結果
問題 | No.1065 電柱 / Pole (Easy) |
ユーザー | scol_kp |
提出日時 | 2020-05-29 22:06:36 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 271 ms / 2,000 ms |
コード長 | 1,986 bytes |
コンパイル時間 | 2,396 ms |
コンパイル使用メモリ | 215,364 KB |
実行使用メモリ | 22,916 KB |
最終ジャッジ日時 | 2024-11-06 04:55:28 |
合計ジャッジ時間 | 8,086 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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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
6,820 KB |
testcase_01 | AC | 2 ms
6,820 KB |
testcase_02 | AC | 115 ms
13,312 KB |
testcase_03 | AC | 145 ms
22,916 KB |
testcase_04 | AC | 144 ms
22,084 KB |
testcase_05 | AC | 108 ms
22,000 KB |
testcase_06 | AC | 108 ms
22,440 KB |
testcase_07 | AC | 38 ms
8,192 KB |
testcase_08 | AC | 139 ms
21,944 KB |
testcase_09 | AC | 14 ms
6,816 KB |
testcase_10 | AC | 63 ms
11,648 KB |
testcase_11 | AC | 43 ms
9,088 KB |
testcase_12 | AC | 20 ms
7,040 KB |
testcase_13 | AC | 115 ms
14,464 KB |
testcase_14 | AC | 135 ms
16,728 KB |
testcase_15 | AC | 159 ms
18,572 KB |
testcase_16 | AC | 68 ms
11,468 KB |
testcase_17 | AC | 177 ms
19,756 KB |
testcase_18 | AC | 46 ms
9,088 KB |
testcase_19 | AC | 168 ms
19,024 KB |
testcase_20 | AC | 40 ms
7,808 KB |
testcase_21 | AC | 54 ms
10,368 KB |
testcase_22 | AC | 151 ms
17,816 KB |
testcase_23 | AC | 3 ms
6,816 KB |
testcase_24 | AC | 3 ms
6,816 KB |
testcase_25 | AC | 18 ms
7,040 KB |
testcase_26 | AC | 87 ms
12,608 KB |
testcase_27 | AC | 85 ms
12,188 KB |
testcase_28 | AC | 152 ms
18,120 KB |
testcase_29 | AC | 14 ms
6,820 KB |
testcase_30 | AC | 162 ms
19,520 KB |
testcase_31 | AC | 114 ms
16,056 KB |
testcase_32 | AC | 71 ms
11,092 KB |
testcase_33 | AC | 160 ms
20,572 KB |
testcase_34 | AC | 51 ms
9,368 KB |
testcase_35 | AC | 163 ms
19,836 KB |
testcase_36 | AC | 2 ms
6,816 KB |
testcase_37 | AC | 4 ms
6,820 KB |
testcase_38 | AC | 3 ms
6,816 KB |
testcase_39 | AC | 3 ms
6,820 KB |
testcase_40 | AC | 2 ms
6,816 KB |
testcase_41 | AC | 271 ms
22,560 KB |
testcase_42 | AC | 67 ms
9,344 KB |
testcase_43 | AC | 134 ms
13,568 KB |
testcase_44 | AC | 39 ms
7,168 KB |
testcase_45 | AC | 123 ms
13,312 KB |
testcase_46 | AC | 2 ms
6,816 KB |
testcase_47 | AC | 2 ms
6,816 KB |
ソースコード
#include <bits/stdc++.h> #define FASTIO using namespace std; using ll = long long; using Vi = vector<int>; using Vl = vector<ll>; using Pii = pair<int, int>; using Pll = pair<ll, ll>; constexpr int I_INF = numeric_limits<int>::max(); constexpr ll L_INF = numeric_limits<ll>::max(); //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% struct Pos { double x, y; }; double distance(const Pos& a, const Pos& b) { double dx = a.x - b.x; double dy = a.y - b.y; return sqrt(dx * dx + dy * dy); } constexpr double D_INF = 1e20; using Pid = pair<int, double>; using Pdi = pair<double, int>; using Graph = vector<vector<Pid>>; void solve() { ll N, M, X, Y; cin >> N >> M >> X >> Y; --X, --Y; vector<Pos> poss(N); for (ll i = 0; i < N; i++) { cin >> poss[i].x >> poss[i].y; } Graph g(N); for (ll i = 0; i < M; i++) { ll a, b; cin >> a >> b; --a, --b; double c = distance(poss[a], poss[b]); g[a].emplace_back(b, c); g[b].emplace_back(a, c); } vector<double> dist(N, D_INF); dist[X] = 0.0; priority_queue<Pdi, vector<Pdi>, greater<Pdi>> q; q.emplace(0.0, X); while (!q.empty()) { auto [cost, idx] = q.top(); q.pop(); if (dist[idx] < cost) continue; for (const auto& [to, c] : g[idx]) { double ncost = cost + c; if (ncost >= dist[to]) continue; dist[to] = ncost; q.emplace(ncost, to); } } cout << setprecision(20) << dist[Y] << "\n"; } //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% int main() { #ifdef FASTIO cin.tie(0), cout.tie(0); ios::sync_with_stdio(false); #endif #ifdef FILEINPUT ifstream ifs("./in_out/input.txt"); cin.rdbuf(ifs.rdbuf()); #endif #ifdef FILEOUTPUT ofstream ofs("./in_out/output.txt"); cout.rdbuf(ofs.rdbuf()); #endif solve(); cout << flush; return 0; }