#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
const ll maxN = 2e5+10;
vector<pair<ll, ll>> adj[maxN];
ll been[maxN];
int max_score(int n, int x, int y, long long k, vector<int> U, vector<int> V, vector<int> W){
for(int i = 0; i <= n; i++)been[i]=0;
been[x]=1;
been[y]=1;
for(int i = 0; i < n-1; i++) {
adj[U[i]].push_back({V[i], W[i]});
adj[V[i]].push_back({U[i], W[i]});
}
priority_queue<pair<ll, ll>, vector<pair<ll, ll>>, greater<>> q;
for(auto i : adj[x]) {
q.push(i);
}
for(auto i : adj[y]) {
q.push(i);
}
ll res = 0;
while(!q.empty()) {
ll v = q.top().first, w = q.top().second;
if(w>k)break;
k-=w;
res++;
for(auto i : adj[v]) {
if(been[i.first])continue;
q.push({i.first, w+i.second});
}
}
return res;
}
Compilation message
/usr/bin/ld: /tmp/cch0qvjs.o: in function `main':
grader.cpp:(.text.startup+0x4ac): undefined reference to `biggest_stadium(int, std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > >)'
collect2: error: ld returned 1 exit status
