static int gcdFibonacciFreq ( int arr [ ] , int n ) {
  HashSet < Integer > hash = new HashSet < Integer > ( ) ;
  createHash ( hash , Arrays . stream ( arr ) . max ( ) . getAsInt ( ) ) ;
  int i ;
  HashMap < Integer , Integer > m = new HashMap < Integer , Integer > ( ) ;
  for ( i = 0 ;
  i < n ;
  i ++ ) {
    if ( m . containsKey ( arr [ i ] ) ) {
      m . put ( arr [ i ] , m . get ( arr [ i ] ) + 1 ) ;
    }
    else {
      m . put ( arr [ i ] , 1 ) ;
    }
  }
  int gcd = 0 ;
  for ( Map . Entry < Integer , Integer > it : m . entrySet ( ) ) {
    if ( hash . contains ( it . getValue ( ) ) ) {
      gcd = __gcd ( gcd , it . getKey ( ) ) ;
    }
  }
  return gcd ;
}

static int gcdFibonacciFreq ( int arr [ ] , int n ) { HashSet < Integer > hash = new HashSet < Integer > ( ) ; createHash ( hash , Arrays . stream ( arr ) . max ( ) . getAsInt ( ) ) ; int i ; HashMap < Integer , Integer > m = new HashMap < Integer , Integer > ( ) ; for ( i = 0 ; i < n ; i ++ ) { if ( m . containsKey ( arr [ i ] ) ) { m . put ( arr [ i ] , m . get ( arr [ i ] ) + 1 ) ; } else { m . put ( arr [ i ] , 1 ) ; } } int gcd = 0 ; for ( Map . Entry < Integer , Integer > it : m . entrySet ( ) ) { if ( hash . contains ( it . getValue ( ) ) ) { gcd = __gcd ( gcd , it . getKey ( ) ) ; } } return gcd ; }
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