线段树板子题自用
摘要:思路:单点修改,区间查询 #include<cstdio> #include<cstring> #include<iostream> #include<algorithm> using namespace std; const int INF=0xffffff0; const int maxn=10
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posted @ 2022-06-05 15:46
posted @ 2022-06-05 15:46
posted @ 2022-05-30 20:17
posted @ 2022-05-23 11:23