Example: Largest Element using std::max_element in C++

C
C++
C#
Java
Python
PHP
// Largest Element using std::max_element
#include <iostream>
#include <algorithm> // Required for std::max_element
#include <vector>    // Required if using std::vector, but not for raw array here

int main() {
    // Step 1: Declare and initialize an array
    int arr[] = {12, 45, 9, 78, 23, 56};
    int n = sizeof(arr) / sizeof(arr[0]); // Calculate array size

    // Step 2: Use std::max_element to get an iterator to the largest element
    // It takes two iterators (or pointers for raw arrays):
    // beginning of the range and one past the end of the range.
    int* maxElementPtr = std::max_element(arr, arr + n);

    // Step 3: Dereference the iterator/pointer to get the actual value
    int maxElement = *maxElementPtr;

    // Step 4: Display the largest element
    std::cout << "The largest element in the array is: " << maxElement << std::endl;

    return 0;
}