3418 | 2023. 02. 27 13:43:00 | Error42 | Hálózati átvitel | cpp17 | Elfogadva 50/50 | 32ms | 6492 KiB |
// code of `kdb`, only debugged by `Error-42`
#include <iostream>
#include <vector>
#include <cmath>
#include <climits>
using namespace std;
std::ostream& operator<<(std::ostream& os, const std::vector<int>& input)
{
for (auto const& i : input) {
os << i << "\n";
}
return os;
}
int main()
{
cin.tie(nullptr);
cout.tie(nullptr);
ios_base::sync_with_stdio(false);
int n, m, k, h;
cin >> n >> m >> k >> h;
vector<int>ki(n + 1, -1);
vector<int>ki2(n + 1, -1);
vector<vector<pair<int, int>>>vec(n + 1);
for (size_t i = 0; i < m; i++)
{
int u, v, w;
cin >> u >> v >> w;
vec[u].push_back({ v,w });
vec[v].push_back({ u,w });
}
ki[k] = INT_MAX;
ki2[k] = INT_MAX;
for (size_t i = 0; i < h; i++)
{
for (size_t j = 1; j < n + 1; j++)
{
for (auto q : vec[j])
{
if (ki[q.first] < min(q.second, ki2[j]))
{
ki[q.first] = min(q.second, ki2[j]);
}
}
}
ki2 = ki;
}
ki[k] = 0;
for (size_t i = 1; i < n + 1; i++)
{
cout << ki[i] << "\n";
}
return 0;
}
/*
5 6 1 2
1 2 2
1 5 4
1 3 2
1 4 3
5 4 1
5 3 4
*/
Részfeladat | Összpont | Teszt | Verdikt | Idő | Memória | ||
---|---|---|---|---|---|---|---|
base | 50/50 | ||||||
1 | Elfogadva | 0/0 | 3ms | 2104 KiB | |||
2 | Elfogadva | 0/0 | 3ms | 2244 KiB | |||
3 | Elfogadva | 1/1 | 3ms | 2364 KiB | |||
4 | Elfogadva | 1/1 | 3ms | 2572 KiB | |||
5 | Elfogadva | 2/2 | 3ms | 2848 KiB | |||
6 | Elfogadva | 2/2 | 3ms | 2884 KiB | |||
7 | Elfogadva | 2/2 | 3ms | 3120 KiB | |||
8 | Elfogadva | 2/2 | 3ms | 2980 KiB | |||
9 | Elfogadva | 1/1 | 3ms | 3264 KiB | |||
10 | Elfogadva | 1/1 | 4ms | 3488 KiB | |||
11 | Elfogadva | 1/1 | 4ms | 3936 KiB | |||
12 | Elfogadva | 1/1 | 4ms | 4096 KiB | |||
13 | Elfogadva | 2/2 | 4ms | 4220 KiB | |||
14 | Elfogadva | 2/2 | 4ms | 4228 KiB | |||
15 | Elfogadva | 2/2 | 8ms | 4468 KiB | |||
16 | Elfogadva | 2/2 | 7ms | 4468 KiB | |||
17 | Elfogadva | 2/2 | 8ms | 4420 KiB | |||
18 | Elfogadva | 2/2 | 8ms | 4416 KiB | |||
19 | Elfogadva | 2/2 | 8ms | 4548 KiB | |||
20 | Elfogadva | 2/2 | 8ms | 4808 KiB | |||
21 | Elfogadva | 1/1 | 17ms | 5392 KiB | |||
22 | Elfogadva | 1/1 | 20ms | 5520 KiB | |||
23 | Elfogadva | 1/1 | 23ms | 5680 KiB | |||
24 | Elfogadva | 1/1 | 26ms | 6044 KiB | |||
25 | Elfogadva | 2/2 | 30ms | 6016 KiB | |||
26 | Elfogadva | 2/2 | 30ms | 5920 KiB | |||
27 | Elfogadva | 2/2 | 32ms | 6272 KiB | |||
28 | Elfogadva | 2/2 | 17ms | 6260 KiB | |||
29 | Elfogadva | 2/2 | 18ms | 6404 KiB | |||
30 | Elfogadva | 2/2 | 17ms | 6460 KiB | |||
31 | Elfogadva | 2/2 | 17ms | 6492 KiB | |||
32 | Elfogadva | 2/2 | 17ms | 6460 KiB |