C++ Program:
#include <iostream>
#include <fstream>
using namespace std;
//Search function
bool search(int arr[], int len, int searchElement)
{
int i;
//Iterating over array
for(i=0; i<len; i++)
{
//Comparing elements
if(arr[i] == searchElement)
{
//Element found
return true;
}
}
//Element not found
return false;
}
//Fill array function
void fillArray(int arr[])
{
int i;
//Opening file for reading
fstream fin("Lab18c.txt", ios::in);
//Reading data from file
for(i=0; i<20; i++)
{
//Reading data in to array
fin >> arr[i];
}
}
//Main function
int main()
{
int arr[20]; //Declaring an array of 20 integers
int searchElement;
bool result;
//Reading search element
cout << "\n Enter element to search: ";
cin >> searchElement;
//Fill array
fillArray(arr);
//Calling search function
result = search(arr, 20, searchElement);
//Printing result
cout << "\n Searching for element " << searchElement
<< ", Value returned from function: " << result
<< "\n";
//Checking result
if(result)
{
cout << "\n\nElement Found...\n";
}
else
{
cout << "\n\nElement Not Found...\n";
}
return 0;
}
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Sample Run:
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