Program in C to merge two sorted array in ascending order

\* C Program to to merge two sorted array in ascending order *\

# include < stdio.h >
int   main( )
{

int   a[50], b[25], i, j, k=1, s, m, n, temp  ;
printf(" Enter the number of element in first array : ") ;
scanf("%d ", & m) ;
printf("\n Enter the element of first array in ascending order : \n") ;
for (  i = 1 ; i < = m ; i++ )
scanf("%d ", & a[i]) ;

printf(" Enter the number of element in second array : ") ;
scanf("%d ", & n) ;
printf("\n Enter the element of second array in ascending order : \n") ;
for (  i = 1 ; i < = n ; i++ )
scanf("%d ", & b[i]) ;
s = m + n ;

for (  i = m+1 ; i <= s ; i++ )
{

a[i] = b[k] ;
for (  j = 1 ; j <= s ; j++ )
{

if (  a[j] >= a[i]  )
{

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

}

}
k = k+1 ;

}
printf("\n Array after merging :\n") ;
for (  i = 1 ; i <= s ; i++ )
pcanf("%d \t", a[i]) ;
return ( 0 ) ;

}