#include<bits/stdc++.h>
using namespace std;
int64_t travel_plan(int n, int m, int r[][2], int l[], int k, int p[]) {
vector< pair<int, int> > adjList[n];
for (int i = 0; i < m; i++) {
adjList[r[i][0]].push_back({r[i][1], l[i]});
adjList[r[i][1]].push_back({r[i][0], l[i]});
}
priority_queue< pair<int64_t, int> > pq;
vector<int64_t> distList[n];
for (int i=0; i<k; ++i) {
distList[p[i]].push_back(0);
pq.push({-0, p[i]});
}
while (!pq.empty()) {
int64_t cdist = -pq.top().first;
int cvertex = pq.top().second;
//cout << cdist << " " << cvertex << "\n";
pq.pop();
if (distList[cvertex].size() > 1) continue;
distList[cvertex].push_back(cdist);
if (distList[cvertex].size() == 2) {
for (pair<int, int>& to: adjList[cvertex]) {
pq.push({-(cdist+to.second), to.first});
}
}
}
return distList[0][1];
}
/*int main() {
ios_base::sync_with_stdio(0); cin.tie(0);
int n, m, k; cin >> n >> m >> k;
int r[m][2], l[m];
for (int i = 0; i < m; i++) {
cin >> r[i][0] >> r[i][1] >> l[i];
}
int p[k];
for (int i = 0; i < k; i++) {
cin >> p[i];
}
cout << travel_plan(n, m, r, l, k, p) << "\n";
return 0;
}*/
/*
5 4 3
0 1
0 2
3 2
2 4
2 3 1 4
1 3 4
*/
/*
5 7 2
0 2
0 3
3 2
2 1
0 1
0 4
3 4
4 3 2 10 100 7 9
1 3
*/
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
492 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
2 ms |
492 KB |
Output is correct |
5 |
Correct |
2 ms |
492 KB |
Output is correct |
6 |
Correct |
2 ms |
492 KB |
Output is correct |
7 |
Correct |
2 ms |
492 KB |
Output is correct |
8 |
Correct |
2 ms |
620 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
492 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
2 ms |
492 KB |
Output is correct |
5 |
Correct |
2 ms |
492 KB |
Output is correct |
6 |
Correct |
2 ms |
492 KB |
Output is correct |
7 |
Correct |
2 ms |
492 KB |
Output is correct |
8 |
Correct |
2 ms |
620 KB |
Output is correct |
9 |
Correct |
5 ms |
1024 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
2 ms |
492 KB |
Output is correct |
12 |
Correct |
8 ms |
1516 KB |
Output is correct |
13 |
Correct |
7 ms |
1512 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
2 ms |
492 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
492 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
2 ms |
492 KB |
Output is correct |
5 |
Correct |
2 ms |
492 KB |
Output is correct |
6 |
Correct |
2 ms |
492 KB |
Output is correct |
7 |
Correct |
2 ms |
492 KB |
Output is correct |
8 |
Correct |
2 ms |
620 KB |
Output is correct |
9 |
Correct |
5 ms |
1024 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
2 ms |
492 KB |
Output is correct |
12 |
Correct |
8 ms |
1516 KB |
Output is correct |
13 |
Correct |
7 ms |
1512 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
2 ms |
492 KB |
Output is correct |
16 |
Correct |
1292 ms |
88312 KB |
Output is correct |
17 |
Correct |
112 ms |
18432 KB |
Output is correct |
18 |
Correct |
176 ms |
19692 KB |
Output is correct |
19 |
Correct |
1447 ms |
93800 KB |
Output is correct |
20 |
Correct |
780 ms |
80256 KB |
Output is correct |
21 |
Correct |
57 ms |
7660 KB |
Output is correct |
22 |
Correct |
641 ms |
46692 KB |
Output is correct |