#include <stdio.h>
#include <stdlib.h>
int bubblesort(char *a, int count)
{
    char t;
  int i,j ;
  for(i=count-1;i>0;i--)
{
   for(j=0;j<i;j++)
   {
      if(a[j]>a[j+1])
      {
       t=a[j];
       a[j]=a[j+1];
       a[j+1]=t;
      }

   }
    for (i = 0; i < count; i++)
        printf("%s\n", a[i]);
}
}
int main () {
  FILE * ifp;
char lines[100][1000];
    int nl = 0;int nlmax = 100;
    int i;
  ifp = fopen ( "in.txt" , "rb" );
  if (ifp==NULL) {fputs ("File error",stderr); exit (1);}
    while (nl < nlmax && fgets(lines[nl], 1000, ifp)) {
        char *p = strrchr(lines[nl], '\n');
        if (p)
            *p = '\0';
        nl++;
    }

    for (i = 0; i < nl; i++)
        printf("%s\n", lines[i]);
  bubblesort(lines,nl);
  for (i = 0; i < nl; i++)
        printf("%s\n", lines[i]);
  return 0;
}