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BinaryRecursiveSearch.cpp
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#include <iostream>
using namespace std;
int BinarySearch(int arr[], int num, int low, int high){
int mid;
if (low > high){
cout << "Number is not found";
return 0;
} else {
mid = (low + high) / 2;
if(arr[mid] == num){
cout << "Number is found at " << mid << " index \n";
return 0;
} else if (num > arr[mid]) {
BinarySearch (arr, num, mid+1, high);
} else if (num < arr[mid]) {
BinarySearch (arr, num, low , mid-1);
}
}
}
int main() {
int num, i, n, low, high;
cout <<"Enter the size of an array: ";
cin >> n;
int arr[n];
for(i=0; i<n; i++) {
cout <<"Enter the sorted value: ";
cin >> arr[i];
}
cout <<"Enter a value to be search: ";
cin >> num;
low = 0;
high = n-1;
BinarySearch (arr, num, low, high);
return 0;
}