in:

1 1 1
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1

https://www.luogu.com.cn/article/kjpcb1gk,https://www.luogu.com.cn/article/e1h99s5f,https://www.luogu.com.cn/article/l0xc5ghm,https://www.luogu.com.cn/article/kumogasn, https://www.luogu.com.cn/article/7ahnx7pr 输出 0

https://www.luogu.com.cn/article/7iyox1fw 输出 1 1