#include <stdio.h>
#include <stdlib.h>
int main()
{
int *ptr = NULL, num=0, i=0;
printf("Enter the number \n");
scanf("%d", &num);
/*malloc example*/
ptr = (int *)malloc(num * sizeof(int));
if (ptr == NULL){
printf("malloc failed\n");
return -1;
}
for(i = 0; i < num; i++){
ptr[i] = i+1;
}
for(i=0; i<num; i++){
printf("%d ", ptr[i]);
}
printf("\n");
free(ptr);
return 0;
}