10 2020 档案

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摘要：#include<cstdio> #include<queue> #include<cstring> using namespace std; const int maxn=5e5+10; typedef long long ll; ll a[maxn],b[maxn],sum[maxn],f[ma 阅读全文
posted @ 2020-10-07 16:37 ddoodd 阅读(132) 评论(0) 推荐(0) 编辑