BALLOUT篮球封闭特训营从2016年开办至今，已有累计超过近万名球员参与。在这里他们提升了球技，收获了成长，留下了许多难忘的记忆，也收获了家长和球员的无数好评。

BEIJING, June 9 (Xinhua) -- The Chinese Basketball Association (CBA) unveiled a 23-member roster for the Chinese men's national team training camp on Monday, featuring CBA League regular season MVP Hu ...

BALLOUT篮球封闭特训营从2016年开办至今，已有累计超过近万名球员参与。在这里他们提升了球技，收获了成长，留下了许多难忘的记忆，也收获了家长和球员的无数好评。

Camps run at BodyLab campuses and Dulwich International School, Pudong, from June to August, offering sessions: BodyLab has assembled an international team of certified coaches to deliver a ...

**题目大意**：设 $\alpha = (a_{1}, \cdots, a_{n}),\beta=(b_{1},\cdots,b_{m})$ 是两个向量，定义两个向量的乘积 $\alpha\times\beta$ 为一个 $n ...