제출 #1149449

#제출 시각아이디문제언어결과실행 시간메모리
1149449rahidilbayramliCarnival (CEOI14_carnival)C++20
100 / 100
5 ms444 KiB
#include<bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
#define ll long long
#define ld long double
#define vl vector<ll>
#define vi vector<int>
#define pb push_back
#define sz(v) (ll)(v.size())
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.end()
#define f first
#define s second
#define pll pair<ll, ll>
#define pii pair<int, int>
using namespace std;
using namespace __gnu_pbds;
typedef tree<ll, null_type, less<ll>, rb_tree_tag, tree_order_statistics_node_update>ordered_set;
const ll sz = 200;
vl g[sz];
ll vis[sz], col = 0;
void dfs(ll node)
{
    vis[node] = col;
    for(auto u : g[node])
    {
        if(!vis[u])
            dfs(u);
    }
}
int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	ll n, i, j;
    cin >> n;
    vl v;
    v.pb(n);
    for(i = n - 1; i >= 1; i--)
    {
        ll l = 0, r = sz(v) - 1, bst = i, idx = -1;
        while(l <= r)
        {
            ll mid = (l + r) / 2;
            cout << mid + 2 << ' ' << i << ' ';
            for(j = 0; j <= mid; j++)
                cout << v[j] << ' ';
            cout << endl;
            ll res;
            cin >> res;
            if(res == mid + 2)
                l = mid + 1;
            else
            {
                bst = v[mid];
                idx = mid;
                r = mid - 1;
            }
        }
        if(idx == -1)
            v.insert(v.begin(), i);
        else
        {
            g[bst].pb(i);
            g[i].pb(bst);
            v.erase(v.begin()+idx);
            v.insert(v.begin(), i);
        }
    }
    for(i = 1; i <= n; i++)
    {
        if(!vis[i])
        {
            col++;
            dfs(i);
        }
    }
    cout << "0 ";
    for(i = 1; i <= n; i++)
        cout << vis[i] << ' ';
    cout << endl;
	return 0;
}
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