結果
問題 | No.1190 Points |
ユーザー | uchiiii |
提出日時 | 2020-09-01 02:22:35 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,782 bytes |
コンパイル時間 | 3,619 ms |
コンパイル使用メモリ | 228,776 KB |
実行使用メモリ | 10,704 KB |
最終ジャッジ日時 | 2024-11-17 03:36:55 |
合計ジャッジ時間 | 7,495 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
(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 | 5 ms
6,528 KB |
testcase_01 | AC | 5 ms
6,400 KB |
testcase_02 | AC | 4 ms
6,400 KB |
testcase_03 | AC | 64 ms
9,344 KB |
testcase_04 | AC | 54 ms
8,832 KB |
testcase_05 | AC | 53 ms
8,832 KB |
testcase_06 | AC | 93 ms
9,728 KB |
testcase_07 | AC | 103 ms
10,240 KB |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
ソースコード
#pragma GCC target("avx2") #pragma GCC optimize("03") #pragma GCC optimize("unroll-loops") #include <bits/stdc++.h> using namespace std; typedef long double ld; typedef long long ll; typedef unsigned long long ull; #define endl "\n" #define FOR(i,a,b) for(int i=(a);i<=(b);i++) #define rep(i,n) for(int i=0;i<(n);i++) #define PII pair<int, int> #define PLL pair<ll, ll> #define ALL(x) (x).begin(), (x).end() int dx[] = {1, 0, -1, 0}; int dy[] = {0, 1, 0, -1}; constexpr int INF=1<<30; constexpr ll LINF=1LL<<60; constexpr ll mod=1e9+7; template<class T>vector<T> vec(int len, T elem) { return vector<T>(len, elem); } // auto dp = vec(52, vec(103, vec(103, INF))); template<class T>inline bool chmax(T &a, const T &b) { if (a<b) { a = b; return 1; } return 0; } template<class T>inline bool chmin(T &a, const T &b) { if (b<a) { a = b; return 1; } return 0; } template<class T>inline int popcount(T a) {return __builtin_popcount(a);} template<class T>inline T emod(T a, T p) { return (a%p + p) % p;} template <typename T> istream &operator>>(istream &is, vector<T> &vec) { for (auto &v : vec) is >> v; return is; } template <typename T> ostream &operator<<(ostream &os, const vector<T> &vec) {os << '\n'; for (auto v : vec) os << v << ' '; os << '\n'; return os;} template <typename T> ostream &operator<<(ostream &os, const deque<T> &vec) { os << "deq["; for (auto v : vec) os << v << ','; os << ']'; return os; } template <typename T> ostream &operator<<(ostream &os, const set<T> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; } template <typename T> ostream &operator<<(ostream &os, const unordered_set<T> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; } template <typename T> ostream &operator<<(ostream &os, const multiset<T> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; } template <typename T> ostream &operator<<(ostream &os, const unordered_multiset<T> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; } template <typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &pa) { os << '(' << pa.first << ',' << pa.second << ')'; return os; } template <typename TK, typename TV> ostream &operator<<(ostream &os, const map<TK, TV> &mp) { os << '{'; for (auto v : mp) os << v.first << "=>" << v.second << ','; os << '}'; return os; } template <typename TK, typename TV> ostream &operator<<(ostream &os, const unordered_map<TK, TV> &mp) { os << '{'; for (auto v : mp) os << v.first << "=>" << v.second << ','; os << '}'; return os; } struct MyIO { MyIO(){ cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(15); } } IO_OI; #ifdef LOCAL void debug_out() { cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << " " << H; debug_out(T...); } #define debug(...) \ cerr << __LINE__ << " [" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__) #define dump(x) cerr << __LINE__ << " " << #x << " = " << (x) << endl #else #define debug(...) (void(0)) #define dump(x) (void(0)) #endif //------------------- struct edge { int to; int cost; edge(int to, int c): to(to), cost(c) {} }; constexpr int MX = 1e5+5; vector<edge> G[MX]; vector<int> dijkstra(int s) { vector<int> d(MX, INF); priority_queue<PII, vector<PII>, greater<PII> > que; que.push({0, s}); while (!que.empty()) { PII p = que.top(); debug(p); que.pop(); int v = p.second; if (d[v] <= p.first) continue; d[v] = p.first; for (auto e: G[v]) { if (d[e.to] > d[v] + e.cost) { // make code faster que.push({d[v] + e.cost, e.to}); } } } return d; } int main() { int n,m,p; cin >> n >> m >> p; int s,g; cin >> s >> g; s--; g--; rep(i, m) { int u,v; cin >> u >> v; u--; v--; G[u].emplace_back(v, 1); G[v].emplace_back(u, 1); } auto d1 = dijkstra(s); auto d2 = dijkstra(g); vector<int> ans; rep(i, n) { int sm = d1[i]+d2[i]; if(sm > p) continue; if((sm&1)==(p&1)) { ans.push_back(i); } else { bool ok = false; for(auto c: G[i]) { int sm1 = d1[c.to]+d2[i]+1; if((sm1&1) == (p&1)) { ok = true; } int sm2 = d1[i] + d2[c.to]+1; if(sm2&1 == p&1) ok = true; } if(ok) ans.push_back(i); } } if(ans.size()==0) { cout << -1 << endl; } else { cout << ans.size() << endl; // sort(ALL(ans)); for(auto x: ans) cout << x+1 << endl; } return 0; }