#include <bits/stdc++.h>
#include "crocodile.h"
using namespace std;
using ll = long long;
int travel_plan(int n, int m, int r[][2], int L[], int k, int p[]){
vector<int> lst(n);
priority_queue<pair<ll,int>> pq;
vector<vector<pair<ll,int>>> dist(n);
for(int i = 0; i < k; i++){
pq.emplace(0, p[i]);
lst[p[i]] = 1;
dist[p[i]].emplace_back(0, p[i]);
dist[p[i]].emplace_back(0, p[i]);
}
vector<vector<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]);
}
ll ans = 1e18;
while(pq.size()){
auto [d, v] = pq.top(); pq.pop();
if(-d > dist[v].back().first) continue;
if(v == 0) return dist[v].back().first;
for(auto [u, w]: g[v]){
if(dist[u].empty()){
dist[u].emplace_back(-d + w, v);
}else{
int has = 0;
for(auto &[pd, pv]: dist[u]) if(pv == v){
has = 1;
if(pd > -d + w){
pd = -d + w;
sort(dist[u].begin(), dist[u].end());
if(dist[u].size() == 2){
pq.emplace(-dist[u].back().first, u);
}
}
}
if(!has){
dist[u].emplace_back(-d + w, v);
sort(dist[u].begin(), dist[u].end());
if(dist[u].size() == 3) dist[u].pop_back();
if(dist[u].size() == 2){
pq.emplace(-dist[u].back().first, u);
}
}
}
}
}
return ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2064 ms |
212 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2064 ms |
212 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
2064 ms |
212 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |