Submission #575010

#	Time	Username	Problem	Language	Result	Execution time	Memory
575010		Dodo	Carnival (CEOI14_carnival)	C++14	20 / 100	82 ms	328 KiB

carnival

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

using namespace std;
ll inf =1e12;
const ll mx=155;

ll arr[mx];
vector<ll>v[155];
ll vis[mx+1];
ll c=0;
ll n;
ll k;

void dfs(ll x)
{
	vis[x]=c;
	for(auto u:v[x])
		if(!vis[u])dfs(u);
}

ll call (ll l,ll r)
{
  k=0;
	for(int i=l;i<=r;i++)if(arr[i]==0)k++;
	if(k==1)return 1;
	if(l==r)return k;

	cout<<k<<' ';
	for(int i=l;i<=r;i++)
		if(arr[i]==0)
			cout<<i<<' ';

	cout<<endl;

	ll x;
	cin>>x;
	return x;
}

int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(0);

	cin>>n;
	ll l=1,r=2;

	while(r<=n)
	{

		ll ans=call(l,r);
		if(ans!=k)
		{
			ll le=l+1,ri=r;

				while(le<ri)
				{
					ll ans=call(le,ri);
					if(ans==k)break;
					le++;
				}

					v[le-1].push_back(r);
					arr[le-1]=1;
		}

		r++;
		while(arr[l]==1)l++;
	}
//--------------
	for(int i=1;i<=n;i++)
	{
		if(vis[i]==0)
		{
			c++;
			dfs(i);
		}
	}
	cout<<0<<' ';
	for(int i=1;i<=n;i++)cout<<vis[i]<<' ';

	return 0;
}

• Subtask 1: 4 / 20
• Subtask 2: 4 / 20
• Subtask 3: 4 / 20
• Subtask 4: 4 / 20
• Subtask 5: 4 / 20