Submission #600101

#	Time	Username	Problem	Language	Result	Execution time	Memory
600101		MasterTaster	Carnival (CEOI14_carnival)	C++14	100 / 100	18 ms	344 KiB

carnival

#include <iostream>
#include <vector>

#define pb push_back
#define MAXN 155

using namespace std;

int n, prosli[MAXN], ress[MAXN];
vector<int> novi;

bool check(int k, int i)
{
    cout<<k+1<<" ";
    for (int j=0; j<=k; j++) cout<<novi[j]<<" ";
    cout<<endl;
    int cnt1; cin>>cnt1;

    cout<<k+2<<" ";
    for (int j=0; j<=k; j++) cout<<novi[j]<<" ";
    cout<<i<<endl;
    int cnt2; cin>>cnt2;
    return (cnt1==cnt2);
}

int main() {
    cin>>n;

    int cnt=1;
    novi.pb(1);
    for (int i=2; i<=n; i++)
    {
        vector<int> sta;
        for (int j=1; j<=i; j++) sta.pb(j);
        cout<<sta.size()<<" ";
        for (int i=0; i<sta.size(); i++) cout<<sta[i]<<" ";
        cout<<endl;
        int tren; cin>>tren;
        if (tren>cnt)
        {
            prosli[i]=0;
            cnt=tren;
            novi.pb(i);
        }
        else
        {
            int l=0, r=novi.size()-1, gde=-1;
            while (l<=r)
            {
                int mid=l+(r-l)/2;
                if (check(mid, i))
                {
                    r=mid-1;
                    gde=mid;
                }
                else
                    l=mid+1;
            }
            prosli[i]=novi[gde];
        }
    }

    int col=1;
    for (int i=1; i<=n; i++)
    {
        if (prosli[i]==0) { ress[i]=col++; }
        else ress[i]=ress[prosli[i]];
    }

    cout<<0<<" ";
    for (int i=1; i<=n; i++) cout<<ress[i]<<" ";
    cout<<endl;
}

Compilation message (stderr)

carnival.cpp: In function 'int main()':
carnival.cpp:36:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |         for (int i=0; i<sta.size(); i++) cout<<sta[i]<<" ";
      |                       ~^~~~~~~~~~~

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