摘要: ... 5 4 3 2 5 1(用树状数组$a[i]-n$) 0 0 0 1 1 0 0 1 2 2 0 1 2 3 3 0 1 2 3 4 1 2 3 4 5 #include <iostream> using namespace std; int a[200010], p[200010], t[ 阅读全文
posted @ 2021-07-27 00:02 Acception 阅读(68) 评论(0) 推荐(0)