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Sum and Product of minimum and maximum element of an Array
  • Difficulty Level : Easy
  • Last Updated : 17 Dec, 2018

Given an array. The task is to find the sum and product of the maximum and minimum elements of the given array.

Examples:

Input : arr[] = {12, 1234, 45, 67, 1}
Output : Sum = 1235
         Product = 1234

Input : arr[] = {5, 3, 6, 8, 4, 1, 2, 9}
Output : Sum = 10
         Product = 9

Take to variables min and max to store the minimum and maximum elements of the array. Find the minimum and the maximum element and store in these variables respectively. Finally, print the sum and product of the minimum and maximum elements.

Below is the program to illustrate above approach:

C++




// CPP program to find the sum  and product
// of minimum and maximum element in an array
  
#include <iostream>
using namespace std;
  
// Function to find minimum element
int getMin(int arr[], int n)
{
    int res = arr[0];
    for (int i = 1; i < n; i++)
        res = min(res, arr[i]);
    return res;
}
  
// Function to find maximum element
int getMax(int arr[], int n)
{
    int res = arr[0];
    for (int i = 1; i < n; i++)
        res = max(res, arr[i]);
    return res;
}
  
// Function to get Sum
int findSum(int arr[], int n)
{
    int min = getMin(arr, n);
    int max = getMax(arr, n);
  
    return min + max;
}
  
// Function to get product
int findProduct(int arr[], int n)
{
    int min = getMin(arr, n);
    int max = getMax(arr, n);
  
    return min * max;
}
  
// Driver Code
int main()
{
    int arr[] = { 12, 1234, 45, 67, 1 };
    int n = sizeof(arr) / sizeof(arr[0]);
  
    // Sum of min and max element
    cout << "Sum = " << findSum(arr, n) << endl;
  
    // Product of min and max element
    cout << "Product = " << findProduct(arr, n);
  
    return 0;
}

Java




// Java  program to find the sum and product
// of minimum and maximum element in an array
  
import java.io.*;
  
class GFG {
      
    // Function to find minimum element
static int getMin(int arr[], int n)
{
    int res = arr[0];
    for (int i = 1; i < n; i++)
        res = Math.min(res, arr[i]);
    return res;
}
  
// Function to find maximum element
static int getMax(int arr[], int n)
{
    int res = arr[0];
    for (int i = 1; i < n; i++)
        res = Math.max(res, arr[i]);
    return res;
}
  
// Function to get Sum
static int findSum(int arr[], int n)
{
    int min = getMin(arr, n);
    int max = getMax(arr, n);
  
    return min + max;
}
  
// Function to get product
static int findProduct(int arr[], int n)
{
    int min = getMin(arr, n);
    int max = getMax(arr, n);
  
    return min * max;
}
  
// Driver Code
      
    public static void main (String[] args) {
    int arr[] = { 12, 1234, 45, 67, 1 };
    int n = arr.length;
  
    // Sum of min and max element
        System.out.println ("Sum = " + findSum(arr, n));
  
    // Product of min and max element
        System.out.println( "Product = " + findProduct(arr, n));
  
          
          
    }
}
//This Code is contributed by anuj_67....

Python 3




# Python 3 program to find the sum and product
# of minimum and maximum element in an array
  
# Function to find minimum element
def getMin(arr, n):
    res = arr[0]
    for i in range(1, n):
        res = min(res, arr[i])
    return res
  
# Function to find maximum element
def getMax(arr, n):
    res = arr[0]
    for i in range(1, n):
        res = max(res, arr[i])
    return res
  
# Function to get Sum
def findSum(arr, n):
    min = getMin(arr, n)
    max = getMax(arr, n)
  
    return min + max
  
# Function to get product
def findProduct(arr, n):
    min = getMin(arr, n)
    max = getMax(arr, n)
  
    return min * max
  
# Driver Code
if __name__ == "__main__":
      
    arr = [ 12, 1234, 45, 67, 1 ]
    n = len(arr)
  
    # Sum of min and max element
    print("Sum = " , findSum(arr, n))
  
    # Product of min and max element
    print("Product = " , findProduct(arr, n))
  
# This code is contributed 
# by ChitraNayal

C#




// C# program to find the sum and product
// of minimum and maximum element in an array
using System;
  
class GFG {
      
// Function to find minimum element
static int getMin(int []arr, int n)
{
    int res = arr[0];
    for (int i = 1; i < n; i++)
        res = Math.Min(res, arr[i]);
    return res;
}
  
// Function to find maximum element
static int getMax(int []arr, int n)
{
    int res = arr[0];
    for (int i = 1; i < n; i++)
        res = Math.Max(res, arr[i]);
    return res;
}
  
// Function to get Sum
static int findSum(int []arr, int n)
{
    int min = getMin(arr, n);
    int max = getMax(arr, n);
  
    return min + max;
}
  
// Function to get product
static int findProduct(int []arr, int n)
{
    int min = getMin(arr, n);
    int max = getMax(arr, n);
  
    return min * max;
}
  
    // Driver Code
    public static void Main() 
    {
        int []arr = { 12, 1234, 45, 67, 1 };
        int n = arr.Length;
      
        // Sum of min and max element
        Console.WriteLine("Sum = " + findSum(arr, n));
  
        // Product of min and max element
        Console.WriteLine( "Product = " + findProduct(arr, n));
    }
}
  
// This Code is contributed by anuj_67....

PHP




<?php
// PHP program to find the sum and product
// of minimum and maximum element in an array
  
// Function to find minimum element
function getMin($arr, $n)
{
    $res = $arr[0];
    for ($i = 1; $i < $n; $i++)
        $res = min($res, $arr[$i]);
    return $res;
}
  
// Function to find maximum element
function getMax($arr, $n)
{
    $res = $arr[0];
    for ($i = 1; $i < $n; $i++)
        $res = max($res, $arr[$i]);
    return $res;
}
  
// Function to get Sum
function findSum($arr, $n)
{
    $min = getMin($arr, $n);
    $max = getMax($arr, $n);
  
    return $min + $max;
}
  
// Function to get product
function findProduct($arr, $n)
{
    $min = getMin($arr, $n);
    $max = getMax($arr, $n);
  
    return $min * $max;
}
  
// Driver Code
$arr = array(12, 1234, 45, 67, 1);
$n = sizeof($arr);
  
// Sum of min and max element
echo "Sum = " . findSum($arr, $n) . "\n";
  
// Product of min and max element
echo "Product = " . findProduct($arr, $n);
  
// This code is contributed
// by Akanksha Rai
Output:



Sum = 1235
Product = 1234


Optimizations

We can use a single loop to find both maximum and minimum. This would require only one traversal of array.

In C++, there are direct function to find maximum and minimum : max_element() and min_element()

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