摘要: "P5111 zhtobu3232的线段树" 维护左子树右子树的贡献和跨区间贡献 cpp include using namespace std; typedef long long LL; const LL maxn=10000000; const LL inf=2147483646; const 阅读全文
posted @ 2018-12-23 10:16 y2823774827y 阅读(170) 评论(0) 推荐(0) 编辑