描述：n 辆车在单行道开往 target。车不能超车，可追上前车并同速行驶。车队定义为并排或同速行驶的车组。返回到达目的地的车队数量。
The Department of Defense, known under the Trump administration as the Department of War, has just officially designated AI company Anthropic a "supply-chain risk" to national security. But Anthropic isn't buying it.
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MPs were told by Steve Reed that the government had a duty to act against record levels of hate crime against Muslims, but that “you can’t tackle a problem if you can’t describe it”.
In the case of the walkway, it is one of many owned and maintained by private developers to "facilitate all-weather, safe and convenient connectivity", authorities told the BBC.
} else if n < 0 {