Submission #1216242

#	Time	Username	Problem	Language	Result	Execution time	Memory
1216242		escobrand	Crocodile's Underground City (IOI11_crocodile)	C++20	Compilation error	0 ms	0 KiB

crocodile

#include <bits/stdc++.h>

using namespace std;
#define all(v) v.begin(),v.end()
#define eb push_back
#define ll long long 
#define fi first
#define se second
int t,n,i,m,M,u,v;
const int maxn = 1e5 + 10;
const ll inf = 1e15;
typedef pair<ll,ll> pii;
vector<pii> adj[maxn];
bool e[maxn],c[maxn];
ll d[maxn][2],tmp,w;
priority_queue<ll> dp[maxn];

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    
    cin>>n>>m>>M;
    while(m--)
    {
      cin>>u>>v>>w;
      adj[u].eb({v,w});
      adj[v].eb({u,w});
    }
    
    for(i = 0;i<n;i++)d[i][0] = d[i][1] = inf;
    priority_queue<pii,vector<pii>,greater<>>q;
    while(M--)
    {
      cin>>i;
      e[i] = 1;
      d[i][0] = d[i][1] = 0;
      q.push({0,i});
    }
    
    while(q.size())
    {
      i = q.top().se;
      w = q.top().fi;
      q.pop();
      if(c[i])continue;
      c[i] = 1;
      for(auto k : adj[i])
      {
        ll tmp = w + k.se;
        if(d[k.fi][1] > tmp)
        {
          d[k.fi][1] = tmp;
          if(d[k.fi][0] > d[k.fi][1])swap(d[k.fi][0] , d[k.fi][1]);
          q.push({d[k.fi][1],k.fi});
        }
      }
    }
    
    cout<<d[0][1];
    
    return 0;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccdfLpfU.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cct2yhWT.o:crocodile.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccdfLpfU.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