Sorting an integer array in C
By: Ignatius in C Tutorials on 2012-03-16
This simple C program sorts the elements of an integer array and prints them.
#include <stdio.h>
#define SIZE 10
int main()
{
int a[SIZE] = {34,6,41,58,0,12,89,-2,45,25};
int i, pass, hold;
printf("Data items in original order\n\n");
// displaying the original array...
for(i=0; i<=SIZE - 1; i++)
printf("%d ", a[i]);
// ------do the sorting...ascending-------------
// for every array elements do this...
for(pass = 1; pass <= (SIZE-1); pass++)
// for every 2 array elements comparison do
// the comparison and swap...
for(i = 0; i <= (SIZE-2); i++)
// set the condition...
if(a[i] > a[i + 1])
{
// put the a[i] in temporary variable hold...
hold = a[i];
// put the a[i + 1] in a[i]
a[i] = a[i + 1];
// put the hold in a[i + 1], one swapping is
// completed...and repeat for other elements...
a[i + 1] = hold;
}
printf("\n\nData items in ascending order\n\n");
// display the new ordered list...
for (i=0; i <= (SIZE-1); i++)
printf("%4d", a[i]);
printf("\n\n");
return 0;
}
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