#include <bits/stdc++.h>
#define int long long
using namespace std;
int const mxN = 1e3+5;
vector<pair<int,int>> adj[mxN];
vector<int> spe;
bool is[mxN], vis[mxN];
int dist[mxN][mxN], cur[mxN];
int n;
vector<pair<int,int>> lis[mxN];
void solve ( int i , int e1, int e2, bool f) {
memset(vis,0,sizeof vis);
for(int j=1; j<=n; j++) cur[j] = 1e18;
priority_queue<pair<int,int>> q;
q.push({0,i});
while(q.size()) {
int node = q.top().second, d = -(q.top().first);
q.pop();
if(vis[node]) continue;
vis[node] = 1;
for(auto it:adj[node]) {
if(cur[it.first]<=d+it.second) continue;
cur[it.first] = d+it.second;
q.push({-(d+it.second), it.first});
}
}
for(int j=1; j<=n; j++) {
dist[i][j] = cur[j];
if(is[j] && is[i]) lis[i].push_back({dist[i][j],j});
}
sort(lis[i].begin(),lis[i].end());
}
signed main() {
ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL);
int m,k; cin>>n>>m>>k;
for(int i=0; i<m; i++) {
int x,y,c; cin>>x>>y>>c;
adj[x].push_back({y,c}), adj[y].push_back({x,c});
}
for(int i=1; i<=n; i++) for(int j=1; j<=n; j++) dist[i][j] = 1e18;
for(int i=0; i<k; i++) {
int x; cin>>x;
is[x] = 1;
spe.push_back(x);
}
for(int i=1; i<=n; i++) solve(i, 0, 0, 0);
int ans = 1e18;
for(int i=1; i<=n; i++) {
if(!is[i]) continue;
for(int j=1; j<=n; j++) {
if(!is[j] || j==i) continue;
for(int h=1; h<=n; h++) {
if(!is[h] || h==i || h==j) continue;
for(int ind=0; ind<min(5ll,(int)lis[h].size()); ind++) {
if(lis[h][ind].second!=i && lis[h][ind].second!=j && lis[h][ind].second!=h && lis[h][ind].first+dist[i][j]<ans){
ans = lis[h][ind].first+dist[i][j];
}
}
}
}
}
cout<<ans;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2904 KB |
Output is correct |
2 |
Correct |
2 ms |
2652 KB |
Output is correct |
3 |
Correct |
1 ms |
2652 KB |
Output is correct |
4 |
Correct |
2 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2652 KB |
Output is correct |
6 |
Correct |
1 ms |
2652 KB |
Output is correct |
7 |
Correct |
2 ms |
2904 KB |
Output is correct |
8 |
Correct |
2 ms |
2652 KB |
Output is correct |
9 |
Correct |
1 ms |
2652 KB |
Output is correct |
10 |
Correct |
1 ms |
2652 KB |
Output is correct |
11 |
Correct |
2 ms |
2652 KB |
Output is correct |
12 |
Correct |
1 ms |
2652 KB |
Output is correct |
13 |
Correct |
2 ms |
2652 KB |
Output is correct |
14 |
Correct |
1 ms |
2648 KB |
Output is correct |
15 |
Correct |
3 ms |
2652 KB |
Output is correct |
16 |
Correct |
1 ms |
2652 KB |
Output is correct |
17 |
Correct |
3 ms |
2652 KB |
Output is correct |
18 |
Correct |
1 ms |
2904 KB |
Output is correct |
19 |
Correct |
3 ms |
2648 KB |
Output is correct |
20 |
Correct |
2 ms |
2904 KB |
Output is correct |
21 |
Correct |
2 ms |
2652 KB |
Output is correct |
22 |
Correct |
1 ms |
2652 KB |
Output is correct |
23 |
Correct |
2 ms |
2652 KB |
Output is correct |
24 |
Correct |
1 ms |
2652 KB |
Output is correct |
25 |
Correct |
1 ms |
2648 KB |
Output is correct |
26 |
Correct |
1 ms |
2652 KB |
Output is correct |
27 |
Correct |
1 ms |
2652 KB |
Output is correct |
28 |
Correct |
3 ms |
2652 KB |
Output is correct |
29 |
Correct |
2 ms |
2652 KB |
Output is correct |
30 |
Correct |
2 ms |
2652 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2904 KB |
Output is correct |
2 |
