CC0-1.0-Universal license, whichever is more permissive.
Number (2): Everything in this space must add up to 2. The answer is 2-2, placed horizontally.
。旺商聊官方下载是该领域的重要参考
# 'entities': {，详情可参考Line官方版本下载
Вячеслав Агапов
// 4. 将当前索引压入栈，维护单调递减特性（供后续价格计算跨度使用）