結果
問題 | No.807 umg tours |
ユーザー | outline |
提出日時 | 2020-03-28 15:32:00 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,173 bytes |
コンパイル時間 | 1,323 ms |
コンパイル使用メモリ | 125,264 KB |
実行使用メモリ | 17,424 KB |
最終ジャッジ日時 | 2024-06-10 17:29:36 |
合計ジャッジ時間 | 4,852 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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
6,816 KB |
testcase_01 | WA | - |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | WA | - |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,944 KB |
testcase_08 | AC | 2 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,940 KB |
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 | AC | 91 ms
10,880 KB |
testcase_21 | AC | 92 ms
11,264 KB |
testcase_22 | AC | 36 ms
6,940 KB |
testcase_23 | AC | 28 ms
6,944 KB |
testcase_24 | AC | 93 ms
16,132 KB |
testcase_25 | WA | - |
ソースコード
#include <iostream> #include <vector> #include <algorithm> #include <cmath> #include <queue> #include <string> #include <map> #include <set> #include <stack> #include <tuple> #include <deque> #include <numeric> #include <bitset> #include <iomanip> #include <cassert> #include <chrono> #include <random> #include <limits> #include <iterator> #include <functional> #include <sstream> #include <complex> using namespace std; typedef long long ll; typedef uint64_t ull; typedef pair<int, int> P; typedef pair<int, double> Pid; typedef pair<double, int> Pdi; typedef pair<ll, int> Pl; typedef pair<ll, ll> Pll; typedef pair<int, pair<int, int>> PP; typedef pair<P, int> PPi; constexpr double PI = 3.1415926535897932; // acos(-1) constexpr double EPS = 1e-9; constexpr int INF = 1001001001; constexpr int mod = 1000000007; // constexpr int mod = 998244353; #define chmax(x, y) x = max(x, y) #define chmin(x, y) x = min(x, y) #define chadd(x, y) x = (x + y) % mod struct Edge{ int to, cost; Edge() = default; Edge(int to, int cost) : to(to), cost(cost) {} }; struct Info{ ll dist; int longest, v; Info() = default; Info(ll d, int l, int v) : dist(d), longest(l), v(v) {} bool operator<(const Info& info) const{ if(dist == info.dist){ return longest > info.longest; } return dist < info.dist; } bool operator>(const Info& info) const{ return !((*this) < info); } }; int main(){ ios::sync_with_stdio(false); cin.tie(nullptr); int n, m; cin >> n >> m; vector<vector<Edge>> graph(n); vector<ll> dist(n, 1e+17), dist2(n, 1e+17); for(int i = 0; i < m; ++i){ int a, b, c; cin >> a >> b >> c; --a, --b; graph[a].emplace_back(Edge(b, c)); graph[b].emplace_back(Edge(a, c)); } priority_queue<Pl, vector<Pl>, greater<Pl>> que; dist[0] = 0; que.push(Pl(0, 0)); while(!que.empty()){ Pl p = que.top(); que.pop(); ll d = p.first; int from = p.second; if(d > dist[from]) continue; for(Edge e : graph[from]){ int to = e.to, cost = e.cost; if(dist[to] > d + cost){ dist[to] = d + cost; que.push(Pl(dist[to], to)); } } } priority_queue<Info, vector<Info>, greater<Info>> que2; dist2[0] = 0; que2.push(Info(0, 0, 0)); while(!que2.empty()){ Info p = que2.top(); que2.pop(); ll d = p.dist; int longest = p.longest, from = p.v; if(d > dist2[from]) continue; for(Edge e : graph[from]){ int to = e.to, cost = e.cost; if(longest >= cost){ if(dist2[to] > d + cost){ dist2[to] = d + cost; que2.push(Info(dist2[to], longest, to)); } } else{ if(dist2[to] > d + longest){ dist2[to] = d + longest; que2.push(Info(dist2[to], cost, to)); } } } } for(int i = 0; i < n; ++i) cout << dist[i] + dist2[i] << "\n"; }