摘要：
struct Node { LL m, b; }; struct ExCrt { int n; Node a[Maxk + 5]; LL exgcd (LL x, LL y, LL &a, LL &b) { if (y == 0) { a = 1, b = 0; return x; } LL tmp 阅读全文
posted @ 2022-03-24 16:12
C2022lihan
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