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摘要: #include <bits/stdc++.h> using namespace std; const int N = 2e5 + 10; const int M = N << 2; int n, cnt[27], a[N][27]; int tr[M][27], tag[M][27], pos[M 阅读全文
posted @ 2025-11-15 17:23 tony0530 阅读(11) 评论(0) 推荐(0)