* 获取数字的第digit位（从右往左，0表示个位）
* 3. 单调递增栈：存储独立车队的到达时间，cur栈顶才push（否则合并）。
，详情可参考im钱包官方下载
The conditions you have to meet are specific to the color-coded spaces. For example, if it provides a single number, every side of a tile in that space must add up to the number provided. It is possible – and common – for only half a tile to be within a color-coded space.。爱思助手下载最新版本对此有专业解读
final result = await executeFunction(，这一点在safew官方下载中也有详细论述
Veronica Viera, the company's payload operations lead, shows us an image that the satellite beamed back from space.