Submission #1024333

#	Time	Username	Problem	Language	Result	Execution time	Memory
1024333		Ahmed_Solyman	Stations (IOI20_stations)	C++14	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;
int mark=0;
vector<int>in;
vector<int> label(int n, int k, vector<int> u, vector<int> v){
    mark=0;
    adj.resize(n);
    in.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 mark=0;
    auto dfs=[&](auto &self,int i,int par){
        in[i]=mark++;
        for(auto x:adj[i]){
            if(x!=par)dfs(dfs,x,i);
        }
        return void();
    };
    for(int i=0;i<n;i++){
        if(adj[i].size()==1){
            dfs(dfs,i,i);break;
        }
    }
    return in;
}
int find_next_station(int s, int t,vector<int> c){
    int p=0;
    for(auto i:c){
        if(i<=s){
            p=i;continue;
        }
        if(i<=t){
            return i;
        }
    }
    return p;
}

Compilation message (stderr)

stations.cpp: In lambda function:
stations.cpp:21:23: error: use of 'dfs' before deduction of 'auto'
   21 |             if(x!=par)dfs(dfs,x,i);
      |                       ^~~
stations.cpp:21:27: error: use of 'dfs' before deduction of 'auto'
   21 |             if(x!=par)dfs(dfs,x,i);
      |                           ^~~