TheAlgorithms-C/sorting/bubble_sort.c

68 lines
1.3 KiB
C

// sorting of array list using bubble sort
#include <stdio.h>
#include <stdlib.h>
/*Displays the array, passed to this method*/
void display(int *arr, int n)
{
int i;
for (i = 0; i < n; i++)
{
printf("%d ", arr[i]);
}
printf("\n");
}
/*Swap function to swap two values*/
void swap(int *first, int *second)
{
int temp = *first;
*first = *second;
*second = temp;
}
/*This is where the sorting of the array takes place
arr[] --- Array to be sorted
size --- Array Size
*/
void bubbleSort(int *arr, int size)
{
for (int i = 0; i < size - 1; i++)
{
for (int j = 0; j < size - 1 - i; j++)
{
if (arr[j] > arr[j + 1])
{
swap(&arr[j], &arr[j + 1]);
}
}
}
}
int main(int argc, const char *argv[])
{
int n;
printf("Enter size of array:\n");
scanf("%d", &n); // E.g. 8
printf("Enter the elements of the array\n");
int i;
int *arr = (int *)malloc(n * sizeof(int));
for (i = 0; i < n; i++)
{
scanf("%d", &arr[i]);
}
printf("Original array: ");
display(arr, n); // Original array : 10 11 9 8 4 7 3 8
bubbleSort(arr, n);
printf("Sorted array: ");
display(arr, n); // Sorted array : 3 4 7 8 8 9 10 11
free(arr);
return 0;
}