#include <bits/stdc++.h>
#include "cyberland.h"
#include "stub.cpp"
using namespace std;
#define ff first
#define ss second
#define pii pair<int, int>
double solve(int n, int M, int K, int H, vector<int> X, vector<int> Y, vector<int> C, vector<int> a) {
vector<pii> E[n];
for (int i = 0; i < M; i++) {
E[X[i]].push_back({Y[i], C[i]});
E[Y[i]].push_back({X[i], C[i]});
}
queue<int> q;
vector<bool> vis0(n);
q.push(0); vis0[0] = true;
while (!q.empty()) {
int x = q.front(); q.pop();
if (x == H) continue;
for (auto [i, w] : E[x]) {
if (!vis0[i]) {
q.push(i);
vis0[i] = true;
}
}
}
if (!vis0[H]) return -1;
K = min(K, 66);
vector<double> dis(n, 1e18);
priority_queue<pair<double, int>> pq;
for (int i = 0; i < n; i++) {
if (!i || (!a[i] && vis0[i])) {
dis[i] = 0;
pq.push({0, i});
}
}
for (int ii = 0; ii <= K; ii++) {
vector<double> ndis = dis;
priority_queue<pair<double, int>> npq;
while (!pq.empty()) {
auto [d, x] = pq.top(); d = -d; pq.pop();
if (d != dis[x] || x == H) continue;
for (auto [i, w] : E[x]) {
if (!a[i]) continue;
if (d + w < dis[i]) {
dis[i] = d + w;
pq.push({-dis[i], i});
}
if (a[i] == 2 && ii < K && (d + w) / 2 < ndis[i]) {
ndis[i] = (d + w) / 2;
npq.push({-ndis[i], i});
}
}
}
pq = npq;
for (int i = 0; i < n; i++) {
dis[i] = min(dis[i], ndis[i]);
}
}
return dis[H];
}
Compilation message
cyberland.cpp:3:10: fatal error: stub.cpp: No such file or directory
3 | #include "stub.cpp"
| ^~~~~~~~~~
compilation terminated.
