#include "closing.h" #include <bits/stdc++.h> using namespace std; #define ll long long const int nx=2e5+5; vector<pair<ll, ll>> d[nx]; int max_score(int N, int X, int Y, long long K, std::vector<int> U, std::vector<int> V, std::vector<int> W) { for (int i=0; i<N; i++) d[i].clear(); for (int i=0; i<U.size(); i++) d[U[i]].push_back({V[i], W[i]}), d[V[i]].push_back({U[i], W[i]}); int res=0; priority_queue<pair<ll, ll>, vector<pair<ll, ll>>, greater<pair<ll, ll>>> pq; vector<ll> vs(N); vs[X]=vs[Y]=1; pq.push({0, X}); pq.push({0, Y}); while (!pq.empty()) { auto [a, u]=pq.top(); pq.pop(); if (a>K) break; K-=a; res++; vs[u]=1; for (auto [v, w]:d[u]) if (!vs[v]) pq.push({a+w, v}); } return res; }

closing.cpp: In function 'int max_score(int, int, int, long long int, std::vector<int>, std::vector<int>, std::vector<int>)':
closing.cpp:16:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |     for (int i=0; i<U.size(); i++) d[U[i]].push_back({V[i], W[i]}), d[V[i]].push_back({U[i], W[i]});
      |                   ~^~~~~~~~~