Submission #554183

#	Time	Username	Problem	Language	Result	Execution time	Memory
554183		d4xn	Crocodile's Underground City (IOI11_crocodile)	C++17	Compilation error	0 ms	0 KiB

crocodile

#pragma GCC optimize ("Ofast")
//#pragma GCC target ("avx2")
#include <bits/stdc++.h>
using namespace std;

//#define int long long
#define ll long long
#define ld long double
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define ii pair<int, int>
#define ff first
#define ss second
#define mp make_pair
#define UB upper_bound
#define LB lower_bound
#define pb push_back
#define vi vector<int>
#define vvi vector<vi>
#define vb vector<bool>
#define vvb vector<vb>
#define vs vector<string>
#define vii vector<ii>
#define vvii vector<vii>
#define vll vector<ll>
#define vld vector<ld>

const int inf = 2e9;

int n, m, k;
vvii adj;
vb vis;
vi dp; // minimo tiempo para escapar des de el nodo i

int mnToExit(int u) {
  if (dp[u] != -1) return dp[u];

  vis[u] = 1;
  
  int mn, sMn;
  mn = sMn = inf;
  for (auto &[v, w] : adj[u]) {
    if (vis[v]) continue;
    int x = mnToExit(v) + w;
    if (x < mn) {
      sMn = mn;
      mn = x;
    }
    else if (x < sMn) {
      sMn = x;
    }
  }

  vis[u] = 0;

  return dp[u] = sMn;
}

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    cin >> n >> m >> k;

    adj.resize(n);
    vis.resize(n, 0);
    dp.resize(n, -1);

    while (m--) {
      int x, y, z;
      cin >> x >> y >> z;
      adj[x].pb(mp(y, z));
      adj[y].pb(mp(x, z)); 
    }

    while (k--) {
      int x;
      cin >> x;
      dp[x] = 0;
    }

    cout << mnToExit(0) << "\n";

    return 0;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccd0YiHW.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccjbvRiX.o:crocodile.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccd0YiHW.o: in function `main':
grader.cpp:(.text.startup+0x36): undefined reference to `travel_plan(int, int, int (*) [2], int*, int, int*)'
collect2: error: ld returned 1 exit status