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"Rikka with Cake" c++ pragma GCC optimize(2) include using namespace std; const int maxn=2e5+10; struct node{ int x,y; char dir; }a[maxn]; int _,n,m,k 阅读全文
posted @ 2019-08-19 17:54
Snow_in_winer
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【模板】可持久化并查集 阅读全文
posted @ 2019-08-19 09:37
Snow_in_winer
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