Submission #1136996

#	Time	Username	Problem	Language	Result	Execution time	Memory
1136996		Ciprian	Crocodile's Underground City (IOI11_crocodile)	C++20	Compilation error	0 ms	0 KiB

crocodile

#include <bits/stdc++.h>
using namespace std;
#define int long long 
const int N=1003;

vector<int>adj[N], fin(N);
void dfs(int x, int p, vector<vector<int>>const t){
    if(adj[x].size()==1){
        return;
    }
    for(auto e: adj[x]){
        if(e==p)continue;
        dfs(e,x, t);
    }int mn1=1e9, mn2=1e9;
    for(auto e: adj[x]){
        if(e==p)continue;
        mn1=min(mn1, fin[e]+t[x][e]);
    }for(auto e: adj[x]){
        if(e==p)continue;
        if(fin[e]+t[x][e]!=mn1){
            mn2=min(mn2, fin[e]+t[x][e]);
        }
    }fin[x]=mn2;
}
int32_t main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n,m,k;
    cin>>n>>m>>k;
    vector<vector<int>> tm(N, vector<int>(N));
    for(int i=0; i<m; i++){
        int x,y,z;
        cin>>x>>y>>z;
        adj[x].push_back(y);
        adj[y].push_back(x);
        tm[x][y]=z;
        tm[y][x]=z;
    }vector<bool>p(N);
    for(int i=0; i<k; i++){
        int x;
        cin>>x;
        p[x]=true;
    }dfs(0,0, tm);
    cout<<fin[0]<<endl;

    return 0;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccYMI2Nt.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cc9cllRN.o:crocodile.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccYMI2Nt.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