DSA/algorithms/C/sorting/bubble-sort.c

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2021-04-29 15:35:44 +00:00
//bubble sort
#include <stdio.h>
#include <stdlib.h>
void swap(int *value1, int *value2);
void bubble_sort(int array[], int array_size)
{
for(int i = 0; i < array_size; i++)
{
for(int j = 0; j < array_size - 1; j++)
{
if(array[j] > array[j+1])
{
swap(&array[j], &array[j+1]);
}
}
}
}
void swap(int *value1, int *value2)
{
int temp = *value1;
*value1 = *value2;
*value2 = temp;
}
int main()
{
int array_size;
do{
printf("Input the size of the array: ");
scanf("%d", &array_size);
}while(array_size <= 1);
int *array = (int*)malloc(sizeof(int)*array_size);
for(int i = 0; i < array_size; i++)
{
printf("Input an integer: ");
scanf("%d", &array[i]);
}
bubble_sort(array, array_size);
printf("Sorted array: [ ");
for(int i = 0; i < array_size; i++)
{
printf("%d ", array[i]);
}
printf("]\n");
return 0;
}
/*
* Input the size of the array: 5
* Input 5 integers: [ 28, 17, 2, 5, 43 ]
* Output: Sorted array: [ 2, 5, 17, 28, 43 ]
*
* Time complexity: O(n^2)
*/