#include"bits/stdc++.h" #include "stations.h" #include <vector> using namespace std; const int N = 1000; int T; vector<int> adj[N], lb(N); vector<bool> vis(N); void dfs(int s, bool b){ //b = 0 apertura, b = 1 chiusura if(vis[s]) return; vis[s] = 1; if(!b) lb[s] = T; T++; for(int u : adj[s]) dfs(u, 1-b); if(b) lb[s] = T; T++; } vector<int> label(int n, int k, vector<int> u, vector<int> v) { for(int i=0; i<n; ++i) adj[i].clear(); lb.resize(n); fill(lb.begin(), lb.end(), -1); fill(vis.begin(), vis.end(), 0); T = 0; for(int i=0; i<n-1; ++i){ adj[u[i]].push_back(v[i]); adj[v[i]].push_back(u[i]); } dfs(0, 0); //for(int i=0; i<n; ++i) cout << i << " " << lb[i] << endl; map<int, int> mp; for(int i=0; i<n; ++i) mp[lb[i]] = i; sort(lb.begin(), lb.end()); vector<int> lb2(n); for(int i=0; i<n; ++i){ int j = mp[lb[i]]; lb2[j] = i; } return lb2; } int find_next_station(int s, int t, vector<int> c) { int m=0; for(int u : c) if(u>s) m++; int par=-1; if(m == c.size()){ //s apertura, le altre sono tutte chiusure par = 0; for(int u : c) par = max(par, u); if(t <= s) return par; for(int i=0; i<c.size(); ++i) if(c[i] >= t) return c[i]; } else{ // s chiusura, le altre sono tutte aperture par = 400001; for(int u : c) par = min(par, u); if(t >= s) return par; for(int i=c.size()-1; i>=0; --i) if(c[i] <= t) return c[i]; } return par; }

stations.cpp: In function 'void dfs(int, bool)':
stations.cpp:15:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   15 |  if(!b) lb[s] = T; T++;
      |  ^~
stations.cpp:15:20: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   15 |  if(!b) lb[s] = T; T++;
      |                    ^
stations.cpp:17:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   17 |  if(b) lb[s] = T; T++;
      |  ^~
stations.cpp:17:19: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   17 |  if(b) lb[s] = T; T++;
      |                   ^
stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:50:7: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |  if(m == c.size()){ //s apertura, le altre sono tutte chiusure
      |     ~~^~~~~~~~~~~
stations.cpp:54:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |   for(int i=0; i<c.size(); ++i) if(c[i] >= t) return c[i];
      |                ~^~~~~~~~~