Submission #469122

#	Time	Username	Problem	Language	Result	Execution time	Memory
469122		Urvuk3	Carnival (CEOI14_carnival)	C++17	100 / 100	11 ms	312 KiB

carnival

#include <bits/stdc++.h>

using namespace std;

#define ll long long
const int MAXN=155,MAXA=1e6+5,INF=1e9;
const double EPS=1e-9;
#define fi first
#define se second
#define pll pair<ll,ll>
#define pii pair<int,int>
#define mid (l+r)/2
#define sz(a) int((a).size())
#define all(a) a.begin(),a.end()
#define mod 1000000007LL
#define pb push_back
#define PRINT(x) cerr<<#x<<'-'<<x<<endl<<flush;
#define getunique(v) {sort(all(v)); v.erase(unique(all(v)), v.end());}
#define pb push_back
#define pf push_front
#define ppf pop_front
#define ppb pop_back
#define PRINTvec(x) { cerr<<#x<<"-"; for(int i=0;i<sz(x);i++) cerr<<x[i]<<" "; cerr<<endl; }

ll n,m,k,q,x,y,z,input,l,r;
string s,t;
ifstream in;
vector<int> dif;
vector<int> res;

#ifdef ONLINE_JUDGE
    #define in cin
#endif

void nadji_razlicite(){
    for(int i=1;i<=n;i++){
        cout<<sz(dif)+1<<" "<<i<<" ";
        for(auto v:dif) cout<<v<<" ";
        cout<<endl;
        cin>>input;
        if(input>sz(dif)){
            res[i]=input;
            dif.pb(i);
        }
    }
}

bool check(int pos,int x){
    cout<<pos+2<<" "<<x<<" ";
    for(int i=0;i<=pos;i++) cout<<dif[i]<<" ";
    cout<<endl;
    cin>>input;
    return input<pos+2;
}

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cin>>n;
    res.resize(n+1);
    nadji_razlicite();
    for(int i=1;i<=n;i++){
        if(res[i]) continue;
        l=0; r=sz(dif)-1;
        ll ans=0;
        while(l<=r){
            if(check(mid,i)){
                ans=mid;
                r=mid-1;
            }
            else l=mid+1;
        }
        res[i]=res[dif[ans]];
    }
    cout<<0<<" ";
    for(int i=1;i<=n;i++){
        cout<<res[i]<<" ";
    }
    return 0;
}

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