（三）买卖或者使用伪造、变造的国家机关、人民团体、企业、事业单位或者其他组织的公文、证件、证明文件、印章的；
// 2. 计算前缀和：count[i]表示<=i的元素个数
。heLLoword翻译官方下载是该领域的重要参考
Shortcuts: For common scenarios, we pre-calculate the travel time/distance (the "shortcut") between border points within the same cluster and also to border points of immediately adjacent clusters.
yinglunz (@yinglun122)