摘要: 原题链接 code #include<bits/stdc++.h> using namespace std; #define ll long long ll a[100005]={0}; ll lazyadd[400005]={0}; ll lazymul[400005]={0}; ll tree[ 阅读全文
posted @ 2024-01-14 13:32 纯粹的 阅读(11) 评论(0) 推荐(0)