Submission #337013

#	Time	Username	Problem	Language	Result	Execution time	Memory
337013		r_v_n	Crocodile's Underground City (IOI11_crocodile)	C++17	Compilation error	0 ms	0 KiB

crocodile

using namespace std;
#include <bits/stdc++.h>
#define ll long long
int dp[100001];
int n;
int m, k;
vector<pair<int, int>> adj[100001];
map<int, int> is;
void dfs(int v, int p = -1)
{
    if (adj[v].size() == 1)
    {
        if (is[v])
            dp[v] = 0;
        else
            dp[v] = 1e9;
        return;
    }
    vector<int> store;
    for (auto it : adj[v])
    {
        if (it.first == p)
            continue;
        dfs(it.first, v);
        store.push_back(dp[it.first] + it.second);
    }
    sort(store.begin(), store.end());
    dp[v] = store[1];
}
void solve()
{
    cin >> n >> m >> k;
    for (int i = 0; i <= n; i++)
    {
        adj[i].clear();
        dp[i] = 0;
    }
    is.clear();
    for (int i = 0; i < m; i++)
    {
        int a, b, c;
        cin >> a >> b >> c;
        adj[a].push_back({b, c});
        adj[b].push_back({a, c});
    }
    for (int i = 0; i < k; i++)
    {
        int a;
        cin >> a;
        is[a] = 1;
    }
    dfs(0);
    cout << dp[0] << endl;
}
int main()
{
// #ifndef ONLINE_JUDGE
//     freopen("input.txt", "r", stdin);
//     freopen("output.txt", "w", stdout);
// #endif
    int t = 1;
    //cin >> t;
    while (t--)
        solve();
    return 0;
}

Compilation message (stderr)

/tmp/ccNIBNQv.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/cczXrQK8.o:crocodile.cpp:(.text.startup+0x0): first defined here
/tmp/ccNIBNQv.o: In function `main':
grader.cpp:(.text.startup+0x32): undefined reference to `travel_plan(int, int, int (*) [2], int*, int, int*)'
collect2: error: ld returned 1 exit status