Correct |
2 ms |
2652 KB |
Output is correct |
3 |
Correct |
1 ms |
2652 KB |
Output is correct |
4 |
Correct |
2 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2652 KB |
Output is correct |
6 |
Correct |
1 ms |
2652 KB |
Output is correct |
7 |
Correct |
2 ms |
2904 KB |
Output is correct |
8 |
Correct |
2 ms |
2652 KB |
Output is correct |
9 |
Correct |
1 ms |
2652 KB |
Output is correct |
10 |
Correct |
1 ms |
2652 KB |
Output is correct |
11 |
Correct |
2 ms |
2652 KB |
Output is correct |
12 |
Correct |
1 ms |
2652 KB |
Output is correct |
13 |
Correct |
2 ms |
2652 KB |
Output is correct |
14 |
Correct |
1 ms |
2648 KB |
Output is correct |
15 |
Correct |
3 ms |
2652 KB |
Output is correct |
16 |
Correct |
1 ms |
2652 KB |
Output is correct |
17 |
Correct |
3 ms |
2652 KB |
Output is correct |
18 |
Correct |
1 ms |
2904 KB |
Output is correct |
19 |
Correct |
3 ms |
2648 KB |
Output is correct |
20 |
Correct |
2 ms |
2904 KB |
Output is correct |
21 |
Correct |
2 ms |
2652 KB |
Output is correct |
22 |
Correct |
1 ms |
2652 KB |
Output is correct |
23 |
Correct |
2 ms |
2652 KB |
Output is correct |
24 |
Correct |
1 ms |
2652 KB |
Output is correct |
25 |
Correct |
1 ms |
2648 KB |
Output is correct |
26 |
Correct |
1 ms |
2652 KB |
Output is correct |
27 |
Correct |
1 ms |
2652 KB |
Output is correct |
28 |
Correct |
3 ms |
2652 KB |
Output is correct |
29 |
Correct |
2 ms |
2652 KB |
Output is correct |
30 |
Correct |
2 ms |
2652 KB |
Output is correct |
31 |
Correct |
7 ms |
4700 KB |
Output is correct |
32 |
Correct |
17 ms |
4788 KB |
Output is correct |
33 |
Correct |
22 ms |
4700 KB |
Output is correct |
34 |
Correct |
4 ms |
4700 KB |
Output is correct |
35 |
Correct |
1 ms |
4700 KB |
Output is correct |
36 |
Correct |
345 ms |
7176 KB |
Output is correct |
37 |
Correct |
1040 ms |
9040 KB |
Output is correct |
38 |
Correct |
29 ms |
4696 KB |
Output is correct |
39 |
Correct |
221 ms |
10236 KB |
Output is correct |
40 |
Correct |
349 ms |
8024 KB |
Output is correct |
41 |
Correct |
30 ms |
4700 KB |
Output is correct |
42 |
Correct |
607 ms |
8752 KB |
Output is correct |
43 |
Correct |
302 ms |
7256 KB |
Output is correct |
44 |
Correct |
29 ms |
4700 KB |
Output is correct |
45 |
Correct |
2 ms |
4696 KB |
Output is correct |
46 |
Correct |
804 ms |
13640 KB |
Output is correct |
47 |
Correct |
361 ms |
7712 KB |
Output is correct |
48 |
Correct |
220 ms |
10172 KB |
Output is correct |
49 |
Correct |
447 ms |
12360 KB |
Output is correct |
50 |
Correct |
23 ms |
4696 KB |
Output is correct |
51 |
Correct |
392 ms |
7376 KB |
Output is correct |
52 |
Correct |
22 ms |
4700 KB |
Output is correct |
53 |
Correct |
189 ms |
7632 KB |
Output is correct |
54 |
Correct |
233 ms |
10584 KB |
Output is correct |
55 |
Correct |
16 ms |
4700 KB |
Output is correct |
56 |
Correct |
4 ms |
4700 KB |
Output is correct |
57 |
Correct |
21 ms |
4700 KB |
Output is correct |
58 |
Correct |
322 ms |
11044 KB |
Output is correct |
59 |
Correct |
1 ms |
4700 KB |
Output is correct |
60 |
Correct |
397 ms |
7444 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
1 ms |
604 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2904 KB |
Output is correct |
