arr[k++] = set2->arr[j++];
else
{
newArray.arr[k++] = set1->arr[i++];
j++;
}
}
while (i < set1->length)
newArray.arr[k++] = set1->arr[i++];
while (j < set2->length)
newArray.arr[k++] = set2->arr[j++];
newArray.length = k;
return newArray;
}
ArrayADT ArrayADT::set_intersection(ArrayADT* set1, ArrayADT* set2)
{
ArrayADT newArray;
newArray.length = set1->length + set2->length;
newArray.arr = new int[newArray.length];
int i = 0, j = 0, k = 0;
while (i < set1->length && j < set2->length)
{
if (set1->arr[i] == set2->arr[j])
{
newArray.arr[k++] = set1->arr[i++];
}
j++;
}
newArray.length = k;
return newArray;
}
ArrayADT ArrayADT::set_difference(ArrayADT* set1, ArrayADT* set2)
{
ArrayADT newArray;
newArray.length = set1->length;
newArray.arr = new int[newArray.length];
sort(set1->arr, set1->arr + set1->length);
sort(set2->arr, set2->arr + set2->length);
int i = 0, j = 0, k = 0;
while (i < set1->length && j < set2->length)
{
if (set1->arr[i] < set2->arr[j])
newArray.arr[k++] = set1->arr[i++];
else if (set1->arr[i] > set2->arr[j])
j++;
else
{
i++;
j++;
}
}
while (i < set1->length)
{
newArray.arr[k++] = set1->arr[i++];
}
newArray.length = k;
return newArray;
}
void ArrayADT::display_elements()
{
if (length == 0)
{
cout << "Array is Empty!" << endl;
return;
}
cout << "Elements: ";
for (int i = 0; i < length; i++)
{
cout << arr[i] << " ";
}
cout << endl;
}
int main()
{
int size = 5, n = 5;
// arr->create_array(size);
// arr->add_elements(n);
// arr->insert_at_index(8, 6);
// arr->append(5);
// arr->delete_element(6);
// arr->display_elements();
// arr->linear_search_with_Transposition(4);
// arr->linear_search_Move_Forward(4);
// arr->linear_search(4);
// arr->binary_search_deccending(4);
// arr->search(4);
// cout << arr->binary_search_rec_deccending(0, n, 4) << endl;
// arr->get_element(4);
// cout << "Maximum: " << arr->get_max() << endl;
// cout << "Minimum: " << arr->get_min() << endl;
// cout << "Sum: " << arr->get_sum() << endl;
// cout << "Sum: " << arr->get_sum_rec(n) << endl;
// cout << "Avg: " << arr->get_avg() << endl;
// cout << "Avg: " << arr->get_avg_rec(n) << endl;
// arr->display_elements();
// arr->reverse();
// arr->reverse_using_2nd_Array();
// arr->left_shift();
// arr->right_shift();
// arr->right_rotate();
// arr->insert_element_in_sorted_array(3);
// arr->insert_element_in_sorted_array(7);
// arr->negative_on_left_side();
// ArrayADT *arr1 = new ArrayADT();
// ArrayADT *arr2 = new ArrayADT();
// ArrayADT arr3;
// arr1->create_array(size);
// arr2->create_array(size);
// arr1->add_elements(n);
// arr2->add_elements(n);
// arr3 = arr3.merge(arr1, arr2);
// arr3.display_elements();
ArrayADT* set1 = new ArrayADT();
ArrayADT* set2 = new ArrayADT();
ArrayADT set3;
set1->create_array(size);
set2->create_array(size);
set1->add_elements(n);
set2->add_elements(n);
set3 = set3.set_difference(set1, set2);
set3.display_elements();
}