結果
問題 | No.2780 The Bottle Imp |
ユーザー | MMRZ |
提出日時 | 2024-06-07 23:58:03 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 88 ms / 2,000 ms |
コード長 | 4,193 bytes |
コンパイル時間 | 3,400 ms |
コンパイル使用メモリ | 263,892 KB |
実行使用メモリ | 32,504 KB |
最終ジャッジ日時 | 2024-06-08 10:40:11 |
合計ジャッジ時間 | 5,987 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | 2 ms
6,812 KB |
testcase_01 | AC | 2 ms
6,944 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 44 ms
13,312 KB |
testcase_08 | AC | 51 ms
13,312 KB |
testcase_09 | AC | 46 ms
13,312 KB |
testcase_10 | AC | 53 ms
13,312 KB |
testcase_11 | AC | 49 ms
13,312 KB |
testcase_12 | AC | 88 ms
22,828 KB |
testcase_13 | AC | 82 ms
22,824 KB |
testcase_14 | AC | 25 ms
6,944 KB |
testcase_15 | AC | 24 ms
6,944 KB |
testcase_16 | AC | 25 ms
6,944 KB |
testcase_17 | AC | 24 ms
6,940 KB |
testcase_18 | AC | 25 ms
6,940 KB |
testcase_19 | AC | 25 ms
6,940 KB |
testcase_20 | AC | 24 ms
6,940 KB |
testcase_21 | AC | 24 ms
6,944 KB |
testcase_22 | AC | 19 ms
6,944 KB |
testcase_23 | AC | 24 ms
6,940 KB |
testcase_24 | AC | 41 ms
11,648 KB |
testcase_25 | AC | 69 ms
17,496 KB |
testcase_26 | AC | 42 ms
9,856 KB |
testcase_27 | AC | 23 ms
11,008 KB |
testcase_28 | AC | 23 ms
11,008 KB |
testcase_29 | AC | 28 ms
12,800 KB |
testcase_30 | AC | 20 ms
11,392 KB |
testcase_31 | AC | 47 ms
19,664 KB |
testcase_32 | AC | 11 ms
6,944 KB |
testcase_33 | AC | 55 ms
27,652 KB |
testcase_34 | AC | 63 ms
32,504 KB |
testcase_35 | AC | 11 ms
6,944 KB |
testcase_36 | AC | 2 ms
6,940 KB |
testcase_37 | AC | 2 ms
6,944 KB |
testcase_38 | AC | 10 ms
6,940 KB |
testcase_39 | AC | 38 ms
17,904 KB |
testcase_40 | AC | 40 ms
18,020 KB |
testcase_41 | AC | 39 ms
17,892 KB |
testcase_42 | AC | 2 ms
6,940 KB |
testcase_43 | AC | 2 ms
6,940 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; struct scc_graph { vector<vector<int>> g; vector<vector<int>> rg; vector<bool> used; vector<int> cmp; vector<int> vs; int n; int k; scc_graph(int _n) : n(_n), k(0) { g.resize(n); rg.resize(n); used.resize(n); cmp.resize(n); } void add_edge(int a, int b) { g[a].push_back(b); rg[b].push_back(a); } void dfs(int v){ used[v] = true; for(auto to : g[v]){ if(not used[to])dfs(to); } vs.pb(v); } void rdfs(int v, int col){ used[v] = true; cmp[v] = col; for(auto to : rg[v]){ if(not used[to])rdfs(to, col); } } vector<vector<int>> scc() { for(int i = 0;i < n;i++){ if(not used[i])dfs(i); } for(int i = 0;i < n;i++){ used[i] = false; } for(auto i = vs.rbegin();i != vs.rend();i++){ if(not used[*i])rdfs(*i, k++); } vector<vector<int>> ret(k); for(int i = 0;i < n;i++){ ret[cmp[i]].push_back(i); } return ret; } }; void SOLVE(){ int n; cin >> n; scc_graph g(n); vector<vector<int>> gr(n); rep(i, n){ int a; cin >> a; rep(j, a){ int b; cin >> b; b--; gr[i].pb(b); g.add_edge(i, b); } } auto scc = g.scc(); vector<int> topol(n); rep(i, len(scc)){ for(auto y : scc[i]){ topol[y] = i; } } bool flg = false; for(auto i : scc[0]){ if(i == 0)flg = true; } if(!flg){ cout << "No" << endl; return; } rep(i, len(scc)-1){ bool c = false; for(auto j : scc[i]){ for(auto k : gr[j]){ if(topol[k] == i+1)c = true; } } if(not c){ cout << "No" << endl; return; } } cout << "Yes" << endl; } void mmrz::solve(){ int t = 1; //cin >> t; while(t--)SOLVE(); }