#include <bits/stdc++.h>
#include "cyberland.h"
#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")
using namespace std;
// #define int long long int
// const int N = 2e5 + 10;
// const int md = 1e9 + 7;
// const int INF = 1e18;
double solve(int n, int m, int k, int h, vector<int> x, vector<int> y, vector<int> w, vector<int> a) {
vector<vector<pair<int, int>>> g(n + 1, vector<pair<int, int>> ());
for (int i = 0; i < m; i++) {
g[x[i]].push_back({y[i], w[i]});
g[y[i]].push_back({x[i], w[i]});
}
double ans = 0;
vector<int> dist(g.size() + 10, 0);
vector<bool> visited(g.size() + 10);
set<pair<int, int>> q;
dist[0] = 0;
q.insert({0, 0});
while (!q.empty()) {
int v = (*q.begin()).second;
q.erase(q.begin());
if (!visited[v])
for (auto i : g[v]) {
if (!dist[i.first])
dist[i.first] = dist[v] + i.second;
else dist[i.first] = min(dist[i.first], dist[v] + i.second);
if (!visited[i.first])
q.insert({dist[i.first], i.first});
}
visited[v] = 1;
}
ans = (double) dist[h];
return ans;
}
// int32_t main(int32_t argc, char *argv[]) {
// ios::sync_with_stdio(false);
// cin.tie(nullptr);
// int T = 1;
// // cin >> T;
// while (T--) {
// }
// return 0;
// }
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |