Submission #1064773

#	Time	Username	Problem	Language	Result	Execution time	Memory
1064773		vjudge1	Carnival (CEOI14_carnival)	C++17	0 / 100	1 ms	344 KiB

carnival

#include <bits/stdc++.h>
/// author: LilPluton auuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu
using namespace std;
#define ll long long
#define ld long double
#define ar array
#define int ll
#define vt vector
#define pb push_back
#define all(c) (c).begin(), (c).end()
#define sz(x) (int)(x).size()
#define endll   '\n'
#define lb(a, x)    lower_bound(all(a), x) - a.begin();

#define F_OR(i, a, b, s) for (int i=(a); (s)>0?i<(b):i>(b); i+=(s))
#define F_OR1(e) F_OR(i, 0, e, 1)
#define F_OR2(i, e) F_OR(i, 0, e, 1)
#define F_OR3(i, b, e) F_OR(i, b, e, 1)
#define F_OR4(i, b, e, s) F_OR(i, b, e, s)
#define GET5(a, b, c, d, e, ...) e
#define F_ORC(...) GET5(__VA_ARGS__, F_OR4, F_OR3, F_OR2, F_OR1)
#define FOR(...) F_ORC(__VA_ARGS__)(__VA_ARGS__)
#define EACH(x, a) for (auto& x: a)
     
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const int d4i[4]={-1, 0, 1, 0}, d4j[4]={0, 1, 0, -1};
const int d8i[8]={-1, -1, 0, 1, 1, 1, 0, -1}, d8j[8]={0, 1, 1, 1, 0, -1, -1, -1};
struct BIT
{
    long long n;
    vector<long long> ft;
    BIT(long long N)
    {
        n = N;
        ft.assign(n + 5, 0);
    }
    void upd(long long pos, long long val)
    {
        while(pos <= n)
        {
            ft[pos] += val;
            pos += (pos & (-pos));
        }
        
    }
    long long sum(long long l, long long r)
    {
        if(l != 1)  return sum(1, r) - sum(1, l - 1);
        long long res = 0;
        while(r >= 1)
        {
            res +=  ft[r];
            r += (r | (-r));
        }
        return res;
    }
};
struct DSU
{
    vector<int>par, size;
    int n;
    DSU(int N)
    {
        n = N + 5;
        par.resize(n + 1, 0);
        size.assign(n + 1, 1);
        for(int i = 0; i <= n; ++i)
            par[i] = i;
    }
    int _find(int v)
    {
        if(par[v] == v)
            return v;
        return par[v] = _find(par[v]);
    }
    bool unite(int a, int b)
    {
        a = _find(a);
        b = _find(b);
        if(a != b)
        {
            if(size[a] < size[b])
                swap(a, b);
            size[a] += size[b];
            par[b] = a;
            return 1;
        }
        return 0;
    }
};
const long long inf = 1e18;
const int N = 2e5 + 5;
const int MAXM = 2e6 + 5;
const int md = 1000000007;
const int L = 25;

int c[160], pf[160];

void solve(int test_case) {
    int n;
    cin >> n;
    c[1] = 1;
    pf[1] = 1;
    int k = 2;
    for(int i = 2; i <= n; ++i){
        cout << i << ' ';
        for(int j = 1; j <= i; ++j)
            cout << j << ' ';
        cout << endl;
        int x;
        cin >> x;
        pf[i] = x;
        int l = 1, r = i - 1, best = -1;
        while(l <= r)
        {
            int mi = (l + r) >> 1;
            cout << mi + 1 << ' ';
            for(int j = 1; j <= mi; ++j)
                cout << c[j] << ' ';
            cout << i << ' ';
            cout << endl;
            cin >> x;
            if(pf[mi] == x){
                r = mi - 1;
                best = mi;
            }
            else{    
                l = mi + 1;
            }
        }
        if(best == -1){
            c[i] = k++;
        } 
        else{
            c[i] = c[best];
        }  
    }
    cout << 0 << ' ';
    for(int i = 1; i <= n; ++i)
        cout << c[i] << ' ';
    cout << endl;

}





main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    int t = 1;
    for(int i = 1; i <= t; ++i)
        solve(i);
    return 0;
}

Compilation message (stderr)

carnival.cpp:149:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  149 | main() {
      | ^~~~

• Subtask 1: 0 / 20
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20