結果
問題 | No.1392 Don't be together |
ユーザー | Enjapma_kyopro |
提出日時 | 2021-02-13 15:42:14 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
MLE
|
実行時間 | - |
コード長 | 3,879 bytes |
コンパイル時間 | 1,732 ms |
コンパイル使用メモリ | 174,264 KB |
実行使用メモリ | 595,104 KB |
最終ジャッジ日時 | 2024-07-20 18:33:48 |
合計ジャッジ時間 | 10,066 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
(要ログイン)
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 | 7 ms
8,448 KB |
testcase_01 | AC | 7 ms
8,320 KB |
testcase_02 | AC | 8 ms
8,576 KB |
testcase_03 | AC | 7 ms
8,448 KB |
testcase_04 | AC | 7 ms
8,448 KB |
testcase_05 | AC | 7 ms
8,320 KB |
testcase_06 | AC | 225 ms
248,704 KB |
testcase_07 | AC | 538 ms
480,128 KB |
testcase_08 | AC | 429 ms
422,912 KB |
testcase_09 | MLE | - |
testcase_10 | AC | 380 ms
290,756 KB |
testcase_11 | AC | 502 ms
455,472 KB |
testcase_12 | AC | 294 ms
272,000 KB |
testcase_13 | AC | 415 ms
379,648 KB |
testcase_14 | AC | 459 ms
422,400 KB |
testcase_15 | AC | 335 ms
285,952 KB |
testcase_16 | AC | 507 ms
459,776 KB |
testcase_17 | AC | 343 ms
306,432 KB |
testcase_18 | AC | 452 ms
412,160 KB |
testcase_19 | AC | 408 ms
366,592 KB |
testcase_20 | AC | 186 ms
173,440 KB |
testcase_21 | AC | 74 ms
70,784 KB |
testcase_22 | AC | 288 ms
262,656 KB |
testcase_23 | AC | 191 ms
182,144 KB |
testcase_24 | AC | 113 ms
108,032 KB |
testcase_25 | AC | 214 ms
197,504 KB |
testcase_26 | AC | 59 ms
58,112 KB |
testcase_27 | AC | 86 ms
81,024 KB |
testcase_28 | AC | 247 ms
220,288 KB |
testcase_29 | AC | 121 ms
116,864 KB |
ソースコード
#include <bits/stdc++.h> #include <numeric> using namespace std; // using mint = long double; // using mint = modint998244353; // using mint = modint1000000007; typedef long long ll; typedef pair<ll, ll> P; typedef pair<P, ll> T; typedef pair<ll, vector<ll> > Pd; const ll INF = 1e18; const ll fact_table = 320008; priority_queue <ll> pql; priority_queue <P> pqp; //big priority queue // priority_queue <ll, vector<ll>, greater<ll> > pqls; priority_queue <P, vector<P>, greater<P> > pqps; //small priority queue //top pop ll dx[8] = {1, 0, -1, 0, 1, 1, -1, -1}; ll dy[8] = {0, 1, 0, -1, -1, 1, 1, -1}; //↓,→,↑,← /* #define endl "\n" #ifdef ENJAPMA #undef endl #endif */ #define p(x) cout<<x<<endl; #define el cout<<endl; #define pe(x) cout<<x<<" "; #define ps(x) cout<<fixed<<setprecision(25)<<x<<endl; #define pu(x) cout<<(x); #define pb push_back #define lb lower_bound #define ub upper_bound #define pc(x) cout << x << ","; #define rep(i, n) for (ll i = 0; i < (n); i ++) #define rep2(i, a, b) for (ll i = a; i <= (b); i++) #define rep3(i, a, b) for (ll i = a; i >= (b); i--) typedef vector<ll> vec; typedef vector<vector<ll>> mat; // vec v(n) -> 長さnのベクトルを宣言 // mat dp(h, vec(w)) -> h * w の行列を宣言 const ll mod = 998244353ll; // const ll mod = 1000000007ll; ll mypow(ll a, ll b, ll m = mod) {ll x = 1; while (b) {while (!(b & 1)) {(a *= a) %= m; b >>= 1;}(x *= a) %= m; b--;} return x;} vec rv(ll read) { vec res(read); for (int i = 0; i < read; i++) { cin >> res[i]; } return res;} void YES(bool cond) { if (cond) { p("YES");} else { p("NO");} return;} void Yes(bool cond) { if (cond) { p("Yes");} else { p("No");} return;} void line() { p("--------------------"); return;} ll fact[fact_table + 5], rfact[fact_table + 5]; void c3_init() { fact[0] = rfact[0] = 1; for (ll i = 1; i <= fact_table; i++) { fact[i] = (fact[i - 1] * i) % mod; } rfact[fact_table] = mypow(fact[fact_table], mod - 2, mod); for (ll i = fact_table; i >= 1; i--) { rfact[i - 1] = rfact[i] * i; rfact[i - 1] %= mod; } return; } ll c3(ll n, ll r) { return (((fact[n] * rfact[r]) % mod ) * rfact[n - r]) % mod; } bool icpc = false; bool multicase = false; ll n, m; ll p[5005]; ll x[5005]; bool used[5005]; ll dp[5005][5005][3]; ll dfs(ll color, ll i, ll par) { if (used[i]) { // 清算を行う return dp[color][par][0]; } used[i] = true; if (par == -1) { dp[color][i][0] = 0; dp[color][i][1] = color; } else { dp[color][i][1] += dp[color][par][0]; dp[color][i][0] += dp[color][par][1] * (color - 1) % mod; dp[color][i][0] += dp[color][par][0] * (color - 2) % mod; dp[color][i][0] %= mod; } return dfs(color, p[i], i); } bool solve() { cin >> n >> m; c3_init(); for (int i = 1; i <= n; i++) { cin >> p[i]; } for (int color = 1; color <= m; color ++) { ll res = 1ll; for (int i = 1; i <= n; i++) used[i] = false; for (int i = 1; i <= n; i++) { if (!used[i]) { res *= dfs(color, i, -1); res %= mod; } } x[color] = res; } ll ans = 0ll; ll flag = 1ll; for (int color = m; color >= 1; color --) { ans += ((x[color] * flag) % mod) * c3(m, color) % mod; flag = (mod - flag); ans %= mod; } ans *= rfact[m]; ans %= mod; p(ans); return true; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); if (icpc) { while (solve()); return 0; } ll q, testcase = 1; if (multicase) { cin >> q; } else { q = 1; } while (q--) { // pu("Case ");pu("#");pu(testcase);pu(": "); solve(); testcase++; } // solve(); return 0; }