結果
問題 | No.2780 The Bottle Imp |
ユーザー | MMRZ |
提出日時 | 2024-06-07 23:28:50 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 281 ms / 2,000 ms |
コード長 | 4,427 bytes |
コンパイル時間 | 3,642 ms |
コンパイル使用メモリ | 270,036 KB |
実行使用メモリ | 44,624 KB |
最終ジャッジ日時 | 2024-06-08 10:38:53 |
合計ジャッジ時間 | 6,623 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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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 | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 1 ms
5,376 KB |
testcase_03 | AC | 1 ms
5,376 KB |
testcase_04 | AC | 1 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 49 ms
16,896 KB |
testcase_08 | AC | 45 ms
16,896 KB |
testcase_09 | AC | 45 ms
16,640 KB |
testcase_10 | AC | 45 ms
16,768 KB |
testcase_11 | AC | 45 ms
16,768 KB |
testcase_12 | AC | 86 ms
32,972 KB |
testcase_13 | AC | 84 ms
32,964 KB |
testcase_14 | AC | 19 ms
6,144 KB |
testcase_15 | AC | 18 ms
6,144 KB |
testcase_16 | AC | 18 ms
6,144 KB |
testcase_17 | AC | 18 ms
6,144 KB |
testcase_18 | AC | 17 ms
6,144 KB |
testcase_19 | AC | 18 ms
6,144 KB |
testcase_20 | AC | 18 ms
6,144 KB |
testcase_21 | AC | 17 ms
6,144 KB |
testcase_22 | AC | 15 ms
7,168 KB |
testcase_23 | AC | 17 ms
6,272 KB |
testcase_24 | AC | 37 ms
14,464 KB |
testcase_25 | AC | 70 ms
24,284 KB |
testcase_26 | AC | 28 ms
9,728 KB |
testcase_27 | AC | 16 ms
8,576 KB |
testcase_28 | AC | 15 ms
8,448 KB |
testcase_29 | AC | 31 ms
15,872 KB |
testcase_30 | AC | 26 ms
14,976 KB |
testcase_31 | AC | 28 ms
14,080 KB |
testcase_32 | AC | 8 ms
5,376 KB |
testcase_33 | AC | 42 ms
24,576 KB |
testcase_34 | AC | 281 ms
44,624 KB |
testcase_35 | AC | 8 ms
5,376 KB |
testcase_36 | AC | 1 ms
5,376 KB |
testcase_37 | AC | 1 ms
5,376 KB |
testcase_38 | AC | 8 ms
5,376 KB |
testcase_39 | AC | 29 ms
14,848 KB |
testcase_40 | AC | 26 ms
14,848 KB |
testcase_41 | AC | 25 ms
14,976 KB |
testcase_42 | AC | 2 ms
5,376 KB |
testcase_43 | AC | 2 ms
5,376 KB |
ソースコード
#line 1 "cp_templates/template/template.hpp" # include <bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; const double pi = acos(-1); template<class T>constexpr T inf() { return ::std::numeric_limits<T>::max(); } template<class T>constexpr T hinf() { return inf<T>() / 2; } template <typename T_char>T_char TL(T_char cX) { return tolower(cX); } template <typename T_char>T_char TU(T_char cX) { return toupper(cX); } template<class T> bool chmin(T& a,T b) { if(a > b){a = b; return true;} return false; } template<class T> bool chmax(T& a,T b) { if(a < b){a = b; return true;} return false; } int popcnt(unsigned long long n) { int cnt = 0; for (int i = 0; i < 64; i++)if ((n >> i) & 1)cnt++; return cnt; } int d_sum(ll n) { int ret = 0; while (n > 0) { ret += n % 10; n /= 10; }return ret; } int d_cnt(ll n) { int ret = 0; while (n > 0) { ret++; n /= 10; }return ret; } ll gcd(ll a, ll b) { if (b == 0)return a; return gcd(b, a%b); }; ll lcm(ll a, ll b) { ll g = gcd(a, b); return a / g*b; }; ll MOD(ll x, ll m){return (x%m+m)%m; } ll FLOOR(ll x, ll