4369 | 2023. 03. 27 10:32:40 | semmi | Hálózati átvitel | cpp17 | Elfogadva 50/50 | 46ms | 5868 KiB |
#include <bits/stdc++.h>
using namespace std;
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int n, m, k, h;
cin >> n >> m >> k >> h;
vector<vector<pair<int, int>>> adj(n+1);
vector<int> dist(n+1, -1), dist2(n+1, -1);
dist[k] = INT_MAX;
dist2[k] = INT_MAX;
for(int i = 0;i < m;i++ ) {
int a, b, c;
cin >> a >> b >> c;
adj[a].push_back({b, c});
adj[b].push_back({a, c});
}
for(int i = 0;i < h;i++ ) {
for(int j = 1;j <= n;j++ ) {
for(int k = 0;k < adj[j].size();k++ ) {
if(dist[adj[j][k].first] < min(adj[j][k].second, dist2[j])) {
dist[adj[j][k].first] = min(adj[j][k].second, dist2[j]);
//cout << dist[adj[j][k].first] << ' ' << min(dist[adj[j][k].second], dist2[j])<< endl;
}
}
}
dist2 = dist;
}
dist[k] = 0;
for(int i = 1;i<=n;i++ ) {
cout << dist[i] << endl;
}
return 0;
}
Részfeladat | Összpont | Teszt | Verdikt | Idő | Memória | ||
---|---|---|---|---|---|---|---|
base | 50/50 | ||||||
1 | Elfogadva | 0/0 | 3ms | 1824 KiB | |||
2 | Elfogadva | 0/0 | 3ms | 2204 KiB | |||
3 | Elfogadva | 1/1 | 3ms | 2240 KiB | |||
4 | Elfogadva | 1/1 | 3ms | 2460 KiB | |||
5 | Elfogadva | 2/2 | 3ms | 2676 KiB | |||
6 | Elfogadva | 2/2 | 3ms | 2760 KiB | |||
7 | Elfogadva | 2/2 | 3ms | 3040 KiB | |||
8 | Elfogadva | 2/2 | 3ms | 2996 KiB | |||
9 | Elfogadva | 1/1 | 4ms | 3552 KiB | |||
10 | Elfogadva | 1/1 | 6ms | 3652 KiB | |||
11 | Elfogadva | 1/1 | 7ms | 3800 KiB | |||
12 | Elfogadva | 1/1 | 7ms | 4008 KiB | |||
13 | Elfogadva | 2/2 | 6ms | 4232 KiB | |||
14 | Elfogadva | 2/2 | 7ms | 4372 KiB | |||
15 | Elfogadva | 2/2 | 8ms | 4596 KiB | |||
16 | Elfogadva | 2/2 | 8ms | 4372 KiB | |||
17 | Elfogadva | 2/2 | 8ms | 4372 KiB | |||
18 | Elfogadva | 2/2 | 9ms | 4372 KiB | |||
19 | Elfogadva | 2/2 | 10ms | 4424 KiB | |||
20 | Elfogadva | 2/2 | 8ms | 4668 KiB | |||
21 | Elfogadva | 1/1 | 29ms | 5216 KiB | |||
22 | Elfogadva | 1/1 | 32ms | 5344 KiB | |||
23 | Elfogadva | 1/1 | 34ms | 5492 KiB | |||
24 | Elfogadva | 1/1 | 46ms | 5752 KiB | |||
25 | Elfogadva | 2/2 | 41ms | 5740 KiB | |||
26 | Elfogadva | 2/2 | 41ms | 5772 KiB | |||
27 | Elfogadva | 2/2 | 43ms | 5868 KiB | |||
28 | Elfogadva | 2/2 | 27ms | 5760 KiB | |||
29 | Elfogadva | 2/2 | 28ms | 5760 KiB | |||
30 | Elfogadva | 2/2 | 28ms | 5756 KiB | |||
31 | Elfogadva | 2/2 | 28ms | 5768 KiB | |||
32 | Elfogadva | 2/2 | 28ms | 5752 KiB |