Submission #614011

#	Time	Username	Problem	Language	Result	Execution time	Memory
614011		Dan4Life	Stations (IOI20_stations)	C++17	Compilation error	0 ms	0 KiB

stations

#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
vector<int> adj[1001], col;
int lab = 0;
void dfs(int s, int p=-1)
{
	col[s]=lab++;
	for(auto u : adj[s]) 
		if(u!=p) dfs(u, s, col);
}
 
vector<int> label(int n, int k, vector<int> a, vector<int> b)
{
    col.resize(n,0); lab = 0; col.clear();
    for(int i = 0; i < n; i++) adj[i].clear();
	for (int i = 0; i < n-1; i++) {
		adj[a[i]].pb(b[i]);
		adj[b[i]].pb(a[i]);
	}
	for(int i = 0; i < n; i++){
    	if(adj[i].size()!=1) continue;
    	dfs(i); return col;
	}
}
 
int find_next_station(int s, int t, vector<int> c)
{
	if(c.size()==1)return c[0];
	for(auto u : c) if(u==t) return u;
	if(s<t) return c[1];
	return c[0];
}

Compilation message (stderr)

stations.cpp: In function 'void dfs(int, int)':
stations.cpp:11:25: error: too many arguments to function 'void dfs(int, int)'
   11 |   if(u!=p) dfs(u, s, col);
      |                         ^
stations.cpp:7:6: note: declared here
    7 | void dfs(int s, int p=-1)
      |      ^~~
stations.cpp: In function 'std::vector<int> label(int, int, std::vector<int>, std::vector<int>)':
stations.cpp:26:1: warning: control reaches end of non-void function [-Wreturn-type]
   26 | }
      | ^