#include <bits/stdc++.h>
#include "crocodile.h"
using namespace std;
const int maxn = 1e5 + 10;
const int inf = 0x3f3f3f3f;
typedef pair<int, int> pii;
int vis[maxn], dist[maxn], dist2[maxn];
vector<pii> G[maxn];
int travel_plan(int N, int M, int R[][2], int L[], int K, int P[])
{
memset(dist, 0x3f3f3f3f, sizeof(dist));
memset(dist2, 0x3f3f3f3f, sizeof(dist));
for(int i = 0; i < M; i++)
{
int a = R[i][0], b = R[i][1];
G[a].push_back({L[i], b});
G[b].push_back({L[i], a});
}
// for(int i = 0; i < N; i++)
// for(auto u : G[i])
// cout << i << " " << u.second << " " << u.first << "\n";
priority_queue<pii, vector<pii>, greater<pii>> q;
for(int i = 0; i < K; i++)
{
dist[P[i]] = dist2[P[i]] = 0;
q.push({0, P[i]});
}
while(!q.empty())
{
auto a = q.top();
q.pop();
cout << a.second << " \n";
if(vis[a.second]) continue;
vis[a.second] = true;
for(auto u : G[a.second])
{
if(dist[u.second] > dist2[a.second] + u.first)
{
dist2[u.second] = dist[u.second];
dist[u.second] = dist2[a.second] + u.first;
// CÓDIGO MÁGICO COMEÇA AQUI
if (dist2[u.second] != dist[u.second])
q.push({dist2[u.second], u.second});
// CÓDIGO MÁGICO TERMINA AQUI
}
else if(dist2[u.second] > dist2[a.second] + u.first)
{
dist2[u.second] = dist2[a.second] + u.first;
q.push({dist2[u.second], u.second});
}
}
}
return dist2[0];
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
5 ms |
3456 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
5 ms |
3456 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
5 ms |
3456 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |