#include <iostream>
#include <vector>
#include <queue>
#include "crocodile.h"
using namespace std;
typedef long long ll;
int travel_plan(int N, int M, int R[][2], int L[], int K, int P[]){
vector<pair<ll,ll>> d(N,{1e18,1e18});
vector<bool> seen(N,false);
vector<vector<pair<int,ll>>> g(N,vector<pair<int,ll>>());
for(int i=0;i<M;i++){
g[R[i][0]].push_back({R[i][1],L[i]});
g[R[i][1]].push_back({R[i][0],L[i]});
}
priority_queue<pair<ll,int>> pq;
for(int i=0;i<K;i++){
pq.push({0,P[i]});
//seen[P[i]]=true;
d[P[i]].first=d[P[i]].second=0;
}
while(!pq.empty()){
ll dist=-pq.top().first,u=pq.top().second;
pq.pop();
//cout<<u<<' ';
if(dist!=d[u].second||seen[u])continue;
seen[u]=true;
for(auto v:g[u]){
if(seen[v.first])continue;
if(dist+v.second<d[v.first].first){
d[v.first].second=d[v.first].first;
d[v.first].first=dist+v.second;
if(d[v.first].first!=d[v.first].second)pq.push({-d[v.first].second,v.first});
}
else if(dist+v.second<d[v.first].second){
d[v.first].second=dist+v.second;
pq.push({-d[v.first].second,v.first});
}
}
}
return d[0].second;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
468 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 |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
468 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 |
668 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
464 KB |
Output is correct |
12 |
Correct |
5 ms |
972 KB |
Output is correct |
13 |
Correct |
3 ms |
980 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 |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
468 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 |
668 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
464 KB |
Output is correct |
12 |
Correct |
5 ms |
972 KB |
Output is correct |
13 |
Correct |
3 ms |
980 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
463 ms |
67544 KB |
Output is correct |
17 |
Correct |
93 ms |
16556 KB |
Output is correct |
18 |
Correct |
111 ms |
18824 KB |
Output is correct |
19 |
Correct |
556 ms |
77080 KB |
Output is correct |
20 |
Correct |
262 ms |
52360 KB |
Output is correct |
21 |
Correct |
38 ms |
7240 KB |
Output is correct |
22 |
Correct |
301 ms |
48816 KB |
Output is correct |