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Find a Fixed Point (Value equal to index) in a given array in C++ Program
In this tutorial, we are going to solve the following problem.
Given an array, find the number which is equal to the index. It's a straightforward problem.
Iterate over the given array and return the index which is equal to the array element.
Example
Let's see the code.
#include <bits/stdc++.h>
using namespace std;
int linearSearch(int arr[], int n) {
for(int i = 0; i < n; i++) {
if(arr[i] == i) {
return i;
}
}
return -1;
}
int main() {
int arr[] = {10, 20, 30, 40, 50, 5, 60};
cout << linearSearch(arr, 7) << endl;
return 0;
}Output
If you run the above code, then you will get the following result.
5
Conclusion
If you have any queries in the tutorial, mention them in the comment section.
Updated on: 01-Feb-2021
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