摘要: ```cpp include include define MAXN 100005 struct tree{ long long val,add,mul; }seg[MAXN 1; Build(rtr||R=r){ seg[rt].val = (seg[rt].val x)%P; seg[rt].m 阅读全文
posted @ 2018-04-21 18:48 Neworld1111 阅读(128) 评论(0) 推荐(0) 编辑