//C++ program to implement delete operation in a //unsorted array #include using namespace std; // To search a key to be deleted int findElement(int arr[], int n, int key); // Function to delete an element int deleteElement(int arr[], int n, int key) K // Find position of element to be deleted int pos findElement(arr, n, key); if (pos=-1) ( cout << "Element not found"; return n; } // Deleting element int i; for (i = pos; i < n 1; i++) arr[i] arr[i+1]; return -1; // Function to implement search operation int findElement(int arr[], int n, int key) { int i; for (i = 0; i // Driver code int main() ( int i; int arr[] (10, 50, 30, 40, 20); int n sizeof(arr) / sizeof(arr[0]); int key = 30; cout << "Array before deletion\n"; for (i = 0; i

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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//C++ program to implement delete operation in a
//unsorted array
#include <iostream>
using namespace std;
// To search a key to be deleted
int findElement(int arr[], int n,
int key);
// Function to delete an element
int deleteElement(int arr[], int n,
int key)
(
// Find position of element to be deleted
int pos findElement(arr, n, key);
if (pos=-1)
cout << "Element not found";
return n;
}
// Deleting element
int i;
for (i = pos; i < n 1; i++)
arr[i] arr[i+1];
return n 1;
// Function to implement search operation
int findElement(int arr[], int n, int key)
(
int i;
for (i = 0; i<n; i++)
if (arr[i]== key)
return i;
return 1;
>
// Driver code
int main()
(
int i;
int arr[] (10, 50, 30, 40, 20);
int n sizeof(arr) / sizeof(arr[0]);
int key = 30;
cout << "Array before deletion\n";
for (i = 0; i<n; i++)
cout << arr[i]<<";
n = deleteElement(arr, n, key);
cout << "\n\nArray after deletion\n";
for (i=0; i<n; i++)
cout << arr[i] << " ";
return 0;
Transcribed Image Text://C++ program to implement delete operation in a //unsorted array #include <iostream> using namespace std; // To search a key to be deleted int findElement(int arr[], int n, int key); // Function to delete an element int deleteElement(int arr[], int n, int key) ( // Find position of element to be deleted int pos findElement(arr, n, key); if (pos=-1) cout << "Element not found"; return n; } // Deleting element int i; for (i = pos; i < n 1; i++) arr[i] arr[i+1]; return n 1; // Function to implement search operation int findElement(int arr[], int n, int key) ( int i; for (i = 0; i<n; i++) if (arr[i]== key) return i; return 1; > // Driver code int main() ( int i; int arr[] (10, 50, 30, 40, 20); int n sizeof(arr) / sizeof(arr[0]); int key = 30; cout << "Array before deletion\n"; for (i = 0; i<n; i++) cout << arr[i]<<"; n = deleteElement(arr, n, key); cout << "\n\nArray after deletion\n"; for (i=0; i<n; i++) cout << arr[i] << " "; return 0;
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