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https://www.songhn.com/P1198/
这道题其实就是线段树单点修改区间查询,但开了long long scanf一定要用lld啊 调了半天,真是绝望
#include<bits/stdc++.h> using namespace std; const int maxn=
The text was updated successfully, but these errors were encountered:
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https://www.songhn.com/P1198/
这道题其实就是线段树单点修改区间查询,但开了long long scanf一定要用lld啊 调了半天,真是绝望
#include<bits/stdc++.h>
using namespace std;
const int maxn=
The text was updated successfully, but these errors were encountered: