Program in C to Find the Second Largest & Smallest Elements in an Array

\* C Program to to Find the Second Largest & Smallest Elements in an Array *\

# include < stdio.h >
int   main( )
{

int   a[20], b[20], n, sml=0, pos, i, j, temp  ;
printf(" Enter the Numbers of terms: ") ;
scanf("%d ", & n) ;
printf("\n Enter the terms : \n") ;
for (  i = 1 ; i < = n ; i++ )
{

scanf("%d ", & a[i]) ;
b[i] = a[i] ;

}
for (  i = 1 ; i < = n ; i++ )
{

for (  j = 1 ; j < = n ; j++ )
{

if ( a[i] <= a[j] )
{

temp = a[i] ;
a[i] = a[j] ;
a[j] = temp ;

}

}

}
printf("\n The Array Elements are: \n") ;
for (  i = 1 ; i < = n ; i++ )
printf(" %d \t", b[i]) ;

printf("\n Second Smallest Element is : %d", a[2]) ;
printf("\n Second Largest Element is : %d", a[n-1]) ;
return ( 0 ) ;

}