Submission #532220

#	Time	Username	Problem	Language	Result	Execution time	Memory
532220		makanhulia	Carnival (CEOI14_carnival)	C++17	100 / 100	20 ms	504 KiB

carnival

#include <bits/stdc++.h>
#define REP(v, i, j) for (int v = i; v < j; v++)
#define FORI(v) for (auto i : v)
#define FORJ(v) for (auto j : v)

#define OUT(v, a)     FORI(v)           cout << i << a;
#define OUTS(v, a, b)          cout << v.size() << a;     OUT(v, b)
#define in(a, n)     REP(i, 0, n)     cin >> a[i];

#define SORT(v) sort(begin(v), end(v))
#define REV(v) reverse(begin(v), end(v))

#define pb push_back
#define fi first
#define se second

#define detachIO                          ios_base::sync_with_stdio(false);     cin.tie(0);                           cout.tie(0);

using namespace std;

typedef pair<int, int> pii;
typedef pair<pii, int> piii;
typedef pair<pii, pii> piiii;

//#define DEBUG

int c[300][300];
int ans[300];

int t[10] = {0, 1, 2, 1, 3, 2};

int query(int x, int y)
{
#ifndef DEBUG
    if (c[x][y] != 0)
        return c[x][y];

    cout << (y - x + 1);

    REP(i, x, y + 1)
    cout << ' ' << i;
    cout << endl;

    int resp;
    cin >> resp;
    c[x][y] = resp;
    return resp;
#else
    set<int> st;

    REP(i, x, y + 1)
    st.insert(t[i]);
    return st.size();
#endif
}

int main()
{
    int n;
    cin >> n;
    ans[1] = 1;
    int alloc = 2;

    REP(i, 2, n + 1)
    {
        int x = -1;

        int L = 1, R = i - 1;

        while (L <= R)
        {
            int mid = (L + R) / 2;
            if (query(mid, i - 1) == query(mid, i))
                x = mid, L = mid + 1;
            else
                R = mid - 1;
        }

        if (x > 0)
            ans[i] = ans[x];
        else
            ans[i] = alloc++;
    }

    cout << 0;

    REP(i, 1, n + 1)
    cout << ' ' << ans[i];
}

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