Submission #1042660

#	Time	Username	Problem	Language	Result	Execution time	Memory
1042660		Rafiullah	Carnival (CEOI14_carnival)	C++17	0 / 100	6 ms	596 KiB

carnival

#include<bits/stdc++.h>
using namespace std;
const int N = (1<<19);
const long long mod = 1e9+7;
const long long mod1 = 998244353;
int query(int n,int k=-1){
    int col;
    if(k == -1){
        cout<<n<<endl;
        for(int i = 1;i<=n ;i ++){
            cout<<i<<" ";
        }
        cout<<endl;
        cin >> col;
    }
    else{
        cout<<n+1<<endl;
        for(int i = 1;i<= n; i++){
            cout<<i<<" ";
        }
        cout<<k<<endl;
        cin >> col;
    }
    return col;
}
void solve(){
    int n;cin >> n;
    vector<int> c(n+1);
    c[1] = 1;
    vector<int> q(n+1);
    q[1] = 1;
    int t = 2;
    for(int i = 2;i<=n ;i ++){
        q[i] = query(i);
        int low = 1;
        int high = i-1;
        while(low<=high){
            int mid = (low+high)/2;
            int o = query(mid,i);
            if(o == q[mid])high = mid-1;
            else low = mid+1;
        }
        if(low<i){
            c[i] = c[low];
        }
        else{
            c[i] = t;
            t++;
        }
    }
    for(int i = 1;i<= n ;i++){
        cout<<c[i]<<" ";
    }
    cout<<endl;
}
signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);cout.tie(NULL);
    long long t=1;
    // cin >> t;
    cout<<setprecision(16);
    while(t--){
        solve();
    }
}

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