Submission #517082

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
517082	2022-01-22T13:41:38 Z	Ai7081	Stations (IOI20_stations)	C++17	Compilation error	0 ms	0 KB

stations

#include <bits/stdc++.h>
using namespace std;
const int N = 1005;

int cnt, cnt2;
vector<int> ret;
vector<vector<int>> adj;

void dfs(int v, int p) {
    ret[v] = 1000*cnt2 + cnt;
    //cout << v << ' ' << ret[v] << endl;
    cnt2++;
    for (auto to : adj[v]) {
        if (to != p) {
            dfs(to, v);
        }
    }
    return;
}

vector<int> label(int n, int k, vector<int> u, vector<int> v) {
    adj.assign(n, vector<int>());
    for (int i=0; i<(int)u.size(); i++) {
        adj[u[i]].push_back(v[i]);
        adj[v[i]].push_back(u[i]);
    }
    for (int i=0; i<n; i++) {
        if (adj[i].size() > 2) {
            ret.assign(n, 0);
            ret[i] = 0;
            cnt = 1;
            for (auto x : adj[i]) {
                cnt2 = 0;
                dfs(x, i);
                cnt++;
            }
            break;
        }
    }
    return ret;
}

Compilation message

/usr/bin/ld: /tmp/cck9LGYu.o: in function `main':
stub.cpp:(.text.startup+0x4cc): undefined reference to `find_next_station(int, int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status