Submission #1330026

#	Time	Username	Problem	Language	Result	Execution time	Memory
1330026		Nipphitch	Crocodile's Underground City (IOI11_crocodile)	C++20	Compilation error	0 ms	0 KiB

crocodile

#include "crocodile.h"
#include <bits/stdc++.h>
#define int long long 
#define pii pair <int,int> 
using namespace std;
const int INF=1e9+7;

int travel_plan(int N, int M, int R[][2], int L[], int K, int P[])
{
  vector <int> d(N+5,INF);
  vector <vector <pii>> adj(N+5);
  vector <int> en(N+5,false);
  priority_queue <pii,vector <pii>,greater <pii>> pq;
  for(int i=0;i<M;i++){
    adj[R[i][0]].push_back({R[i][1],L[i]});
    adj[R[i][1]].push_back({R[i][0],L[i]});
  }
  for(int i=0;i<K;i++) en[P[i]]=true;
  pq.push({d[0]=0,0});
  while(!pq.empty()){
    auto [d_u,u]=pq.top();
    pq.pop();
    if(en[u]){
      return d_u;
    }
    if(d_u>d[u]) continue;
    int idx=-1,mn=INF;
    for(auto [v,w]:adj[u]) if(d_u+w<d[v] && en[v] && d_u+w<mn) mn=d_u+w,idx=v;
    if(idx==-1) for(auto [v,w]:adj[u]) if(d_u+w<d[v] && d_u+w<mn) mn=d_u+w,idx=v;
    for(auto [v,w]:adj[u]){
      if(v!=idx && d_u+w<d[v]){
        pq.push({d[v]=d_u+w,v});
      }
    }
  }
  return -1;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cchfNrHz.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