摘要: const int P = 998244353; int power(int a, int b, int c = 1) { for(; b; b >>= 1, a = (ll)a * a % P) if(b & 1) c = (ll)c * a % P; return c; } struct min 阅读全文
posted @ 2021-12-10 08:16 SegmentTree 阅读(54) 评论(0) 推荐(0) 编辑