#include <bits/stdc++.h>
#include "crocodile.h"
#define fi first
#define se second
#define mp make_pair
using namespace std;
const int N = 1e5 + 5;
const int oo = 1e9 + 1;
vector <pair <int, int>> adj[N];
int dis[N][3];
int n;
int travel_plan(int n, int m, int r[][2], int l[], int k, int p[])
{
for (int i = 0; i < m; i++) {
int u = r[i][0];
int v = r[i][1];
int w = l[i];
adj[u].push_back(mp(v, w));
adj[v].push_back(mp(u, w));
}
for (int i = 0; i < n; i++)
for (int j = 0; j < 3; j++)
dis[i][j] = oo;
priority_queue <pair <int, int>> heap;
for (int i = 0; i < k; i++)
for (int j = 0; j < 2; j++) {
dis[p[i]][j] = 0;
heap.push(mp(0, p[i]));
}
while (heap.size()) {
int u = heap.top().se;
int cur = -heap.top().fi;
heap.pop();
if (dis[u][1] != cur)
continue;
for (pair <int, int> e : adj[u]) {
int v = e.fi;
int w = e.se;
bool ok = false;
dis[v][2] = cur + w;
for (int i = 2; i >= 1; i--)
if (dis[v][i] < dis[v][i - 1])
swap(dis[v][i], dis[v][i - 1]), ok = true;
if (ok)
heap.push(mp(-dis[v][1], v));
}
}
return dis[0][1];
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
2668 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
2668 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
2668 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |