Submission #1049654

#	Time	Username	Problem	Language	Result	Execution time	Memory
1049654		nisanduu	Keys (IOI21_keys)	C++17	Compilation error	0 ms	0 KiB

keys

#include <vector>
#include <bits/stdc++.h>

using namespace std;
typedef int ll;
ll dfs(ll node,vector<ll> vis,vector<vector<ll>> adj){
    if(vis[node]) return 0;
    vis[node]=1;
    int am = 1;
    for(auto el:adj[node]){
        if(!vis[el]){
            //vis[el]=1;
            am += dfs(el,vis,adj);
        }
    }
    return am;
}

vector<int> find_reachable(vector<int> r, vector<int> u, vector<int> v, vector<int> c) {
	vector<int> ans(r.size(), 0);
	int n = r.size();
	int m = v.size();
	vector<vector<ll>> adj(n+2);
	for(ll i=0;i<m;i++){
	    adj[v[i]].push_back(u[i]);
	    adj[u[i]].push_back(v[i]);
	}
	int mini = 1e9;
	int type = c[0];
	for(int i=0;i<n;i++){
	    if(r[i]==type) {
	        vector<ll> vis(n+2);
	        ans[i] = dfs(i,vis,adj);
	    }else{
	        ans[i] = 1;
	    }
	    mini = min(mini,ans[i]);
	}
    for(int i=0;i<n;i++) ans[i] = ans[i]==mini ? 1 : 0;
	return ans;
}

int main(){
    vector<int> arr =  find_reachable({0, 0, 0}, {0}, {1}, {0});
    for(auto z:arr) cout<<z<<" ";
    return 1;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccGY9I0Z.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccLsvwP2.o:keys.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status