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11 2022 档案

Hash表板子
摘要：#include<bits/stdc++.h> using namespace std; #define ll long long #define ull unsigned long long ull rx=1e9+7; ll rand(ll x,ll y){rx*=998244353;return 阅读全文

posted @ 2022-11-06 15:34 CHK666 阅读(42) 评论(0) 推荐(0)