結果
問題 | No.2948 move move rotti |
ユーザー | umimel |
提出日時 | 2024-10-25 22:03:47 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,351 bytes |
コンパイル時間 | 1,950 ms |
コンパイル使用メモリ | 180,596 KB |
実行使用メモリ | 6,824 KB |
最終ジャッジ日時 | 2024-10-25 22:05:06 |
合計ジャッジ時間 | 2,897 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
(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 | 2 ms
6,816 KB |
testcase_01 | AC | 2 ms
6,820 KB |
testcase_02 | AC | 1 ms
6,816 KB |
testcase_03 | AC | 2 ms
6,820 KB |
testcase_04 | AC | 2 ms
6,820 KB |
testcase_05 | AC | 2 ms
6,820 KB |
testcase_06 | WA | - |
testcase_07 | AC | 2 ms
6,820 KB |
testcase_08 | WA | - |
testcase_09 | AC | 2 ms
6,820 KB |
testcase_10 | WA | - |
testcase_11 | AC | 1 ms
6,820 KB |
testcase_12 | AC | 2 ms
6,820 KB |
testcase_13 | AC | 2 ms
6,820 KB |
testcase_14 | AC | 2 ms
6,820 KB |
testcase_15 | AC | 2 ms
6,816 KB |
testcase_16 | AC | 2 ms
6,816 KB |
testcase_17 | AC | 1 ms
6,816 KB |
testcase_18 | AC | 2 ms
6,820 KB |
testcase_19 | AC | 2 ms
6,820 KB |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | AC | 2 ms
6,820 KB |
testcase_25 | WA | - |
testcase_26 | AC | 2 ms
6,820 KB |
testcase_27 | AC | 2 ms
6,820 KB |
testcase_28 | AC | 2 ms
6,820 KB |
testcase_29 | AC | 2 ms
6,820 KB |
testcase_30 | AC | 2 ms
6,820 KB |
ソースコード
#include<bits/stdc++.h> using namespace std; using ll = long long; #define all(a) (a).begin(), (a).end() #define pb push_back #define fi first #define se second mt19937_64 rng(chrono::system_clock::now().time_since_epoch().count()); const ll MOD1000000007 = 1000000007; const ll MOD998244353 = 998244353; const ll MOD[3] = {999727999, 1070777777, 1000000007}; const ll LINF = 1LL << 60LL; const int IINF = (1 << 30) - 2; template<typename T> struct edge{ int from; int to; T cost; int id; edge(){} edge(int to, T cost=1) : from(-1), to(to), cost(cost){} edge(int to, T cost, int id) : from(-1), to(to), cost(cost), id(id){} edge(int from, int to, T cost, int id) : from(from), to(to), cost(cost), id(id){} void reverse(){swap(from, to);} }; template<typename T> struct edges : std::vector<edge<T>>{ void sort(){ std::sort( (*this).begin(), (*this).end(), [](const edge<T>& a, const edge<T>& b){ return a.cost < b.cost; } ); } }; template<typename T = bool> struct graph : std::vector<edges<T>>{ private: int n = 0; int m = 0; edges<T> es; bool dir; public: graph(int n, bool dir) : n(n), dir(dir){ (*this).resize(n); } void add_edge(int from, int to, T cost=1){ if(dir){ es.push_back(edge<T>(from, to, cost, m)); (*this)[from].push_back(edge<T>(from, to, cost, m++)); }else{ if(from > to) swap(from, to); es.push_back(edge<T>(from, to, cost, m)); (*this)[from].push_back(edge<T>(from, to, cost, m)); (*this)[to].push_back(edge<T>(to, from, cost, m++)); } } int get_vnum(){ return n; } int get_enum(){ return m; } bool get_dir(){ return dir; } edge<T> get_edge(int i){ return es[i]; } edges<T> get_edge_set(){ return es; } }; template<typename T> struct redge{ int from, to; T cap, cost; int rev; redge(int to, T cap, T cost=(T)(1)) : from(-1), to(to), cap(cap), cost(cost){} redge(int to, T cap, T cost, int rev) : from(-1), to(to), cap(cap), cost(cost), rev(rev){} }; template<typename T> using Edges = vector<edge<T>>; template<typename T> using weighted_graph = vector<Edges<T>>; template<typename T> using tree = vector<Edges<T>>; using unweighted_graph = vector<vector<int>>; template<typename T> using residual_graph = vector<vector<redge<T>>>; struct union_find{ vector<int> par; vector<int> siz; union_find(int n) : par(n), siz(n, 1){ for(int i=0; i<n; i++) par[i] = i; } int root(int x){ if (par[x] == x) return x; return par[x] = root(par[x]); } void unite(int x, int y){ int rx = root(x); int ry = root(y); if (rx == ry) return; if (siz[rx] < siz[ry]) swap(rx, ry); siz[rx] += siz[ry]; par[ry] = rx; } bool same(int x, int y){ int rx = root(x); int ry = root(y); return rx == ry; } int size(int x){ return siz[root(x)]; } }; void solve(){ int n, m, k; cin >> n >> m >> k; vector<int> x(k); for(int i=0; i<k; i++){ cin >> x[i]; x[i]--; } graph<int> G(n, false); union_find uf(n); for(int i=0; i<m; i++){ int u, v; cin >> u >> v; G.add_edge(u-1, v-1); uf.unite(u-1, v-1); } // there does not exist all people in same connected component for(int i=1; i<k; i++) if(uf.root(x[0]) != uf.root(x[i])){ cout << "No\n"; return; } vector<int> c(n, -1); function<void(int)> dfs = [&](int v){ for(auto e : G[v]){ if(c[e.to] == -1){ c[e.to] = 1 - c[v]; dfs(e.to); }else{ if(c[e.to] == c[v]){ cout << "Yes\n"; exit(0); } } } }; c[uf.root(x[0])] = 0; dfs(uf.root(x[0])); for(int i=1; i<k; i++) if(c[x[0]] != c[x[i]]){ cout << "No\n"; return; } cout << "Yes\n"; } int main(){ cin.tie(nullptr); ios::sync_with_stdio(false); int T=1; //cin >> T; while(T--) solve(); }