Submission #978632

#	Time	Username	Problem	Language	Result	Execution time	Memory
978632		Nexus	Game (APIO22_game)	C++17	Compilation error	0 ms	0 KiB

game

#include <bits/stdc++.h>
#define ll long long

using namespace std;

const ll N=1e3+9,M=2e18+9,L=18,mod=1e9+7;

bool balt;
ll vis[N],n,k,x,y;
vector<ll>v[N];

void dfs(ll node)
{
    if(vis[node])
    {
        balt=1;
        return;
    }
    vis[node]=1;
    for(auto i:v[node])dfs(i);
}

void init(ll n,ll k)
{
    --k;
    for(ll i=0;i<k;++i)v[i].push_back(i+1);
}

bool add_teleporter(ll x,ll y)
{
    v[x].push_back(y);
    memset(vis,0,sizeof vis);
    balt=0;
    dfs(0);
    return balt;
}

/*
int main()
{
    ios::sync_with_stdio(0);
    //cin.tie(0);cout.tie(0);


    cin>>n>>k;
    init(n,k);
    while(1)
    {
        cin>>x>>y;
        v[x].push_back(y);
        if(add_teleporter(x,y))
        {
            cout<<1;
            return 0;
        }
        cout<<0;
    }
}
*/

Compilation message (stderr)

/usr/bin/ld: /tmp/ccsvRpuX.o: in function `main':
stub.cpp:(.text.startup+0x64): undefined reference to `init(int, int)'
/usr/bin/ld: stub.cpp:(.text.startup+0xda): undefined reference to `add_teleporter(int, int)'
collect2: error: ld returned 1 exit status