static int count_minimum_operations ( long n ) {
  int count = 0 ;
  while ( n > 1 ) {
    if ( n % 3 == 0 ) n /= 3 ;
    else if ( n % 3 == 1 ) n -- ;
    else {
      if ( n == 2 ) n -- ;
      else n ++ ;
    }
    count ++ ;
  }
  return count ;
}

static int count_minimum_operations ( long n ) { int count = 0 ; while ( n > 1 ) { if ( n % 3 == 0 ) n /= 3 ; else if ( n % 3 == 1 ) n -- ; else { if ( n == 2 ) n -- ; else n ++ ; } count ++ ; } return count ; }
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