#include <stdio.h>
#include <stdlib.h>
#include <time.h>
int main(void)
{
int *p, *tmp, i, j, size, pos;
printf("Enter array size: ");
scanf("%d", &size);
p = malloc(size * sizeof(int));
if (p == NULL)
{
printf("Error allocating memory\n");
return 1;
}
srand(time(NULL));
for (i = 0; i < size; i++)
{
p[i] = rand() % 100 + 1;
printf("arr[%d] = %d\n", i, p[i]);
}
pos = 2; // delete the element in this position
tmp = malloc((size - 1) * sizeof(int));
if (tmp != NULL)
{
for (i = 0, j = 0; i < size; i++)
{
if (i != pos)
tmp[j++] = p[i];
}
free(p);
p = tmp;
size--;
}
else
{
free(tmp);
printf("Error allocating memory!\n");
return 1;
}
printf("after delete:\n");
for (i = 0; i < size; i++)
printf("arr[%d] = %d\n", i, p[i]);
free(p);
return 0;
}
/*
run:
Enter array size: 5
arr[0] = 8
arr[1] = 11
arr[2] = 80
arr[3] = 49
arr[4] = 15
after delete:
arr[0] = 8
arr[1] = 11
arr[2] = 49
arr[3] = 15
*/
