結果
問題 | No.2428 Returning Shuffle |
ユーザー |
|
提出日時 | 2023-08-18 21:28:22 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,936 bytes |
コンパイル時間 | 2,809 ms |
コンパイル使用メモリ | 199,572 KB |
最終ジャッジ日時 | 2025-02-16 09:37:03 |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 9 WA * 14 |
ソースコード
// (◕ᴗ◕✿) #include <bits/stdc++.h> #define rep(i, n) for (ll i = 0; i < (n); i++) #define srep(i, s, n) for (ll i = s; i < (n); i++) #define len(x) ((int)(x).size()) #define all(x) (x).begin(), (x).end() using namespace std; template<typename T> using vc = vector<T>; template<typename T> using vv = vc<vc<T>>; using vi = vc<int>;using vvi = vv<int>; using vvvi = vv<vi>; using ll = long long;using vl = vc<ll>;using vvl = vv<ll>; using vvvl = vv<vl>; using ld = long double; using vld = vc<ld>; using vvld = vc<vld>; using vvvld = vc<vvld>; using uint = unsigned int; using ull = unsigned long long; const double pi = 3.141592653589793; const int inf = 0x3f3f3f3f; const ll INF = 0x3f3f3f3f3f3f3f3f; // const ll mod = 1000000007; const ll mod = 998244353; inline bool inside(long long y, long long x, long long H, long long W) {return 0 <= (y) and (y) < (H) and 0 <= (x) and (x) < (W); } #define debug(var) do{std::cout << #var << " : \n";view(var);}while(0) template<typename T> void view(T e){cout << e << endl;} template<typename T> void view(const vc<T>& v){for(const auto& e : v){ cout << e << " "; } cout << endl;} template<typename T> void view(const vv<T>& vv){ for(const auto& v : vv){ view(v); } } int main(){ int N, M; cin >> N >> M; vi now(N); rep(i, N) now[i] = i; rep(i, M){ int t; cin >> t; vi S(t); rep(j, t) cin >> S[j]; rep(j, t) S[j]--; rep(j, t) now[S[j]] = S[(j + 1) % t]; } vc<bool> seen(N, false); vl res; rep(i, N){ if (seen[i]) continue; int id = i, cnt = 0; while (!seen[id]){ seen[id] = true; id = now[id]; cnt++; } res.push_back(cnt); } ll g = res[0]; for (auto x : res) g = gcd(g, x); rep(i, len(res)) res[i] /= g; ll ret = 1; for (auto x : res){ ret *= x; ret %= mod; } cout << ret << endl; }