# Biggest and Smallest Number in an Array Using Pointers in C++

``` A program to check the biggest and smallest list of numbers given by the users using arrays in C++ programming language.

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``````#include <iostream>

using namespace std;

int findMinimum(int a[], int n)
{
int smallest = a[0];

for (int i = 0; i < n; i++)
{
smallest = min(smallest, a[i]);
}
return smallest;
}

int findMaximum(int a[], int n)
{
int biggest = a[0];

for (int i = 0; i < n; i++)
{
biggest = max(biggest, a[i]);
}
return biggest;
}

int main()
{
int n=0,i=0;

cout <<"\n\n";
cout <<"\tBiggest and Smallest Number in an Array Using Pointers in C++";
cout <<"\n\n";
cout << "\tGive the size of the array: ";
cin >> n;

int *pointer = &n;
int arr[n];
cout <<"\n\n";
cout << "\tInput the " << *pointer << " elements of the array: \n\n";
for (i = 0; i < *pointer; i++)
{
cin >> arr[i];
}

cout <<"\n\n";
cout << "\tThe " << *pointer << " elements of the array are :  \n\n";
for (i = 0; i < *pointer; i++)
{
cout << arr[i] << "  ";
}

int smallest = findMinimum(arr, *pointer);
int biggest = findMaximum(arr, *pointer);

cout <<"\n\n";
cout << "\tThe Smallest element is: " << smallest <<"\n\n";
cout << "\tThe Biggest element is: " << biggest <<"\n\n";;
cout <<"\n\n";
}
``````