Monday 13 November 2017

C Program to Implement Selection Sort Recursively


Code:

#include   stdio.h

void selection(int [], int, int, int, int);

int main()
{
    int list[30], size, temp, i, j;

    printf("Enter the size of the list: ");
    scanf("%d", &size);
    printf("Enter the elements in list:\n");
    for (i = 0; i < size; i++)
    {
        scanf("%d", &list[i]);
    }
    selection(list, 0, 0, size, 1);
    printf("The sorted list in ascending order is\n");
    for (i = 0; i < size; i++)
    {
        printf("%d  ", list[i]);
    }

    return 0;
}

void selection(int list[], int i, int j, int size, int flag)
{
    int temp;

    if (i < size - 1)
    {
        if (flag)
        {
            j = i + 1;
        }
        if (j < size)
        {
            if (list[i] > list[j])
            {
                temp = list[i];
                list[i] = list[j];
                list[j] = temp;
            }
            selection(list, i, j + 1, size, 0);
        }
        selection(list, i + 1, 0, size, 1);
    }
}


Output:

Enter the size of the list: 5
Enter the elements in list:
23
45
64
12
34
The sorted list in ascending order is
12  23  34  45  64



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