* 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）。
The United States women’s hockey team has a date with Flavor Flav in Las Vegas in July to celebrate winning the gold medal at the Milan Cortina Olympics.
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In this article, we'll examine the history of ATMs—by IBM. IBM was just one of
Finding these optimization opportunities can itself be a significant undertaking. It requires end-to-end understanding of the spec to identify which behaviors are observable and which can safely be elided. Even then, whether a given optimization is actually spec-compliant is often unclear. Implementers must make judgment calls about which semantics they can relax without breaking compatibility. This puts enormous pressure on runtime teams to become spec experts just to achieve acceptable performance.