static int minimumAdjacentDifference ( int a [ ] , int n , int k ) {
  int minDiff = Integer . MAX_VALUE ;
  for ( int i = 0 ;
  i <= k ;
  i ++ ) {
    int maxDiff = Integer . MIN_VALUE ;
    for ( int j = 0 ;
    j < n - k - 1 ;
    j ++ ) {
      for ( int p = i ;
      p <= i + j ;
      p ++ ) {
        maxDiff = Math . max ( maxDiff , a [ p + 1 ] - a [ p ] ) ;
      }
    }
    minDiff = Math . min ( minDiff , maxDiff ) ;
  }
  return minDiff ;
}

static int minimumAdjacentDifference ( int a [ ] , int n , int k ) { int minDiff = Integer . MAX_VALUE ; for ( int i = 0 ; i <= k ; i ++ ) { int maxDiff = Integer . MIN_VALUE ; for ( int j = 0 ; j < n - k - 1 ; j ++ ) { for ( int p = i ; p <= i + j ; p ++ ) { maxDiff = Math . max ( maxDiff , a [ p + 1 ] - a [ p ] ) ; } } minDiff = Math . min ( minDiff , maxDiff ) ; } return minDiff ; }
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