摘要: #include<bits/stdc++.h> using namespace std; const int N = 10001; int a[N]; int tree[N*2]; build_tree(int a[],int tree[],int node,int start,int end1) 阅读全文
posted @ 2020-03-29 02:27 想拿牌想考研的菜鸡 阅读(118) 评论(0) 推荐(0) 编辑