2021.08.15 FWT快速沃尔什变换
摘要:先把模板代码贴在这,其他的明天再写) #include <bits/stdc++.h> using namespace std; typedef long long ll; const int N=1e6+11; const long long mo=998244353; int n,m; ll a
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posted @ 2021-08-15 23:24
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posted @ 2021-08-15 23:24
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