摘要: 模板 #include <iostream> #include <cstdio> using namespace std; const int MOD = 998244353; int inv2, inv6, n, a, b, c; long long quickPower (long long x 阅读全文
posted @ 2023-01-06 16:32 duoluoluo 阅读(15) 评论(0) 推荐(0) 编辑
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