Submission #954052

#	Time	Username	Problem	Language	Result	Execution time	Memory
954052		irmuun	Carnival (CEOI14_carnival)	C++17	100 / 100	4 ms	704 KiB

carnival

#include<bits/stdc++.h>

using namespace std;

#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()

int main(){
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    ll n;
    cin>>n;
    //find all different
    ll bef=0;
    vector<ll>v,col(n+5,0);
    ll cur=0;
    vector<bool>used(n+5,0);
    for(ll i=1;i<=n;i++){
        cout<<v.size()+1<<' ';
        for(auto j:v){
            cout<<j<<' ';
        }
        cout<<i<<endl;
        ll x;
        cin>>x;
        if(x==v.size()+1){
            col[i]=++cur;
            v.pb(i);
            used[i]=true;
        }
    }
    for(ll i=1;i<=n;i++){
        if(used[i]) continue;
        ll l=0,r=v.size()-1;
        while(l<r){
            ll mid=(l+r)/2;
            cout<<mid+2<<' ';
            for(ll j=0;j<=mid;j++){
                cout<<v[j]<<' ';
            }
            cout<<i<<endl;
            ll x;
            cin>>x;
            if(x==mid+2){
                l=mid+1;
            }
            else{
                r=mid;
            }
        }
        col[i]=l+1;
    }
    cout<<"0 ";
    for(ll i=1;i<=n;i++){
        cout<<col[i]<<' ';
    }
    cout<<endl;
}

Compilation message (stderr)

carnival.cpp: In function 'int main()':
carnival.cpp:29:13: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |         if(x==v.size()+1){
      |            ~^~~~~~~~~~~~
carnival.cpp:17:8: warning: unused variable 'bef' [-Wunused-variable]
   17 |     ll bef=0;
      |        ^~~

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