函数用于列出范围内的所有sass变量

Question

我有一个为变量分配十六进制值的文件。例如;

n=24

我正在寻找一种方法来获取当前范围中的所有变量并将它们放在列表中进行迭代，这样我就可以生成一个有效工作的列表：

import java.util.HashMap;

public class SumOfConsecutiveSquares {

  // UPPER_BOUND is the largest N we are testing;
  static final int UPPER_BOUND = 1000;
  // UPPER_BOUND/2, sqrt, then round up, then add 1 give MAX_INDEX
  static final int MAX_INDEX = (int)(Math.sqrt(UPPER_BOUND/2.0)) + 1 + 1;

  static int[] sumsOfSquares = new int[MAX_INDEX+1];
  static HashMap<Integer,Integer> sumsOfSquaresHash
    = new HashMap<Integer,Integer>();

  // pre-compute our list
  static {
    sumsOfSquares[0] = 0;
    sumsOfSquaresHash.put(0,0);
    for (int i = 1; i <= MAX_INDEX; ++i) {
      sumsOfSquares[i] = sumsOfSquares[i-1] + i*i;
      sumsOfSquaresHash.put(sumsOfSquares[i],i);
    }
  }

  public static boolean isSumOfConsecutiveSquares(int N) {
    for (int i=0; i <= MAX_INDEX; ++i) {
      int candidate = sumsOfSquares[i] + N;
      if (sumsOfSquaresHash.containsKey(candidate)
          && sumsOfSquaresHash.get(candidate) - i >= 2) {
        return true;
      }
    }
    return false;
  }

  public static void main(String[] args) {
    for (int i=0; i < 1000; ++i) {
      if (isSumOfConsecutiveSquares(i)) {
        System.out.println(i);
      }
    }
  }

}