SECOND SMALLEST NUMBER IN AN UNSORTED ARRAY

#include<stdio.h>

#include<conio.h>

main()

{

  int un[10], i, s1, s2;

  clrscr();

  printf("Enter array elements: ");

  for ( i = 0; i < 10; ++i )

            scanf("%d", &un[i]);

  s1 = un[0];

  for ( i = 1; i < 10; ++i )

  {

            if ( s1 > un[i] )

                        s1 = un[i];

            if ( s1 != un[0] )

                        s2 = un[0];

            else

                        s2 = un[1];

  }

  for ( i = 1; i < 10; ++i )

  {

            if ( s1 != un[i] && s2 > un[i] )

                        s2 = un[i];

  }

  printf("\nSecond smallest: %d", s2);

  return 0;

}