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。
That has meant a longer wait for Smith and the 500 others in the West Midlands who desperately need a vital operation.
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Advanced marketing copy generation
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