#include "stations.h" #include <vector> using namespace std; int cur = 0; void dfs(int s, vector<bool>& vis, const vector<vector<int>>& adj, vector<int>& labels) { labels[s] = cur++; vis[s] = true; for (auto u: adj[s]) { if (!vis[u]) { dfs(u, vis, adj, labels); } } } vector<int> label(int n, int k, vector<int> u, vector<int> v) { vector<vector<int>> adj(n); for (int i = 0; i < u.size(); i++) { adj[u[i]].push_back(v[i]); adj[v[i]].push_back(u[i]); } int s; for (int i = 0; i < n; i++) if(adj[i].size() == 1) s = i; vector<int> labels(n); vector<bool> vis(n, false); return labels; } int find_next_station(int s, int t, vector<int> c) { if (c.size() == 1) return c[0]; if (s < t) return max(c[0], c[1]); return min(c[0], c[1]); }

stations.cpp: In function 'std::vector<int> label(int, int, std::vector<int>, std::vector<int>)':
stations.cpp:21:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |     for (int i = 0; i < u.size(); i++) {
      |                     ~~^~~~~~~~~~
stations.cpp:25:9: warning: variable 's' set but not used [-Wunused-but-set-variable]
   25 |     int s;
      |         ^