摘要: 线段树很重要!!!#include#includeusing namespace std;int a[100005];struct node{ int l,r,Min,mid; long long sum,add;}s[500010];void pushDown(int idx){ lon... 阅读全文
posted @ 2014-07-30 19:47 skyline-Mayc 阅读(255) 评论(0) 推荐(0)