#include "crocodile.h"
#include "bits/stdc++.h"
using namespace std;
const int inf = 2e9;
int travel_plan(int n, int m, int R[][2], int L[], int k, int p[]) {
vector<vector<pair<int, int>>> g(n);
for (int i = 0; i < m; i++) {
g[R[i][0]].emplace_back(R[i][1], L[i]);
g[R[i][1]].emplace_back(R[i][0], L[i]);
}
vector<int> height(n, -1);
vector<pair<int, int>> out(n, make_pair(inf, inf));
priority_queue<pair<int, int>> pq;
vector<bool> vis(n);
for (int i = 0; i < k; i++) {
height[p[i]] = 0;
pq.emplace(0, p[i]);
}
while (!pq.empty()) {
auto [d, u] = pq.top(); pq.pop();
if (vis[u]) continue;
d *= -1;
// cout << u << ' ' << d << endl;
vis[u] = true;
height[u] = d;
for (auto [v, w]: g[u]) {
if (vis[v]) continue;
// cout << '\t' << u << ' ' << v << ' ' << w << endl;
if (out[v].first > d + w) {
out[v].second = out[v].first;
out[v].first = d + w;
} else {
out[v].second = min(out[v].second, d + w);
}
if (out[v].second != inf) {
pq.emplace(-out[v].second, v);
}
}
}
return height[0];
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
0 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
1 ms |
4444 KB |
Output is correct |
5 |
Correct |
1 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
1 ms |
4444 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
0 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
1 ms |
4444 KB |
Output is correct |
5 |
Correct |
1 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
1 ms |
4444 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
9 |
Correct |
2 ms |
4700 KB |
Output is correct |
10 |
Correct |
1 ms |
4444 KB |
Output is correct |
11 |
Correct |
1 ms |
4444 KB |
Output is correct |
12 |
Correct |
3 ms |
4956 KB |
Output is correct |
13 |
Correct |
3 ms |
4956 KB |
Output is correct |
14 |
Correct |
1 ms |
4444 KB |
Output is correct |
15 |
Correct |
1 ms |
4444 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
0 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
1 ms |
4444 KB |
Output is correct |
5 |
Correct |
1 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
1 ms |
4444 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
9 |
Correct |
2 ms |
4700 KB |
Output is correct |
10 |
Correct |
1 ms |
4444 KB |
Output is correct |
11 |
Correct |
1 ms |
4444 KB |
Output is correct |
12 |
Correct |
3 ms |
4956 KB |
Output is correct |
13 |
Correct |
3 ms |
4956 KB |
Output is correct |
14 |
Correct |
1 ms |
4444 KB |
Output is correct |
15 |
Correct |
1 ms |
4444 KB |
Output is correct |
16 |
Correct |
348 ms |
65544 KB |
Output is correct |
17 |
Correct |
41 ms |
15956 KB |
Output is correct |
18 |
Correct |
52 ms |
17236 KB |
Output is correct |
19 |
Correct |
364 ms |
64288 KB |
Output is correct |
20 |
Correct |
254 ms |
53956 KB |
Output is correct |
21 |
Correct |
22 ms |
9308 KB |
Output is correct |
22 |
Correct |
233 ms |
46420 KB |
Output is correct |