C++ Program to Search Element in Array

In this tutorial, you’ll learn about array operation for search element in array. We will perform search operations on the unsorted array and find elements in the array using C++.

The complexity of the search element in an unsorted array in the worst case is O(n).

C++ program to search an element in an array

#include<iostream>
using namespace std;

int main(){
	
	int n,x,flag=0;
	cout<<"Enter the Size of Array : \n";
	cin>>n;
	int i,arr[n];
	cout<<"Enter the Array Elements : \n";
		for(i=0; i<n; i++){
			cin>>arr[i];
		}
	cout<<"Enter the Element to Search in Array : \n";
	cin>>x;
		for(i=0; i<n; i++){
			if(arr[i]==x){
				flag=1;
			}
		}
		
	if(flag==1){
		cout<<"Element present in array at "<<i<<endl;
	}else{
		cout<<"Element not present in array"<<endl;	
	}
	return 0;
}

Output

Enter the Size of Array :
 4
 Enter the Array Elements :
 23
 54
 67
 32
 Enter the Element to Search in Array :
 32
 Element present in array at 4

Enter the Size of Array :
 4
 Enter the Array Elements :
 23
 54
 33
 64
 Enter the Element to Search in Array :
 12
 Element not present in array

Above article, you learn about array operation for search element in array. If you have any doubt then comment.