結果
問題 | No.1190 Points |
ユーザー | uchiiii |
提出日時 | 2020-09-01 20:41:48 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 122 ms / 2,000 ms |
コード長 | 4,689 bytes |
コンパイル時間 | 3,598 ms |
コンパイル使用メモリ | 229,000 KB |
実行使用メモリ | 16,268 KB |
最終ジャッジ日時 | 2024-11-20 16:22:50 |
合計ジャッジ時間 | 7,235 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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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 | 5 ms
8,192 KB |
testcase_01 | AC | 4 ms
8,096 KB |
testcase_02 | AC | 5 ms
8,080 KB |
testcase_03 | AC | 73 ms
13,952 KB |
testcase_04 | AC | 57 ms
13,184 KB |
testcase_05 | AC | 55 ms
12,800 KB |
testcase_06 | AC | 90 ms
15,232 KB |
testcase_07 | AC | 99 ms
15,872 KB |
testcase_08 | AC | 84 ms
16,268 KB |
testcase_09 | AC | 88 ms
15,332 KB |
testcase_10 | AC | 83 ms
16,240 KB |
testcase_11 | AC | 62 ms
13,368 KB |
testcase_12 | AC | 83 ms
16,128 KB |
testcase_13 | AC | 66 ms
12,544 KB |
testcase_14 | AC | 25 ms
11,076 KB |
testcase_15 | AC | 121 ms
15,560 KB |
testcase_16 | AC | 16 ms
9,180 KB |
testcase_17 | AC | 113 ms
15,076 KB |
testcase_18 | AC | 50 ms
11,604 KB |
testcase_19 | AC | 16 ms
11,032 KB |
testcase_20 | AC | 58 ms
12,236 KB |
testcase_21 | AC | 30 ms
10,776 KB |
testcase_22 | AC | 37 ms
12,960 KB |
testcase_23 | AC | 122 ms
15,700 KB |
testcase_24 | AC | 110 ms
15,744 KB |
testcase_25 | AC | 89 ms
15,248 KB |
testcase_26 | AC | 88 ms
14,940 KB |
testcase_27 | AC | 103 ms
15,232 KB |
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 //------------------- constexpr int MX = 2e5+5; vector<int> G[MX]; 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+n); G[v].emplace_back(u+n); G[u+n].emplace_back(v); G[v+n].emplace_back(u); } vector<int> d1(n*2, INF); vector<int> d2(n*2, INF); auto bfs = [&](int ss, vector<int>& d) { queue<PII> q; q.push({0, ss}); while(!q.empty()) { auto pp = q.front(); q.pop(); if(d[pp.second]<INF) continue; d[pp.second] = pp.first; for(int np: G[pp.second]) { if(d[np]==INF) q.push({pp.first+1, np}); } } }; bfs(s, d1); bfs(g, d2); debug(d1,d2); vector<int> ans; rep(i, n) { bool ok = false; if(p&1) { int sm = d1[i] + d2[i+n]; if(d1[i]!=INF and d2[i+n]!=INF and sm <= p) ok = true; sm = d1[i+n] + d2[i]; if(d1[i+n]!=INF and d2[i]!=INF and sm <= p) ok = true; } else { int sm = d1[i] + d2[i]; if(d1[i]!=INF and d2[i]!=INF and sm <= p) ok = true; sm = d1[i+n] + d2[i+n]; if(d1[i+n]!=INF and d2[i+n]!=INF and sm <= p) ok = true; } if(ok) ans.push_back(i); } if(ans.size()==0) { cout << -1 << endl; } else { cout << ans.size() << endl; for(auto x: ans) cout << x+1 << endl; } return 0; }