static int maxCount ( int A [ ] , int N , int K ) {
  int maximum = 0 ;
  int i = 0 , j = 0 ;
  int start = 0 ;
  int end = 0 ;
  Arrays . sort ( A ) ;
  for ( i = 0 ;
  i < N ;
  i ++ ) {
    while ( j < N && A [ j ] <= A [ i ] + K ) j ++ ;
    if ( maximum < ( j - i ) ) {
      maximum = ( j - i ) ;
      start = i ;
      end = j ;
    }
  }
  return maximum ;
}

static int maxCount ( int A [ ] , int N , int K ) { int maximum = 0 ; int i = 0 , j = 0 ; int start = 0 ; int end = 0 ; Arrays . sort ( A ) ; for ( i = 0 ; i < N ; i ++ ) { while ( j < N && A [ j ] <= A [ i ] + K ) j ++ ; if ( maximum < ( j - i ) ) { maximum = ( j - i ) ; start = i ; end = j ; } } return maximum ; }
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