m) {ll r = (x%m+m)%m; return (x-r)/m; } template<class T> using dijk = priority_queue<T, vector<T>, greater<T>>; # define all(qpqpq) (qpqpq).begin(),(qpqpq).end() # define UNIQUE(wpwpw) (wpwpw).erase(unique(all((wpwpw))),(wpwpw).end()) # define LOWER(epepe) transform(all((epepe)),(epepe).begin(),TL<char>) # define UPPER(rprpr) transform(all((rprpr)),(rprpr).begin(),TU<char>) # define rep(i,upupu) for(ll i = 0, i##_len = (upupu);(i) < (i##_len);(i)++) # define reps(i,opopo) for(ll i = 1, i##_len = (opopo);(i) <= (i##_len);(i)++) # define len(x) ((ll)(x).size()) # define bit(n) (1LL << (n)) # define pb push_back # define exists(c, e) ((c).find(e) != (c).end()) struct INIT{ INIT(){ std::ios::sync_with_stdio(false); std::cin.tie(0); cout << fixed << setprecision(20); } }INIT; namespace mmrz { void solve(); } int main(){ mmrz::solve(); } #line 1 "cp_templates/data_structure/union_find.hpp" struct union_find { vector<int> v; union_find(size_t size) : v(size, -1) {} int root(int x){ return (v[x] < 0 ? x : v[x] = root(v[x])); } bool is_root(int x){ return root(x) == x; } void unite(int x, int y){ x = root(x); y = root(y); if(x != y){ if(v[x] > v[y])swap(x, y); v[x] += v[y]; v[y] = x; } } bool is_same(int x,int y){ return root(x) == root(y); } int get_size(int x){ x = root(x); return -v[x]; } }; #line 3 "2780.cpp" using namespace mmrz; void SOLVE(){ int n; cin >> n; vector<vector<int>> g(n), rg(n); rep(i, n){ int a; cin >> a; rep(j, a){ int b; cin >> b; b--; g[i].pb(b); rg[b].pb(i); } } vector<bool> used(n); vector<int> cmp(n); vector<int> vs; auto dfs = [&](auto f, int v) -> void { used[v] = true; rep(i, len(g[v])){ if(not used[g[v][i]])f(f, g[v][i]); } vs.pb(v); }; auto rdfs = [&](auto f, int v, int k) -> void { used[v] = true; cmp[v] = k; rep(i, len(rg[v])){ if(not used[rg[v][i]])f(f, rg[v][i], k); } }; rep(i, n){ if(not used[i])dfs(dfs, i); } rep(i, n)used[i] = false; int k = 0; for(int i = len(vs)-1;i >= 0;i--){ if(not used[vs[i]])rdfs(rdfs, vs[i], k++); } vector<set<int>> g_st(k), rg_st(k); rep(i, n){ for(auto to : g[i])if(cmp[i] != cmp[to])g_st[cmp[i]].insert(cmp[to]); for(auto to : g[i])if(cmp[i] != cmp[to])rg_st[cmp[to]].insert(cmp[i]); } vector<int> indeg(k), outdeg(k); union_find uf(k); rep(i, k){ for(auto to : g_st[i]){ indeg[to]++; outdeg[i]++; uf.unite(i, to); } } int st = cmp[0]; vector<int> dis(k, hinf<int>()); dis[st] = 0; queue<int> q; q.push(st); while(not q.empty()){ int p = q.front(); q.pop(); for(auto to : g_st[p]){ if(dis[to] != hinf<int>())continue; dis[to] = dis[p]+1; q.push(to); break; } } vector<bool> vis(n, false); int cur = max_element(all(dis))-dis.begin(); vis[cur] = true; q.push(cur); while(not q.empty()){ int p = q.front(); cerr << dis[p] << endl; q.pop(); int mx = -1, mi = -1; for(auto to : rg_st[p]){ if(chmax(mx, dis[to])){ mi = to; } } if(mi == -1)break; vis[mi] = true; q.push(mi); } rep(i, k){ if(not vis[i]){ cout << "No" << endl; return; } } cout << "Yes" << endl; } void mmrz::solve(){ int t = 1; //cin >> t; while(t--)SOLVE(); }