摘要: #include<bits/stdc++.h> #pragma GCC optimize(2) #define ll long long using namespace std; ll n,m;ll a[1000001];ll tree[1000001];ll tag[1000001]; int t 阅读全文
posted @ 2025-04-08 21:41 邓佑孤 阅读(22) 评论(0) 推荐(0)