public static int composite_factors ( int n ) {
  int count = 0 ;
  int i , j ;
  int [ ] a = new int [ n + 1 ] ;
  for ( i = 0 ;
  i < n ;
  i ++ ) {
    a [ i ] = 0 ;
  }
  for ( i = 1 ;
  i <= n ;
  ++ i ) {
    if ( n % i == 0 ) {
      a [ i ] = i ;
    }
  }
  for ( i = 2 ;
  i <= n ;
  i ++ ) {
    j = 2 ;
    int p = 1 ;
    while ( j < a [ i ] ) {
      if ( a [ i ] % j == 0 ) {
        p = 0 ;
        break ;
      }
      j ++ ;
    }
    if ( p == 0 && a [ i ] != 0 ) {
      count ++ ;
    }
  }
  return count ;
}

public static int composite_factors ( int n ) { int count = 0 ; int i , j ; int [ ] a = new int [ n + 1 ] ; for ( i = 0 ; i < n ; i ++ ) { a [ i ] = 0 ; } for ( i = 1 ; i <= n ; ++ i ) { if ( n % i == 0 ) { a [ i ] = i ; } } for ( i = 2 ; i <= n ; i ++ ) { j = 2 ; int p = 1 ; while ( j < a [ i ] ) { if ( a [ i ] % j == 0 ) { p = 0 ; break ; } j ++ ; } if ( p == 0 && a [ i ] != 0 ) { count ++ ; } } return count ; }
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