結果
問題 | No.2805 Go to School |
ユーザー | Slephy |
提出日時 | 2024-07-12 21:21:11 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 240 ms / 2,000 ms |
コード長 | 3,526 bytes |
コンパイル時間 | 2,174 ms |
コンパイル使用メモリ | 212,512 KB |
実行使用メモリ | 22,012 KB |
最終ジャッジ日時 | 2024-07-16 01:37:07 |
合計ジャッジ時間 | 6,562 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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 | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 77 ms
16,768 KB |
testcase_05 | AC | 93 ms
13,980 KB |
testcase_06 | AC | 54 ms
9,112 KB |
testcase_07 | AC | 45 ms
9,108 KB |
testcase_08 | AC | 77 ms
14,440 KB |
testcase_09 | AC | 55 ms
9,192 KB |
testcase_10 | AC | 46 ms
8,928 KB |
testcase_11 | AC | 240 ms
20,788 KB |
testcase_12 | AC | 128 ms
14,492 KB |
testcase_13 | AC | 193 ms
18,604 KB |
testcase_14 | AC | 23 ms
6,016 KB |
testcase_15 | AC | 2 ms
5,376 KB |
testcase_16 | AC | 2 ms
5,376 KB |
testcase_17 | AC | 2 ms
5,376 KB |
testcase_18 | AC | 76 ms
11,276 KB |
testcase_19 | AC | 51 ms
8,700 KB |
testcase_20 | AC | 120 ms
15,668 KB |
testcase_21 | AC | 210 ms
19,984 KB |
testcase_22 | AC | 75 ms
10,576 KB |
testcase_23 | AC | 125 ms
14,156 KB |
testcase_24 | AC | 119 ms
14,188 KB |
testcase_25 | AC | 34 ms
8,576 KB |
testcase_26 | AC | 148 ms
22,012 KB |
testcase_27 | AC | 71 ms
16,056 KB |
testcase_28 | AC | 7 ms
6,784 KB |
testcase_29 | AC | 11 ms
7,552 KB |
testcase_30 | AC | 36 ms
12,032 KB |
testcase_31 | AC | 53 ms
9,984 KB |
testcase_32 | AC | 106 ms
18,592 KB |
testcase_33 | AC | 153 ms
18,464 KB |
testcase_34 | AC | 2 ms
5,376 KB |
testcase_35 | AC | 2 ms
5,376 KB |
testcase_36 | AC | 58 ms
8,980 KB |
testcase_37 | AC | 62 ms
10,112 KB |
testcase_38 | AC | 127 ms
15,360 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; const int INF = (int)1e9 + 1001010; const ll llINF = (long long)4e18 + 22000020; const string endn = "\n"; template <class T> inline auto vector2(size_t i, size_t j, const T &init = T()) {return vector(i, vector<T>(j, init));} const string ELM_SEP = " ", VEC_SEP = endn; template<class T> istream& operator >>(istream &i, vector<T> &A) {for(auto &I : A) {i >> I;} return i;} template<class T> ostream& operator <<(ostream &o, const vector<T> &A) {int i=A.size(); for(const auto &I : A){o << I << (--i ? ELM_SEP : "");} return o;} template<class T> ostream& operator <<(ostream &o, const vector<vector<T>> &A) {int i=A.size(); for(const auto &I : A){o << I << (--i ? VEC_SEP : "");} return o;} template<class T> vector<T>& operator ++(vector<T> &A, int n) {for(auto &I : A) {I++;} return A;} template<class T> vector<T>& operator --(vector<T> &A, int n) {for(auto &I : A) {I--;} return A;} template<class T, class U> bool chmax(T &a, const U &b) {return ((a < b) ? (a = b, true) : false);} template<class T, class U> bool chmin(T &a, const U &b) {return ((a > b) ? (a = b, true) : false);} ll floor(ll a, ll b){if (b < 0) a = -a, b = -b; if(a >= 0) return a / b; else return (a + 1) / b - 1;} ll ceil(ll a, ll b){if (b < 0) a = -a, b = -b; if(a > 0) return (a - 1) / b + 1; else return a / b;} ll bit(unsigned long long val, unsigned long long digit){return (val >> digit) & 1;} #ifdef DEBUG #include <cpp-dump/dump.hpp> #define dump(...) cpp_dump(__VA_ARGS__) namespace cp = cpp_dump; struct InitCppDump{ InitCppDump(){ if(!isatty(fileno(stderr))) CPP_DUMP_SET_OPTION(es_style, cpp_dump::es_style_t::no_es); CPP_DUMP_SET_OPTION(log_label_func, cp::log_label::line()); CPP_DUMP_SET_OPTION(max_iteration_count, 30); } } init_cpp_dump; #else #define dump(...) #endif // ================================== ここまでテンプレ ================================== template<class T> using max_heap = priority_queue<T>; template<class T> using min_heap = priority_queue<T, vector<T>, greater<T>>; int main(int argc, char *argv[]){ ios::sync_with_stdio(false); cin.tie(nullptr); ll n, m, l, s, e; cin >> n >> m >> l >> s >> e; auto graph = vector2<pair<ll, ll>>(n, 0); for(int i = 0; i < m; i++){ ll a, b, t; cin >> a >> b >> t; a--; b--; graph[a].emplace_back(b, t); graph[b].emplace_back(a, t); } dump(graph); auto calc_dist = [&](const vector<vector<pair<ll, ll>>> &graph, int from) -> vector<ll> { vector<ll> dist(n, llINF); dist[from] = 0; min_heap<pair<ll, ll>> pq; pq.emplace(0, from); while(!pq.empty()){ auto [d, now] = pq.top(); pq.pop(); if(dist[now] < d) continue; for(const auto &[nxt, ecost] : graph[now]){ if(chmin(dist[nxt], d + ecost)){ pq.emplace(dist[nxt], nxt); } } } return dist; }; auto dist_0 = calc_dist(graph, 0); auto dist_n = calc_dist(graph, n-1); dump(dist_0); dump(dist_n); ll ans = llINF; for(int tid = 0; tid < l; tid++){ int t; cin >> t; t--; ll d1 = dist_0[t]; ll d2 = dist_n[t]; if(d1 > s+e-1) continue; ll this_ans = max(s+1, d1+1) + d2; chmin(ans, this_ans); } if(ans == llINF){ cout << -1 << endn; }else{ cout << ans << endn; } return 0; }