#include "stations.h" #include <vector> using namespace std; vector<int> visit(1000, 0); vector<int> edge[1000]; vector<int> L; int dfs(int u, int a, bool flag) { visit[u] = 1; if(flag == 0) { L[u] = a; a++; } for(int v: edge[u]) { if(visit[v]) continue; a = dfs(v, a, !flag); } if(flag == 1) { L[u] = a; a++; } return a; } vector<int> label(int n, int k, vector<int> u, vector<int> v) { for(int i = 0; i < n-1; i++) { edge[u[i]].push_back(v[i]); edge[v[i]].push_back(u[i]); } L = vector<int>(n, -1); dfs(0, 0, 0); return L; } int find_next_station(int s, int t, vector<int> c) { if(s < c[0]) //s is left label { for(int i = 0; i < c.size(); i++) { if(t <= c[i]) return c[i]; } return c[c.size() - 1]; } else //s is right label { for(int i = c.size() - 1; i >= 0; i--) { if(t >= c[i]) return c[i]; } return c[0]; } }

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:53:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |         for(int i = 0; i < c.size(); i++)
      |                        ~~^~~~~~~~~~