Submission #161731

#	Time	Username	Problem	Language	Result	Execution time	Memory
161731		dantoh000	사육제 (CEOI14_carnival)	C++14	100 / 100	37 ms	380 KiB

carnival

#include <bits/stdc++.h>
using namespace std;
int n,c;
int ans[155];
int first[155];
int query(int n){
    cout << n << " ";
    for (int i = 1; i <= n; i++) cout << i << " ";
    cout << endl;
    int ans;
    cin >> ans;
    return ans;
}
int query(int s, int e){
    cout << e-s+1 << " ";
    for (int i = s; i <= e; i++) cout << first[i] << " ";
    cout << endl;
    int ans;
    cin >> ans;
    return ans;
}
int query(int x, int s, int e){
    cout << e-s+2 << " ";
    cout << x << " ";
    for (int i = s; i <= e; i++) cout << first[i] << " ";
    cout << endl;
    int ans;
    cin >> ans;
    return ans;
}
int main(){
    cin >> n;
    c = query(n);
    int cur = 1;
    first[1] = 1;
    ans[1] = 1;
    int last = 1;
    for (int i = 2; i <= n; i++){
        int qf = query(i);
        if (qf == last){
            int lo = 1, hi = cur;
            while (lo+1 < hi){
                int mid =  (lo+hi)/2;
                if (query(i,lo,mid) == query(lo,mid)){
                    hi = mid;
                }
                else{
                    lo = mid;
                }
            }
            if (lo + 1 == hi){
                if (query(i,lo,lo) == 1){
                    hi = lo;
                }
                else lo = hi;
            }
            ans[i] = lo;
        }
        else{
            cur++;
            ans[i] = cur;
            first[cur] = i;
        }
        last = qf;
    }
    cout << "0 ";
    for (int i = 1; i <= n; i++) cout << ans[i] << " ";
    cout << endl;
    return 0;


}

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