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主♂席♂树♂裸♂题 https://syzoj.com/problem/279 https://oj.changjun.com.cn/problem/detail/pid/2425 cpp // It is made by XZZ include include define il inline d 阅读全文
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炒鸡大水题! 从高到低枚举每一位能不能取1,然后分别算出该位取0和取1的答案再比对。 cpp // It is made by XZZ include include define il inline define rg register define vd void define sta stat 阅读全文
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很久以前写的,但因为拿来出题一直没敢FA题解。。。 这是一份树套树的题解,n,m include include include include define il inline define rg register define vd void define sta static typedef 阅读全文