摘要: 1.单点修改裸题(HDU1754) #include<iostream> #include<algorithm> using namespace std; const int maxn=2e+5; int n,m,a[maxn]; struct tree{ int l,r,v; }trees[max 阅读全文
posted @ 2020-01-29 17:47 waryan 阅读(207) 评论(0) 推荐(1)