摘要:
#include using namespace std; typedef long long ll; ll f[30][30][30]; ll n; int main() { while (~scanf("%lld",&n)) { f[0][1][1]=1; for (int i=1... 阅读全文
posted @ 2019-09-23 17:17
Snow_in_winer
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摘要:
#pragma GCC optimize(3,"Ofast","inline") #include <bits/stdc++.h> using namespace std; typedef long long ll; const ll maxn=1000005; int prime[maxn/10],phi[maxn]; bool vis[maxn]; int tot; inline int gc 阅读全文
posted @ 2019-09-23 15:06
Snow_in_winer
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