結果
問題 | No.2428 Returning Shuffle |
ユーザー | 👑 AngrySadEight |
提出日時 | 2023-08-18 22:47:22 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 610 ms / 2,000 ms |
コード長 | 4,919 bytes |
コンパイル時間 | 5,545 ms |
コンパイル使用メモリ | 225,168 KB |
実行使用メモリ | 54,372 KB |
最終ジャッジ日時 | 2024-11-28 09:00:29 |
合計ジャッジ時間 | 11,137 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge4 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 339 ms
28,416 KB |
testcase_01 | AC | 610 ms
54,372 KB |
testcase_02 | AC | 606 ms
54,248 KB |
testcase_03 | AC | 9 ms
11,136 KB |
testcase_04 | AC | 10 ms
11,136 KB |
testcase_05 | AC | 9 ms
11,136 KB |
testcase_06 | AC | 9 ms
11,136 KB |
testcase_07 | AC | 9 ms
11,136 KB |
testcase_08 | AC | 9 ms
11,136 KB |
testcase_09 | AC | 9 ms
11,136 KB |
testcase_10 | AC | 9 ms
11,136 KB |
testcase_11 | AC | 9 ms
11,008 KB |
testcase_12 | AC | 9 ms
11,008 KB |
testcase_13 | AC | 9 ms
11,008 KB |
testcase_14 | AC | 9 ms
11,136 KB |
testcase_15 | AC | 10 ms
11,136 KB |
testcase_16 | AC | 9 ms
11,136 KB |
testcase_17 | AC | 10 ms
11,008 KB |
testcase_18 | AC | 9 ms
11,136 KB |
testcase_19 | AC | 437 ms
33,676 KB |
testcase_20 | AC | 416 ms
33,544 KB |
testcase_21 | AC | 9 ms
11,136 KB |
testcase_22 | AC | 9 ms
11,136 KB |
testcase_23 | AC | 9 ms
11,008 KB |
testcase_24 | AC | 446 ms
26,968 KB |
testcase_25 | AC | 432 ms
26,844 KB |
ソースコード
#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include <algorithm> #include <atcoder/all> #include <bitset> #include <cassert> #include <cmath> #include <ctime> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <tuple> #include <unordered_map> #include <unordered_set> #include <utility> #include <vector> using namespace std; using namespace atcoder; typedef long long ll; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repr(i, n) for (int i = (int)(n)-1; i >= 0; i--) #define repk(i, k, n) for (int i = k; i < (int)(n); i++) #define all(v) v.begin(), v.end() #define mod1 1000000007 #define mod2 998244353 #define mod3 100000007 #define vi vector<int> #define vs vector<string> #define vc vector<char> #define vl vector<ll> #define vb vector<bool> #define vvi vector<vector<int>> #define vvc vector<vector<char>> #define vvl vector<vector<ll>> #define vvb vector<vector<bool>> #define vvvi vector<vector<vector<int>>> #define vvvl vector<vector<vector<ll>>> #define pii pair<int, int> #define pil pair<int, ll> #define pli pair<ll, int> #define pll pair<ll, ll> #define vpii vector<pair<int, int>> #define vpll vector<pair<ll, ll>> #define vvpii vector<vector<pair<int, int>>> #define vvpll vector<vector<pair<ll, ll>>> using mint = modint998244353; template <typename T> void debug(T e) { cerr << e << endl; } template <typename T> void debug(vector<T> &v) { rep(i, v.size()) { cerr << v[i] << " "; } cerr << endl; } template <typename T> void debug(vector<vector<T>> &v) { rep(i, v.size()) { rep(j, v[i].size()) { cerr << v[i][j] << " "; } cerr << endl; } } template <typename T> void debug(vector<pair<T, T>> &v) { rep(i, v.size()) { cerr << v[i].first << " " << v[i].second << endl; } } template <typename T> void debug(set<T> &st) { for (auto itr = st.begin(); itr != st.end(); itr++) { cerr << *itr << " "; } cerr << endl; } template <typename T> void debug(multiset<T> &ms) { for (auto itr = ms.begin(); itr != ms.end(); itr++) { cerr << *itr << " "; } cerr << endl; } template <typename T> void debug(map<T, T> &mp) { for (auto itr = mp.begin(); itr != mp.end(); itr++) { cerr << itr->first << " " << itr->second << endl; } } void debug_out() { cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << H << " "; debug_out(T...); } ll my_pow(ll x, ll n, ll mod) { // 繰り返し二乗法.x^nをmodで割った余り. ll ret; if (n == 0) { ret = 1; } else if (n % 2 == 1) { ret = (x * my_pow((x * x) % mod, n / 2, mod)) % mod; } else { ret = my_pow((x * x) % mod, n / 2, mod); } return ret; } ll inv(ll x, ll mod) { return my_pow(x, mod - 2, mod); } ll my_gcd(ll a, ll b) { ll ret = 0; if (a < b) { swap(a, b); } if (b == 0) { ret = a; } else { ret = my_gcd(b, a % b); } return ret; } int main() { ll N, M; cin >> N >> M; vector<ll> T(M); vector<vector<ll>> S(M, vector<ll>(0)); for (ll i = 0; i < M; i++) { cin >> T[i]; for (ll j = 0; j < T[i]; j++) { ll s; cin >> s; S[i].push_back(s - 1); } } vector<ll> final(N); for (ll i = 0; i < N; i++) { final[i] = i; } for (ll i = 0; i < M; i++) { vector<ll> nxt(T[i]); for (ll j = 0; j < T[i]; j++) { nxt[j] = final[S[i][(j + T[i] - 1) % T[i]]]; } for (ll j = 0; j < T[i]; j++) { final[S[i][j]] = nxt[j]; } // debug(nxt); // debug(final); } vector<ll> rings(0); vector<bool> isvisited(N, false); for (ll i = 0; i < N; i++) { ll cnt = 0; if (isvisited[i]) { continue; } ll now = i; while (true) { isvisited[now] = true; cnt++; if (final[now] == i) { break; } now = final[now]; } rings.push_back(cnt); } ll lcm = 1; vector<ll> has(1000002, 0); for (ll i = 0; i < rings.size(); i++) { ll val = rings[i]; for (ll j = 2; j * j <= val; j++) { ll count = 0; while (true) { if (val % j != 0) { break; } val /= j; count++; } has[j] = max(has[j], count); } if (val != 1) { has[val] = max(has[val], 1LL); } } for (ll i = 2; i <= 1000001; i++) { for (ll j = 0; j < has[i]; j++) { lcm = (lcm * i) % mod2; } } cout << lcm << endl; }