P062.c

Metadata

• Author — Amit Dutta
• Last updated — 16 Dec 2025
• License — MIT License (See the LICENSE file for details)

Problem Statement

Problem Statement

Write a C program to find the smallest and largest in an array using user-defined functions. Define two functions int findSmallest(int arr[], int n) and int findLargest(int arr[], int n) that return the smallest and largest elements in an array, respectively.

Source Code

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#include <stdio.h>
#include <stdlib.h>

void inputarr(int[], int);
int findSmallest(int[], int);
int findLargest(int[], int);

int main()
{
    int n, *arr;
    printf("How many element do you want to enter: ");
    scanf("%d", &n);
    arr = (int *)malloc(n * sizeof(int));
    inputarr(arr, n);
    printf("\nSmallest element = %d", findSmallest(arr, n));
    printf("\nLargest element  = %d", findLargest(arr, n));
    free(arr);
    return 0;
}

void inputarr(int arr[], int n)
{
    int i;
    for (i = 0; i < n; i++)
    {
        printf("Enter Element %d: ", i + 1);
        scanf("%d", &arr[i]);
    }
}

int findSmallest(int arr[], int n)
{
    int i, smallest = arr[0];
    for (i = 1; i < n; i++)
    {
        if (smallest > arr[i])
        {
            smallest = arr[i];
        }
    }
    return smallest;
}

int findLargest(int arr[], int n)
{
    int i, largest = arr[0];
    for (i = 1; i < n; i++)
    {
        if (largest < arr[i])
        {
            largest = arr[i];
        }
    }
    return largest;
}