Submission #561313

#	Time	Username	Problem	Language	Result	Execution time	Memory
561313		Quan2003	Crocodile's Underground City (IOI11_crocodile)	C++17	Compilation error	0 ms	0 KiB

crocodile

#include <bits/stdc++.h>
#include <iostream>
#include<queue>
#include<vector>
#include<utility>
using namespace std;
typedef long long ll;
const int sz=1e5+1;
ll p[sz];
ll dp[sz];
ll d1[sz];
ll d0[sz];
vector<array<ll,2>>adj[sz];
int n,m,k;
void dfs(int u,int p){
    for (auto e:adj[u]){
          int v=e[0];
          if (v==p) continue;
          dfs(v,u);
          d1[u]=min(d1[u],d1[v]+e[1]);
    }
    if (adj[u].size()>1){ 
       for (auto e:adj[u]){
          int v=e[0];
          if (v==p) continue;
          dfs(v,u);
          if (dp[v]+e[1]==d1[u]) continue;
          dp[u]=min(dp[u],dp[v]+e[1]);
        }   
    }     
} 
int main(){
     cin>>n>>m>>k;
     for (int i=0;i<n;i++){
         dp[i]=LLONG_MAX;
         d1[i]=LLONG_MAX;
     }
     for (int i=0;i<m;i++){
         int u,v;ll d;
         cin>>u>>v>>d;
         adj[u].push_back({v,d});
         adj[v].push_back({u,d});
     } for (int i=0;i<k;i++){
         cin>>p[i];
         dp[p[i]]=0;
         d1[p[i]]=0;
     } dfs(0,-1);
      cout <<dp[0];
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccDjq7WZ.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccZenquZ.o:crocodile.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccDjq7WZ.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