Submission #538887

#	Time	Username	Problem	Language	Result	Execution time	Memory
538887		joshualiu555	Carnival (CEOI14_carnival)	C++17	100 / 100	21 ms	320 KiB

carnival

/*
  _____                                     _        _
 / ____|                                   | |      | |
| |  __ _ __ __ _ ___ ___ _   _ _ __   ___ | |_ __ _| |_ ___
| | |_ | '__/ _` / __/ __| | | | '_ \ / _ \| __/ _` | __/ _ \
| |__| | | | (_| \__ \__ \ |_| | |_) | (_) | || (_| | || (_) |
 \_____|_|  \__,_|___/___/\__, | .__/ \___/ \__\__,_|\__\___/
                           __/ | |
                          |___/|_|
*/

#pragma gcc target ("avx2")
#pragma gcc optimization ("O3")
#pragma gcc optimization ("unroll-loops")

#include <bits/stdc++.h>

using namespace std;

#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
template<class T> using segset = tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update>;

#define FOR(i, x, n) for (int i = x; i <= n; i++)
#define F0R(i, x, n) for (int i = x; i >= n; i--)
#define TRAV(it, x) for (auto it = x.begin(); it != x.end(); it++)
#define rall(x) x.rbegin(), x.rend()
#define all(x) x.begin(), x.end()
//#define f first
//#define s second
#define sz size
#define pob pop_back
#define pf push_front
#define pb push_back
#define ins insert
#define mp make_pair
#define rz resize
#define asg assign
#define rev reverse
#define lb lower_bound
#define ub upper_bound
// fill for 1
// 0x3f3f3f3f for 1e9
#define mem(a, x) memset(a, x, sizeof(a))
#define HEX 0x3f3f3f3f

using ll = long long;
const int INF = 2e5 + 5;
const int MOD = 1e9 + 7;
// DLRU
const int dx[4] = {1, 0, 0, -1};
const int dy[4] = {0, -1, 1, 0};

int n, ans[151];

int query(vector<int> v) {
    cout << v.sz();
    for (auto x : v) cout << ' ' << x;
    cout << endl;
    int cnt;
    cin >> cnt;
    return cnt;
}

vector<int> make(int l, int r, int add) {
    vector<int> v;
    FOR(i, l, r) {
        v.pb(i);
    }
    if (add != -1) {
        v.pb(add);
    }
    return v;
}

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

    cin >> n;

    int id = 1;
    ans[1] = 1;
    FOR(i, 2, n) {
        if (query(make(1, i, -1)) == id) {
            int same = -1;
            int l = 1, r = i - 1;
            while (l <= r) {
                int m = (l + r) / 2;
                if (query(make(l, m, -1)) == query(make(l, m, i))) {
                    same = m;
                    r = m - 1;
                } else {
                    l = m + 1;
                }
            }
            ans[i] = ans[same];
        } else {
            id++;
            ans[i] = id;
        }
    }

    cout << 0;
    FOR(i, 1, n) cout << ' ' << ans[i];
    cout << endl;

    return 0;
}

/*
 *
*/

//

Compilation message (stderr)

carnival.cpp:12: warning: ignoring '#pragma gcc target' [-Wunknown-pragmas]
   12 | #pragma gcc target ("avx2")
      | 
carnival.cpp:13: warning: ignoring '#pragma gcc optimization' [-Wunknown-pragmas]
   13 | #pragma gcc optimization ("O3")
      | 
carnival.cpp:14: warning: ignoring '#pragma gcc optimization' [-Wunknown-pragmas]
   14 | #pragma gcc optimization ("unroll-loops")
      |

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