HBC237298最长非公共子序列,字符串,模拟Plus题解

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Givennnn, you need to find all pairs(p,q)(p,q)(p,q)such that: 1≤p≤q≤n1leq pleq qleq n1≤p≤q≤n. p,qp,qp,qare all primes. pq+qpp^q+q^ppq+qpis a prime.

Given nnn, you need to find all pairs (p,q)(p,q)(p,q) such that: 1≤p≤q≤n1leq pleq qleq n1≤p≤q≤n. p,qp,qp,q are all primes. pq+qpp^q+q^ppq+qp is a prime.

标签： HBC237298最长非公共子序列 字符串 模拟Plus题解