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C > Recursion Code Examples

Find the Biggest Number in an Array of Numbers using Recursion

Find the Biggest Number in an Array of Numbers using Recursion

This C Program prints the largest number in an unsorted array of elements using recursion. The array used here is of type integer.

    #include <stdio.h>

    int large(int[], int, int);

    int main()

    {

        int size;

        int largest;

        int list[20];

        int j;

        printf("Enter size of the list:");

        scanf("%d", &size);

        printf("Printing the list:\n");

        for (j = 0; j < size ; j++)

        {

            list[j] = rand() % size;

            printf("%d\t", list[j]);

        }

        if (size == 0)

        {

            printf("Empty list\n");

        }

        else

        {

            largest = list[0];

            largest = large(list, size - 1, largest);

            printf("\nThe largest number in the list is: %d\n", largest);

        }

    }

    int large(int list[], int size, int largest)

    {

        if (size == 1)

            return largest;

        if (size > -1)

        {

            if (list[size] > largest)

            {

                largest = list[size];

            }

            return(largest = large(list, size - 1, largest));

        }

        else

        {

            return largest;

        }

    }

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