#include <bits/stdc++.h>
using namespace std;
signed main(){
ios::sync_with_stdio(0);
cin.tie(0);
int n,m,k;
cin >> n >> m >> k;
int dist[n][n];
for(int i = 0;i<n;i++){
for(int j = 0;j<n;j++){
dist[i][j]=1e9;
}
dist[i][i]=0;
}
for(int i = 0;i<m;i++){
int u,v,w;
cin >> u >> v >> w;
u--;v--;
dist[u][v]=w;
dist[v][u]=w;
}
for(int k = 0;k<n;k++){
for(int i = 0;i<n;i++){
for(int j = 0;j<n;j++){
dist[i][j]=min(dist[i][j],dist[i][k]+dist[k][j]);
}
}
}
int spec[k];
for(int i = 0;i<k;i++){
cin >> spec[i];
spec[i]--;
}
vector<pair<int,int>>d[k];
for(int i = 0;i<k;i++){
for(int j = i+1;j<k;j++){
d[i].push_back({dist[spec[i]][spec[j]],j});
}
sort(d[i].begin(),d[i].end());
}
int ans = 2e9;
for(int i = 0;i<k;i++){
for(int j = i+1;j<k;j++){
for(int l = 0;l<k;l++){
if(i==l||j==l){
continue;
}
for(pair<int,int>p : d[l]){
if(p.second==i||p.second==j)
continue;
ans=min(ans,dist[spec[i]][spec[j]]+p.first);
}
}
}
}
cout << ans;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
1 ms |
336 KB |
Output is correct |
7 |
Correct |
2 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
336 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
2 ms |
336 KB |
Output is correct |
12 |
Correct |
2 ms |
336 KB |
Output is correct |
13 |
Correct |
3 ms |
468 KB |
Output is correct |
14 |
Correct |
1 ms |
336 KB |
Output is correct |
15 |
Correct |
3 ms |
336 KB |
Output is correct |
16 |
Correct |
1 ms |
336 KB |
Output is correct |
17 |
Correct |
4 ms |
336 KB |
Output is correct |
18 |
Correct |
1 ms |
336 KB |
Output is correct |
19 |
Correct |
3 ms |
336 KB |
Output is correct |
20 |
Correct |
1 ms |
336 KB |
Output is correct |
21 |
Correct |
2 ms |
336 KB |
Output is correct |
22 |
Correct |
1 ms |
336 KB |
Output is correct |
23 |
Correct |
2 ms |
480 KB |
Output is correct |
24 |
Correct |
1 ms |
336 KB |
Output is correct |
25 |
Correct |
1 ms |
336 KB |
Output is correct |
26 |
Correct |
1 ms |
336 KB |
Output is correct |
27 |
Correct |
1 ms |
336 KB |
Output is correct |
28 |
Correct |
3 ms |
336 KB |
Output is correct |
29 |
Correct |
1 ms |
336 KB |
Output is correct |
30 |
Correct |
2 ms |
336 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
1 ms |
336 KB |
Output is correct |
7 |
Correct |
2 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
336 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
2 ms |
336 KB |
Output is correct |
12 |
Correct |
2 ms |
336 KB |
Output is correct |
13 |
Correct |
3 ms |
468 KB |
Output is correct |
14 |
Correct |
1 ms |
336 KB |
Output is correct |
15 |
Correct |
3 ms |
336 KB |
Output is correct |
16 |
Correct |
1 ms |
336 KB |
Output is correct |
17 |
Correct |
4 ms |
336 KB |
Output is correct |
18 |
Correct |
1 ms |
336 KB |
Output is correct |
19 |
Correct |
3 ms |
336 KB |
Output is correct |
20 |
Correct |
1 ms |
336 KB |
Output is correct |
21 |
Correct |
2 ms |
336 KB |
Output is correct |
22 |
Correct |
1 ms |
336 KB |
Output is correct |
23 |
Correct |
2 ms |
480 KB |
Output is correct |
24 |
Correct |
1 ms |
336 KB |
Output is correct |
25 |
Correct |
1 ms |
336 KB |
Output is correct |
26 |
Correct |
1 ms |
336 KB |
Output is correct |
27 |
Correct |
1 ms |
336 KB |
Output is correct |
28 |
Correct |
3 ms |
336 KB |
Output is correct |
29 |
Correct |
1 ms |
336 KB |
Output is correct |
30 |
Correct |
2 ms |
336 KB |
Output is correct |
31 |
Correct |
99 ms |
1360 KB |
Output is correct |
32 |
Correct |
104 ms |
1360 KB |
Output is correct |
33 |
Correct |
96 ms |
1360 KB |
Output is correct |
34 |
Correct |
111 ms |
1360 KB |
Output is correct |
35 |
Correct |
96 ms |
1360 KB |
Output is correct |
36 |
Correct |
2393 ms |
1728 KB |
Output is correct |
37 |
Execution timed out |
6056 ms |
2632 KB |
Time limit exceeded |
38 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
893 ms |
1048576 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
1 ms |
336 KB |
Output is correct |
7 |
Correct |
2 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
336 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
2 ms |
336 KB |
Output is correct |
12 |
Correct |
2 ms |
336 KB |
Output is correct |
13 |
Correct |
3 ms |
468 KB |
Output is correct |
14 |
Correct |
1 ms |
336 KB |
Output is correct |
15 |
Correct |
3 ms |
336 KB |
Output is correct |
16 |
Correct |
1 ms |
336 KB |
Output is correct |
17 |
Correct |
4 ms |
336 KB |
Output is correct |
18 |
Correct |
1 ms |
336 KB |
Output is correct |
19 |
Correct |
3 ms |
336 KB |
Output is correct |
20 |
Correct |
1 ms |
336 KB |
Output is correct |
21 |
Correct |
2 ms |
336 KB |
Output is correct |
22 |
Correct |
1 ms |
336 KB |
Output is correct |
23 |
Correct |
2 ms |
480 KB |
Output is correct |
24 |
Correct |
1 ms |
336 KB |
Output is correct |
25 |
Correct |
1 ms |
336 KB |
Output is correct |
26 |
Correct |
1 ms |
336 KB |
Output is correct |
27 |
Correct |
1 ms |
336 KB |
Output is correct |
28 |
Correct |
3 ms |
336 KB |
Output is correct |
29 |
Correct |
1 ms |
336 KB |
Output is correct |
30 |
Correct |
2 ms |
336 KB |
Output is correct |
31 |
Correct |
99 ms |
1360 KB |
Output is correct |
32 |
Correct |
104 ms |
1360 KB |
Output is correct |
33 |
Correct |
96 ms |
1360 KB |
Output is correct |
34 |
Correct |
111 ms |
1360 KB |
Output is correct |
35 |
Correct |
96 ms |
1360 KB |
Output is correct |
36 |
Correct |
2393 ms |
1728 KB |
Output is correct |
37 |
Execution timed out |
6056 ms |
2632 KB |
Time limit exceeded |
38 |
Halted |
0 ms |
0 KB |
- |