2 |
Correct |
2 ms |
2652 KB |
Output is correct |
3 |
Correct |
1 ms |
2652 KB |
Output is correct |
4 |
Correct |
2 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2652 KB |
Output is correct |
6 |
Correct |
1 ms |
2652 KB |
Output is correct |
7 |
Correct |
2 ms |
2904 KB |
Output is correct |
8 |
Correct |
2 ms |
2652 KB |
Output is correct |
9 |
Correct |
1 ms |
2652 KB |
Output is correct |
10 |
Correct |
1 ms |
2652 KB |
Output is correct |
11 |
Correct |
2 ms |
2652 KB |
Output is correct |
12 |
Correct |
1 ms |
2652 KB |
Output is correct |
13 |
Correct |
2 ms |
2652 KB |
Output is correct |
14 |
Correct |
1 ms |
2648 KB |
Output is correct |
15 |
Correct |
3 ms |
2652 KB |
Output is correct |
16 |
Correct |
1 ms |
2652 KB |
Output is correct |
17 |
Correct |
3 ms |
2652 KB |
Output is correct |
18 |
Correct |
1 ms |
2904 KB |
Output is correct |
19 |
Correct |
3 ms |
2648 KB |
Output is correct |
20 |
Correct |
2 ms |
2904 KB |
Output is correct |
21 |
Correct |
2 ms |
2652 KB |
Output is correct |
22 |
Correct |
1 ms |
2652 KB |
Output is correct |
23 |
Correct |
2 ms |
2652 KB |
Output is correct |
24 |
Correct |
1 ms |
2652 KB |
Output is correct |
25 |
Correct |
1 ms |
2648 KB |
Output is correct |
26 |
Correct |
1 ms |
2652 KB |
Output is correct |
27 |
Correct |
1 ms |
2652 KB |
Output is correct |
28 |
Correct |
3 ms |
2652 KB |
Output is correct |
29 |
Correct |
2 ms |
2652 KB |
Output is correct |
30 |
Correct |
2 ms |
2652 KB |
Output is correct |
31 |
Correct |
7 ms |
4700 KB |
Output is correct |
32 |
Correct |
17 ms |
4788 KB |
Output is correct |
33 |
Correct |
22 ms |
4700 KB |
Output is correct |
34 |
Correct |
4 ms |
4700 KB |
Output is correct |
35 |
Correct |
1 ms |
4700 KB |
Output is correct |
36 |
Correct |
345 ms |
7176 KB |
Output is correct |
37 |
Correct |
1040 ms |
9040 KB |
Output is correct |
38 |
Correct |
29 ms |
4696 KB |
Output is correct |
39 |
Correct |
221 ms |
10236 KB |
Output is correct |
40 |
Correct |
349 ms |
8024 KB |
Output is correct |
41 |
Correct |
30 ms |
4700 KB |
Output is correct |
42 |
Correct |
607 ms |
8752 KB |
Output is correct |
43 |
Correct |
302 ms |
7256 KB |
Output is correct |
44 |
Correct |
29 ms |
4700 KB |
Output is correct |
45 |
Correct |
2 ms |
4696 KB |
Output is correct |
46 |
Correct |
804 ms |
13640 KB |
Output is correct |
47 |
Correct |
361 ms |
7712 KB |
Output is correct |
48 |
Correct |
220 ms |
10172 KB |
Output is correct |
49 |
Correct |
447 ms |
12360 KB |
Output is correct |
50 |
Correct |
23 ms |
4696 KB |
Output is correct |
51 |
Correct |
392 ms |
7376 KB |
Output is correct |
52 |
Correct |
22 ms |
4700 KB |
Output is correct |
53 |
Correct |
189 ms |
7632 KB |
Output is correct |
54 |
Correct |
233 ms |
10584 KB |
Output is correct |
55 |
Correct |
16 ms |
4700 KB |
Output is correct |
56 |
Correct |
4 ms |
4700 KB |
Output is correct |
57 |
Correct |
21 ms |
4700 KB |
Output is correct |
58 |
Correct |
322 ms |
11044 KB |
Output is correct |
59 |
Correct |
1 ms |
4700 KB |
Output is correct |
60 |
Correct |
397 ms |
7444 KB |
Output is correct |
61 |
Runtime error |
1 ms |
604 KB |
Execution killed with signal 11 |
62 |
Halted |
0 ms |
0 KB |
- |