#include <bits/stdc++.h>
int travel_plan(int n, int m, int r[][2], int l[], int k, int p[]) {
std::vector <std::vector <std::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]);
}
std::vector <int> cnt(n, 0);
std::priority_queue <std::pair <long long, int>> pq;
for (int i = 0; i < k; i++) {
cnt[p[i]] = 1;
pq.push({ 0, p[i] });
}
while (pq.size()) {
long long w = -pq.top().first;
int v = pq.top().second;
pq.pop();
if (cnt[v] >= 2) {
continue;
}
cnt[v]++;
if (cnt[v] == 1) {
continue;
}
assert(cnt[v] == 2);
if (!v) {
return w;
}
for (auto q : g[v]) {
pq.push({ -w - q.second, q.first });
}
}
assert(false);
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
324 KB |
Output is correct |
5 |
Correct |
2 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
324 KB |
Output is correct |
5 |
Correct |
2 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
2 ms |
724 KB |
Output is correct |
10 |
Correct |
1 ms |
308 KB |
Output is correct |
11 |
Correct |
1 ms |
468 KB |
Output is correct |
12 |
Correct |
5 ms |
1368 KB |
Output is correct |
13 |
Correct |
3 ms |
1460 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
324 KB |
Output is correct |
5 |
Correct |
2 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
2 ms |
724 KB |
Output is correct |
10 |
Correct |
1 ms |
308 KB |
Output is correct |
11 |
Correct |
1 ms |
468 KB |
Output is correct |
12 |
Correct |
5 ms |
1368 KB |
Output is correct |
13 |
Correct |
3 ms |
1460 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
440 ms |
87620 KB |
Output is correct |
17 |
Correct |
79 ms |
13308 KB |
Output is correct |
18 |
Correct |
79 ms |
14844 KB |
Output is correct |
19 |
Correct |
448 ms |
75048 KB |
Output is correct |
20 |
Correct |
291 ms |
80200 KB |
Output is correct |
21 |
Correct |
39 ms |
5836 KB |
Output is correct |
22 |
Correct |
479 ms |
45400 KB |
Output is correct |