Submission #1153706

#	Time	Username	Problem	Language	Result	Execution time	Memory
1153706		thelegendary08	Carnival (CEOI14_carnival)	C++17	100 / 100	3 ms	2000 KiB

carnival

#include<bits/stdc++.h>
#define pb push_back
#define mp make_pair
#define int long long
#define vi vector<int>
#define vvi vector<vector<int>>
#define pii pair<int, int>
#define vpii vector<pair<int, int>>
#define vc vector<char>
#define vb vector<bool>
#define mii map<int,int>
#define f0r(i,n) for(int i=0;i<n;i++)
#define FOR(i,k,n) for(int i=k;i<n;i++)
#define all(v) (v).begin(),(v).end()
#define rall(v) (v).rbegin(),(v).rend()
#define in(a) int a; cin>>a
#define in2(a,b) int a,b; cin>>a>>b
#define in3(a,b,c) int a,b,c; cin>>a>>b>>c
#define in4(a,b,c,d) int a,b,c,d; cin>>a>>b>>c>>d
#define vin(v,n); vi v(n); f0r(i,n){cin>>v[i];}
#define out(a) cout<<a<<'\n'
#define out2(a,b) cout<<a<<' '<<b<<'\n'
#define out3(a,b,c) cout<<a<<' '<<b<<' '<<c<<'\n'
#define out4(a,b,c,d) cout<<a<<' '<<b<<' '<<c<<' '<<d<<'\n'
#define vout(v) for(auto u : v){cout<<u<<' ';} cout<<'\n'
#define dout(a) cout<<a<<' '<<#a<<'\n'
#define dout2(a,b) cout<<a<<' '<<#a<<' '<<b<<' '<<#b<<'\n'
#define yn(x); if(x){cout<<"YES"<<'\n';}else{cout<<"NO"<<'\n';}
const int leg = 1e9 + 7;
const int mod = 998244353;
using namespace std;
const int mxn = 2e5 + 5;
vi rep(mxn);
int ask(vi v){
    cout<<v.size()<<' ';
    for(auto u : v)cout<<u+1<<' ';
    cout<<endl;
    int x;
    cin>>x;
    return x;
}
int cnt = 0;
int solve(int l, int r, int y){
   // cout<<"solving "<<l<<' '<<r<<' '<<y<<'\n';
    if(l == r){
        return l;
    }
    else{
        int mid = (l + r) / 2;
        vi cur;
        for(int i = l; i<=mid; i++){
            cur.pb(rep[i]);
        }
        cur.pb(y);
        int x = ask(cur);
        if(x == cur.size() - 1){
            return solve(l, mid, y);
        }
        else{
            return solve(mid + 1, r, y);
        }

    }
}
signed main(){
	ios::sync_with_stdio(false);
	cin.tie(NULL);
	in(n);
	vi ans(n,-1);
	ans[0] = 0;
	cnt++;
	rep[0] = 0;
	FOR(i, 1, n){
        vi cur;
        f0r(j, cnt){
            cur.pb(rep[j]);
        }
        cur.pb(i);
        int x = ask(cur);
        if(x == cur.size()){
            ans[i] = cnt;
            rep[cnt] = i;
            //cout<<"REP"<<' '<<cnt<<' '<<i<<'\n';
            cnt++;
        }
        else{
            int col = solve(0, cnt-1, i);
            ans[i] = col;
        }
	}
	//f0r(i,3)cout<<rep[i]<<' ';
	//cout<<'\n';
	cout<<0<<' ';
	f0r(i,n){
        cout<<ans[i] + 1<<' ';
	}
	cout<<endl;
}

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