Submission #1024346

#	Time	Username	Problem	Language	Result	Execution time	Memory
1024346		Ahmed_Solyman	Stations (IOI20_stations)	C++17	Compilation error	0 ms	0 KiB

stations

#include <bits/stdc++.h>
using namespace std;
#include "stations.h"
typedef long long ll;

vector<vector<int>>adj;
vector<int>ret;
int mark=0;
void dfs(int node,int par){
    ret[node]=mark++;;
    for(auto i:adj[node]){
        if(i!=par)dfs(i,node);
    }
}
vector<int> label(int n, int k, vector<int> u, vector<int> v){
    ret.resize(n);
    adj.resize(n);
    for(int i=0;i<n-1;i++){
        adj[u[i]].push_back(v[i]);
        adj[v[i]].push_back(u[i]);
    }
    int root=0;
    for(int i=0;i<n;i++){
        if(adj[i].size()==1)root=i;
    }
    dfs(root);
    return ret;
}
int find_next_station(int s, int t,vector<int> c){
    if((int)c.size()==1)return c[0];
    else if(t>s)return t+1;
    else return t-1;
}

Compilation message (stderr)

stations.cpp: In function 'std::vector<int> label(int, int, std::vector<int>, std::vector<int>)':
stations.cpp:26:13: error: too few arguments to function 'void dfs(int, int)'
   26 |     dfs(root);
      |             ^
stations.cpp:9:6: note: declared here
    9 | void dfs(int node,int par){
      |      ^~~